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      1 /*
      2  * Copyright (C) 2009 Google Inc.
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  * http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.i18n.phonenumbers;
     18 
     19 import com.android.i18n.phonenumbers.PhoneNumberUtil.PhoneNumberFormat;
     20 import com.android.i18n.phonenumbers.Phonemetadata.NumberFormat;
     21 import com.android.i18n.phonenumbers.Phonemetadata.PhoneMetadata;
     22 import com.android.i18n.phonenumbers.Phonemetadata.PhoneNumberDesc;
     23 import com.android.i18n.phonenumbers.Phonenumber.PhoneNumber;
     24 import com.android.i18n.phonenumbers.Phonenumber.PhoneNumber.CountryCodeSource;
     25 
     26 import junit.framework.TestCase;
     27 
     28 import java.util.ArrayList;
     29 import java.util.List;
     30 
     31 /**
     32  * Unit tests for PhoneNumberUtil.java
     33  *
     34  * Note that these tests use the metadata contained in the files with TEST_META_DATA_FILE_PREFIX,
     35  * not the normal metadata files, so should not be used for regression test purposes - these tests
     36  * are illustrative only and test functionality.
     37  *
     38  * @author Shaopeng Jia
     39  * @author Lara Rennie
     40  */
     41 public class PhoneNumberUtilTest extends TestCase {
     42   private PhoneNumberUtil phoneUtil;
     43   // This is used by BuildMetadataProtoFromXml.
     44   static final String TEST_META_DATA_FILE_PREFIX =
     45       "/com/android/i18n/phonenumbers/data/PhoneNumberMetadataProtoForTesting";
     46 
     47   // Set up some test numbers to re-use.
     48   private static final PhoneNumber ALPHA_NUMERIC_NUMBER =
     49       new PhoneNumber().setCountryCode(1).setNationalNumber(80074935247L);
     50   private static final PhoneNumber AR_MOBILE =
     51       new PhoneNumber().setCountryCode(54).setNationalNumber(91187654321L);
     52   private static final PhoneNumber AR_NUMBER =
     53       new PhoneNumber().setCountryCode(54).setNationalNumber(1187654321);
     54   private static final PhoneNumber AU_NUMBER =
     55       new PhoneNumber().setCountryCode(61).setNationalNumber(236618300L);
     56   private static final PhoneNumber BS_MOBILE =
     57       new PhoneNumber().setCountryCode(1).setNationalNumber(2423570000L);
     58   private static final PhoneNumber BS_NUMBER =
     59       new PhoneNumber().setCountryCode(1).setNationalNumber(2423651234L);
     60   // Note that this is the same as the example number for DE in the metadata.
     61   private static final PhoneNumber DE_NUMBER =
     62       new PhoneNumber().setCountryCode(49).setNationalNumber(30123456L);
     63   private static final PhoneNumber DE_SHORT_NUMBER =
     64       new PhoneNumber().setCountryCode(49).setNationalNumber(1234L);
     65   private static final PhoneNumber GB_MOBILE =
     66       new PhoneNumber().setCountryCode(44).setNationalNumber(7912345678L);
     67   private static final PhoneNumber GB_NUMBER =
     68       new PhoneNumber().setCountryCode(44).setNationalNumber(2070313000L);
     69   private static final PhoneNumber IT_MOBILE =
     70       new PhoneNumber().setCountryCode(39).setNationalNumber(345678901L);
     71   private static final PhoneNumber IT_NUMBER =
     72       new PhoneNumber().setCountryCode(39).setNationalNumber(236618300L).
     73       setItalianLeadingZero(true);
     74   // Numbers to test the formatting rules from Mexico.
     75   private static final PhoneNumber MX_MOBILE1 =
     76       new PhoneNumber().setCountryCode(52).setNationalNumber(12345678900L);
     77   private static final PhoneNumber MX_MOBILE2 =
     78       new PhoneNumber().setCountryCode(52).setNationalNumber(15512345678L);
     79   private static final PhoneNumber MX_NUMBER1 =
     80       new PhoneNumber().setCountryCode(52).setNationalNumber(3312345678L);
     81   private static final PhoneNumber MX_NUMBER2 =
     82       new PhoneNumber().setCountryCode(52).setNationalNumber(8211234567L);
     83   private static final PhoneNumber NZ_NUMBER =
     84       new PhoneNumber().setCountryCode(64).setNationalNumber(33316005L);
     85   private static final PhoneNumber SG_NUMBER =
     86       new PhoneNumber().setCountryCode(65).setNationalNumber(65218000L);
     87   // A too-long and hence invalid US number.
     88   private static final PhoneNumber US_LONG_NUMBER =
     89       new PhoneNumber().setCountryCode(1).setNationalNumber(65025300001L);
     90   private static final PhoneNumber US_NUMBER =
     91       new PhoneNumber().setCountryCode(1).setNationalNumber(6502530000L);
     92   private static final PhoneNumber US_PREMIUM =
     93       new PhoneNumber().setCountryCode(1).setNationalNumber(9002530000L);
     94   // Too short, but still possible US numbers.
     95   private static final PhoneNumber US_LOCAL_NUMBER =
     96       new PhoneNumber().setCountryCode(1).setNationalNumber(2530000L);
     97   private static final PhoneNumber US_SHORT_BY_ONE_NUMBER =
     98       new PhoneNumber().setCountryCode(1).setNationalNumber(650253000L);
     99   private static final PhoneNumber US_TOLLFREE =
    100       new PhoneNumber().setCountryCode(1).setNationalNumber(8002530000L);
    101   private static final PhoneNumber US_SPOOF =
    102       new PhoneNumber().setCountryCode(1).setNationalNumber(0L);
    103   private static final PhoneNumber US_SPOOF_WITH_RAW_INPUT =
    104       new PhoneNumber().setCountryCode(1).setNationalNumber(0L)
    105           .setRawInput("000-000-0000");
    106 
    107   // Class containing string constants of region codes for easier testing.
    108   private static class RegionCode {
    109     static final String AD = "AD";
    110     static final String AO = "AO";
    111     static final String AR = "AR";
    112     static final String AU = "AU";
    113     static final String BS = "BS";
    114     static final String CS = "CS";
    115     static final String DE = "DE";
    116     static final String GB = "GB";
    117     static final String IT = "IT";
    118     static final String KR = "KR";
    119     static final String MX = "MX";
    120     static final String NZ = "NZ";
    121     static final String PL = "PL";
    122     static final String RE = "RE";
    123     static final String SG = "SG";
    124     static final String US = "US";
    125     static final String YT = "YT";
    126     // Official code for the unknown region.
    127     static final String ZZ = "ZZ";
    128   }
    129 
    130   public PhoneNumberUtilTest() {
    131     phoneUtil = initializePhoneUtilForTesting();
    132   }
    133 
    134   static PhoneNumberUtil initializePhoneUtilForTesting() {
    135     PhoneNumberUtil.resetInstance();
    136     return PhoneNumberUtil.getInstance(
    137         TEST_META_DATA_FILE_PREFIX,
    138         CountryCodeToRegionCodeMapForTesting.getCountryCodeToRegionCodeMap());
    139   }
    140 
    141   public void testGetSupportedRegions() {
    142     assertTrue(phoneUtil.getSupportedRegions().size() > 0);
    143   }
    144 
    145   public void testGetInstanceLoadUSMetadata() {
    146     PhoneMetadata metadata = phoneUtil.getMetadataForRegion(RegionCode.US);
    147     assertEquals("US", metadata.getId());
    148     assertEquals(1, metadata.getCountryCode());
    149     assertEquals("011", metadata.getInternationalPrefix());
    150     assertTrue(metadata.hasNationalPrefix());
    151     assertEquals(2, metadata.numberFormatSize());
    152     assertEquals("(\\d{3})(\\d{3})(\\d{4})",
    153                  metadata.getNumberFormat(1).getPattern());
    154     assertEquals("$1 $2 $3", metadata.getNumberFormat(1).getFormat());
    155     assertEquals("[13-689]\\d{9}|2[0-35-9]\\d{8}",
    156                  metadata.getGeneralDesc().getNationalNumberPattern());
    157     assertEquals("\\d{7}(?:\\d{3})?", metadata.getGeneralDesc().getPossibleNumberPattern());
    158     assertTrue(metadata.getGeneralDesc().exactlySameAs(metadata.getFixedLine()));
    159     assertEquals("\\d{10}", metadata.getTollFree().getPossibleNumberPattern());
    160     assertEquals("900\\d{7}", metadata.getPremiumRate().getNationalNumberPattern());
    161     // No shared-cost data is available, so it should be initialised to "NA".
    162     assertEquals("NA", metadata.getSharedCost().getNationalNumberPattern());
    163     assertEquals("NA", metadata.getSharedCost().getPossibleNumberPattern());
    164   }
    165 
    166   public void testGetInstanceLoadDEMetadata() {
    167     PhoneMetadata metadata = phoneUtil.getMetadataForRegion(RegionCode.DE);
    168     assertEquals("DE", metadata.getId());
    169     assertEquals(49, metadata.getCountryCode());
    170     assertEquals("00", metadata.getInternationalPrefix());
    171     assertEquals("0", metadata.getNationalPrefix());
    172     assertEquals(6, metadata.numberFormatSize());
    173     assertEquals(1, metadata.getNumberFormat(5).leadingDigitsPatternSize());
    174     assertEquals("900", metadata.getNumberFormat(5).getLeadingDigitsPattern(0));
    175     assertEquals("(\\d{3})(\\d{3,4})(\\d{4})",
    176                  metadata.getNumberFormat(5).getPattern());
    177     assertEquals("$1 $2 $3", metadata.getNumberFormat(5).getFormat());
    178     assertEquals("(?:[24-6]\\d{2}|3[03-9]\\d|[789](?:[1-9]\\d|0[2-9]))\\d{1,8}",
    179                  metadata.getFixedLine().getNationalNumberPattern());
    180     assertEquals("\\d{2,14}", metadata.getFixedLine().getPossibleNumberPattern());
    181     assertEquals("30123456", metadata.getFixedLine().getExampleNumber());
    182     assertEquals("\\d{10}", metadata.getTollFree().getPossibleNumberPattern());
    183     assertEquals("900([135]\\d{6}|9\\d{7})", metadata.getPremiumRate().getNationalNumberPattern());
    184   }
    185 
    186   public void testGetInstanceLoadARMetadata() {
    187     PhoneMetadata metadata = phoneUtil.getMetadataForRegion(RegionCode.AR);
    188     assertEquals("AR", metadata.getId());
    189     assertEquals(54, metadata.getCountryCode());
    190     assertEquals("00", metadata.getInternationalPrefix());
    191     assertEquals("0", metadata.getNationalPrefix());
    192     assertEquals("0(?:(11|343|3715)15)?", metadata.getNationalPrefixForParsing());
    193     assertEquals("9$1", metadata.getNationalPrefixTransformRule());
    194     assertEquals("$2 15 $3-$4", metadata.getNumberFormat(2).getFormat());
    195     assertEquals("(9)(\\d{4})(\\d{2})(\\d{4})",
    196                  metadata.getNumberFormat(3).getPattern());
    197     assertEquals("(9)(\\d{4})(\\d{2})(\\d{4})",
    198                  metadata.getIntlNumberFormat(3).getPattern());
    199     assertEquals("$1 $2 $3 $4", metadata.getIntlNumberFormat(3).getFormat());
    200   }
    201 
    202   public void testIsLeadingZeroPossible() {
    203     assertTrue(phoneUtil.isLeadingZeroPossible(39));  // Italy
    204     assertFalse(phoneUtil.isLeadingZeroPossible(1));  // USA
    205     assertFalse(phoneUtil.isLeadingZeroPossible(800));  // Not in metadata file, just default to
    206                                                         // false.
    207   }
    208 
    209   public void testGetLengthOfGeographicalAreaCode() {
    210     // Google MTV, which has area code "650".
    211     assertEquals(3, phoneUtil.getLengthOfGeographicalAreaCode(US_NUMBER));
    212 
    213     // A North America toll-free number, which has no area code.
    214     assertEquals(0, phoneUtil.getLengthOfGeographicalAreaCode(US_TOLLFREE));
    215 
    216     // Google London, which has area code "20".
    217     assertEquals(2, phoneUtil.getLengthOfGeographicalAreaCode(GB_NUMBER));
    218 
    219     // A UK mobile phone, which has no area code.
    220     assertEquals(0, phoneUtil.getLengthOfGeographicalAreaCode(GB_MOBILE));
    221 
    222     // Google Buenos Aires, which has area code "11".
    223     assertEquals(2, phoneUtil.getLengthOfGeographicalAreaCode(AR_NUMBER));
    224 
    225     // Google Sydney, which has area code "2".
    226     assertEquals(1, phoneUtil.getLengthOfGeographicalAreaCode(AU_NUMBER));
    227 
    228     // Google Singapore. Singapore has no area code and no national prefix.
    229     assertEquals(0, phoneUtil.getLengthOfGeographicalAreaCode(SG_NUMBER));
    230 
    231     // An invalid US number (1 digit shorter), which has no area code.
    232     assertEquals(0, phoneUtil.getLengthOfGeographicalAreaCode(US_SHORT_BY_ONE_NUMBER));
    233   }
    234 
    235   public void testGetLengthOfNationalDestinationCode() {
    236     // Google MTV, which has national destination code (NDC) "650".
    237     assertEquals(3, phoneUtil.getLengthOfNationalDestinationCode(US_NUMBER));
    238 
    239     // A North America toll-free number, which has NDC "800".
    240     assertEquals(3, phoneUtil.getLengthOfNationalDestinationCode(US_TOLLFREE));
    241 
    242     // Google London, which has NDC "20".
    243     assertEquals(2, phoneUtil.getLengthOfNationalDestinationCode(GB_NUMBER));
    244 
    245     // A UK mobile phone, which has NDC "7912".
    246     assertEquals(4, phoneUtil.getLengthOfNationalDestinationCode(GB_MOBILE));
    247 
    248     // Google Buenos Aires, which has NDC "11".
    249     assertEquals(2, phoneUtil.getLengthOfNationalDestinationCode(AR_NUMBER));
    250 
    251     // An Argentinian mobile which has NDC "911".
    252     assertEquals(3, phoneUtil.getLengthOfNationalDestinationCode(AR_MOBILE));
    253 
    254     // Google Sydney, which has NDC "2".
    255     assertEquals(1, phoneUtil.getLengthOfNationalDestinationCode(AU_NUMBER));
    256 
    257     // Google Singapore, which has NDC "6521".
    258     assertEquals(4, phoneUtil.getLengthOfNationalDestinationCode(SG_NUMBER));
    259 
    260     // An invalid US number (1 digit shorter), which has no NDC.
    261     assertEquals(0, phoneUtil.getLengthOfNationalDestinationCode(US_SHORT_BY_ONE_NUMBER));
    262 
    263     // A number containing an invalid country calling code, which shouldn't have any NDC.
    264     PhoneNumber number = new PhoneNumber().setCountryCode(123).setNationalNumber(6502530000L);
    265     assertEquals(0, phoneUtil.getLengthOfNationalDestinationCode(number));
    266   }
    267 
    268   public void testGetNationalSignificantNumber() {
    269     assertEquals("6502530000", phoneUtil.getNationalSignificantNumber(US_NUMBER));
    270 
    271     // An Italian mobile number.
    272     assertEquals("345678901", phoneUtil.getNationalSignificantNumber(IT_MOBILE));
    273 
    274     // An Italian fixed line number.
    275     assertEquals("0236618300", phoneUtil.getNationalSignificantNumber(IT_NUMBER));
    276   }
    277 
    278   public void testGetExampleNumber() {
    279     assertEquals(DE_NUMBER, phoneUtil.getExampleNumber(RegionCode.DE));
    280 
    281     assertEquals(DE_NUMBER,
    282                  phoneUtil.getExampleNumberForType(RegionCode.DE,
    283                                                    PhoneNumberUtil.PhoneNumberType.FIXED_LINE));
    284     assertEquals(null,
    285                  phoneUtil.getExampleNumberForType(RegionCode.DE,
    286                                                    PhoneNumberUtil.PhoneNumberType.MOBILE));
    287     // For the US, the example number is placed under general description, and hence should be used
    288     // for both fixed line and mobile, so neither of these should return null.
    289     assertNotNull(phoneUtil.getExampleNumberForType(RegionCode.US,
    290                                                     PhoneNumberUtil.PhoneNumberType.FIXED_LINE));
    291     assertNotNull(phoneUtil.getExampleNumberForType(RegionCode.US,
    292                                                     PhoneNumberUtil.PhoneNumberType.MOBILE));
    293     // CS is an invalid region, so we have no data for it.
    294     assertNull(phoneUtil.getExampleNumberForType(RegionCode.CS,
    295                                                  PhoneNumberUtil.PhoneNumberType.MOBILE));
    296   }
    297 
    298   public void testConvertAlphaCharactersInNumber() {
    299     String input = "1800-ABC-DEF";
    300     // Alpha chars are converted to digits; everything else is left untouched.
    301     String expectedOutput = "1800-222-333";
    302     assertEquals(expectedOutput, PhoneNumberUtil.convertAlphaCharactersInNumber(input));
    303   }
    304 
    305   public void testNormaliseRemovePunctuation() {
    306     String inputNumber = "034-56&+#234";
    307     String expectedOutput = "03456234";
    308     assertEquals("Conversion did not correctly remove punctuation",
    309                  expectedOutput,
    310                  PhoneNumberUtil.normalize(inputNumber));
    311   }
    312 
    313   public void testNormaliseReplaceAlphaCharacters() {
    314     String inputNumber = "034-I-am-HUNGRY";
    315     String expectedOutput = "034426486479";
    316     assertEquals("Conversion did not correctly replace alpha characters",
    317                  expectedOutput,
    318                  PhoneNumberUtil.normalize(inputNumber));
    319   }
    320 
    321   public void testNormaliseOtherDigits() {
    322     String inputNumber = "\uFF125\u0665";
    323     String expectedOutput = "255";
    324     assertEquals("Conversion did not correctly replace non-latin digits",
    325                  expectedOutput,
    326                  PhoneNumberUtil.normalize(inputNumber));
    327     // Eastern-Arabic digits.
    328     inputNumber = "\u06F52\u06F0";
    329     expectedOutput = "520";
    330     assertEquals("Conversion did not correctly replace non-latin digits",
    331                  expectedOutput,
    332                  PhoneNumberUtil.normalize(inputNumber));
    333   }
    334 
    335   public void testNormaliseStripAlphaCharacters() {
    336     String inputNumber = "034-56&+a#234";
    337     String expectedOutput = "03456234";
    338     assertEquals("Conversion did not correctly remove alpha character",
    339                  expectedOutput,
    340                  PhoneNumberUtil.normalizeDigitsOnly(inputNumber));
    341   }
    342 
    343   public void testFormatUSNumber() {
    344     assertEquals("650 253 0000", phoneUtil.format(US_NUMBER, PhoneNumberFormat.NATIONAL));
    345     assertEquals("+1 650 253 0000", phoneUtil.format(US_NUMBER, PhoneNumberFormat.INTERNATIONAL));
    346 
    347     assertEquals("800 253 0000", phoneUtil.format(US_TOLLFREE, PhoneNumberFormat.NATIONAL));
    348     assertEquals("+1 800 253 0000", phoneUtil.format(US_TOLLFREE, PhoneNumberFormat.INTERNATIONAL));
    349 
    350     assertEquals("900 253 0000", phoneUtil.format(US_PREMIUM, PhoneNumberFormat.NATIONAL));
    351     assertEquals("+1 900 253 0000", phoneUtil.format(US_PREMIUM, PhoneNumberFormat.INTERNATIONAL));
    352     assertEquals("+1-900-253-0000", phoneUtil.format(US_PREMIUM, PhoneNumberFormat.RFC3966));
    353     // Numbers with all zeros in the national number part will be formatted by using the raw_input
    354     // if that is available no matter which format is specified.
    355     assertEquals("000-000-0000",
    356                  phoneUtil.format(US_SPOOF_WITH_RAW_INPUT, PhoneNumberFormat.NATIONAL));
    357     assertEquals("0", phoneUtil.format(US_SPOOF, PhoneNumberFormat.NATIONAL));
    358   }
    359 
    360   public void testFormatBSNumber() {
    361     assertEquals("242 365 1234", phoneUtil.format(BS_NUMBER, PhoneNumberFormat.NATIONAL));
    362     assertEquals("+1 242 365 1234", phoneUtil.format(BS_NUMBER, PhoneNumberFormat.INTERNATIONAL));
    363   }
    364 
    365   public void testFormatGBNumber() {
    366     assertEquals("(020) 7031 3000", phoneUtil.format(GB_NUMBER, PhoneNumberFormat.NATIONAL));
    367     assertEquals("+44 20 7031 3000", phoneUtil.format(GB_NUMBER, PhoneNumberFormat.INTERNATIONAL));
    368 
    369     assertEquals("(07912) 345 678", phoneUtil.format(GB_MOBILE, PhoneNumberFormat.NATIONAL));
    370     assertEquals("+44 7912 345 678", phoneUtil.format(GB_MOBILE, PhoneNumberFormat.INTERNATIONAL));
    371   }
    372 
    373   public void testFormatDENumber() {
    374     PhoneNumber deNumber = new PhoneNumber();
    375     deNumber.setCountryCode(49).setNationalNumber(301234L);
    376     assertEquals("030/1234", phoneUtil.format(deNumber, PhoneNumberFormat.NATIONAL));
    377     assertEquals("+49 30/1234", phoneUtil.format(deNumber, PhoneNumberFormat.INTERNATIONAL));
    378     assertEquals("+49-30-1234", phoneUtil.format(deNumber, PhoneNumberFormat.RFC3966));
    379 
    380     deNumber.clear();
    381     deNumber.setCountryCode(49).setNationalNumber(291123L);
    382     assertEquals("0291 123", phoneUtil.format(deNumber, PhoneNumberFormat.NATIONAL));
    383     assertEquals("+49 291 123", phoneUtil.format(deNumber, PhoneNumberFormat.INTERNATIONAL));
    384 
    385     deNumber.clear();
    386     deNumber.setCountryCode(49).setNationalNumber(29112345678L);
    387     assertEquals("0291 12345678", phoneUtil.format(deNumber, PhoneNumberFormat.NATIONAL));
    388     assertEquals("+49 291 12345678", phoneUtil.format(deNumber, PhoneNumberFormat.INTERNATIONAL));
    389 
    390     deNumber.clear();
    391     deNumber.setCountryCode(49).setNationalNumber(912312345L);
    392     assertEquals("09123 12345", phoneUtil.format(deNumber, PhoneNumberFormat.NATIONAL));
    393     assertEquals("+49 9123 12345", phoneUtil.format(deNumber, PhoneNumberFormat.INTERNATIONAL));
    394     deNumber.clear();
    395     deNumber.setCountryCode(49).setNationalNumber(80212345L);
    396     assertEquals("08021 2345", phoneUtil.format(deNumber, PhoneNumberFormat.NATIONAL));
    397     assertEquals("+49 8021 2345", phoneUtil.format(deNumber, PhoneNumberFormat.INTERNATIONAL));
    398     // Note this number is correctly formatted without national prefix. Most of the numbers that
    399     // are treated as invalid numbers by the library are short numbers, and they are usually not
    400     // dialed with national prefix.
    401     assertEquals("1234", phoneUtil.format(DE_SHORT_NUMBER, PhoneNumberFormat.NATIONAL));
    402     assertEquals("+49 1234", phoneUtil.format(DE_SHORT_NUMBER, PhoneNumberFormat.INTERNATIONAL));
    403 
    404     deNumber.clear();
    405     deNumber.setCountryCode(49).setNationalNumber(41341234);
    406     assertEquals("04134 1234", phoneUtil.format(deNumber, PhoneNumberFormat.NATIONAL));
    407   }
    408 
    409   public void testFormatITNumber() {
    410     assertEquals("02 3661 8300", phoneUtil.format(IT_NUMBER, PhoneNumberFormat.NATIONAL));
    411     assertEquals("+39 02 3661 8300", phoneUtil.format(IT_NUMBER, PhoneNumberFormat.INTERNATIONAL));
    412     assertEquals("+390236618300", phoneUtil.format(IT_NUMBER, PhoneNumberFormat.E164));
    413 
    414     assertEquals("345 678 901", phoneUtil.format(IT_MOBILE, PhoneNumberFormat.NATIONAL));
    415     assertEquals("+39 345 678 901", phoneUtil.format(IT_MOBILE, PhoneNumberFormat.INTERNATIONAL));
    416     assertEquals("+39345678901", phoneUtil.format(IT_MOBILE, PhoneNumberFormat.E164));
    417   }
    418 
    419   public void testFormatAUNumber() {
    420     assertEquals("02 3661 8300", phoneUtil.format(AU_NUMBER, PhoneNumberFormat.NATIONAL));
    421     assertEquals("+61 2 3661 8300", phoneUtil.format(AU_NUMBER, PhoneNumberFormat.INTERNATIONAL));
    422     assertEquals("+61236618300", phoneUtil.format(AU_NUMBER, PhoneNumberFormat.E164));
    423 
    424     PhoneNumber auNumber = new PhoneNumber().setCountryCode(61).setNationalNumber(1800123456L);
    425     assertEquals("1800 123 456", phoneUtil.format(auNumber, PhoneNumberFormat.NATIONAL));
    426     assertEquals("+61 1800 123 456", phoneUtil.format(auNumber, PhoneNumberFormat.INTERNATIONAL));
    427     assertEquals("+611800123456", phoneUtil.format(auNumber, PhoneNumberFormat.E164));
    428   }
    429 
    430   public void testFormatARNumber() {
    431     assertEquals("011 8765-4321", phoneUtil.format(AR_NUMBER, PhoneNumberFormat.NATIONAL));
    432     assertEquals("+54 11 8765-4321", phoneUtil.format(AR_NUMBER, PhoneNumberFormat.INTERNATIONAL));
    433     assertEquals("+541187654321", phoneUtil.format(AR_NUMBER, PhoneNumberFormat.E164));
    434 
    435     assertEquals("011 15 8765-4321", phoneUtil.format(AR_MOBILE, PhoneNumberFormat.NATIONAL));
    436     assertEquals("+54 9 11 8765 4321", phoneUtil.format(AR_MOBILE,
    437                                                         PhoneNumberFormat.INTERNATIONAL));
    438     assertEquals("+5491187654321", phoneUtil.format(AR_MOBILE, PhoneNumberFormat.E164));
    439   }
    440 
    441   public void testFormatMXNumber() {
    442     assertEquals("045 234 567 8900", phoneUtil.format(MX_MOBILE1, PhoneNumberFormat.NATIONAL));
    443     assertEquals("+52 1 234 567 8900", phoneUtil.format(
    444         MX_MOBILE1, PhoneNumberFormat.INTERNATIONAL));
    445     assertEquals("+5212345678900", phoneUtil.format(MX_MOBILE1, PhoneNumberFormat.E164));
    446 
    447     assertEquals("045 55 1234 5678", phoneUtil.format(MX_MOBILE2, PhoneNumberFormat.NATIONAL));
    448     assertEquals("+52 1 55 1234 5678", phoneUtil.format(
    449         MX_MOBILE2, PhoneNumberFormat.INTERNATIONAL));
    450     assertEquals("+5215512345678", phoneUtil.format(MX_MOBILE2, PhoneNumberFormat.E164));
    451 
    452     assertEquals("01 33 1234 5678", phoneUtil.format(MX_NUMBER1, PhoneNumberFormat.NATIONAL));
    453     assertEquals("+52 33 1234 5678", phoneUtil.format(MX_NUMBER1, PhoneNumberFormat.INTERNATIONAL));
    454     assertEquals("+523312345678", phoneUtil.format(MX_NUMBER1, PhoneNumberFormat.E164));
    455 
    456     assertEquals("01 821 123 4567", phoneUtil.format(MX_NUMBER2, PhoneNumberFormat.NATIONAL));
    457     assertEquals("+52 821 123 4567", phoneUtil.format(MX_NUMBER2, PhoneNumberFormat.INTERNATIONAL));
    458     assertEquals("+528211234567", phoneUtil.format(MX_NUMBER2, PhoneNumberFormat.E164));
    459   }
    460 
    461   public void testFormatOutOfCountryCallingNumber() {
    462     assertEquals("00 1 900 253 0000",
    463                  phoneUtil.formatOutOfCountryCallingNumber(US_PREMIUM, RegionCode.DE));
    464 
    465     assertEquals("1 650 253 0000",
    466                  phoneUtil.formatOutOfCountryCallingNumber(US_NUMBER, RegionCode.BS));
    467 
    468     assertEquals("0~0 1 650 253 0000",
    469                  phoneUtil.formatOutOfCountryCallingNumber(US_NUMBER, RegionCode.PL));
    470 
    471     assertEquals("011 44 7912 345 678",
    472                  phoneUtil.formatOutOfCountryCallingNumber(GB_MOBILE, RegionCode.US));
    473 
    474     assertEquals("00 49 1234",
    475                  phoneUtil.formatOutOfCountryCallingNumber(DE_SHORT_NUMBER, RegionCode.GB));
    476     // Note this number is correctly formatted without national prefix. Most of the numbers that
    477     // are treated as invalid numbers by the library are short numbers, and they are usually not
    478     // dialed with national prefix.
    479     assertEquals("1234", phoneUtil.formatOutOfCountryCallingNumber(DE_SHORT_NUMBER, RegionCode.DE));
    480 
    481     assertEquals("011 39 02 3661 8300",
    482                  phoneUtil.formatOutOfCountryCallingNumber(IT_NUMBER, RegionCode.US));
    483     assertEquals("02 3661 8300",
    484                  phoneUtil.formatOutOfCountryCallingNumber(IT_NUMBER, RegionCode.IT));
    485     assertEquals("+39 02 3661 8300",
    486                  phoneUtil.formatOutOfCountryCallingNumber(IT_NUMBER, RegionCode.SG));
    487 
    488     assertEquals("6521 8000",
    489                  phoneUtil.formatOutOfCountryCallingNumber(SG_NUMBER, RegionCode.SG));
    490 
    491     assertEquals("011 54 9 11 8765 4321",
    492                  phoneUtil.formatOutOfCountryCallingNumber(AR_MOBILE, RegionCode.US));
    493 
    494     PhoneNumber arNumberWithExtn = new PhoneNumber().mergeFrom(AR_MOBILE).setExtension("1234");
    495     assertEquals("011 54 9 11 8765 4321 ext. 1234",
    496                  phoneUtil.formatOutOfCountryCallingNumber(arNumberWithExtn, RegionCode.US));
    497     assertEquals("0011 54 9 11 8765 4321 ext. 1234",
    498                  phoneUtil.formatOutOfCountryCallingNumber(arNumberWithExtn, RegionCode.AU));
    499     assertEquals("011 15 8765-4321 ext. 1234",
    500                  phoneUtil.formatOutOfCountryCallingNumber(arNumberWithExtn, RegionCode.AR));
    501   }
    502 
    503   public void testFormatOutOfCountryWithPreferredIntlPrefix() {
    504     // This should use 0011, since that is the preferred international prefix (both 0011 and 0012
    505     // are accepted as possible international prefixes in our test metadta.)
    506     assertEquals("0011 39 02 3661 8300",
    507                  phoneUtil.formatOutOfCountryCallingNumber(IT_NUMBER, RegionCode.AU));
    508   }
    509 
    510   public void testFormatOutOfCountryKeepingAlphaChars() {
    511     PhoneNumber alphaNumericNumber = new PhoneNumber();
    512     alphaNumericNumber.setCountryCode(1).setNationalNumber(8007493524L)
    513         .setRawInput("1800 six-flag");
    514     assertEquals("0011 1 800 SIX-FLAG",
    515                  phoneUtil.formatOutOfCountryKeepingAlphaChars(alphaNumericNumber, RegionCode.AU));
    516 
    517     alphaNumericNumber.setRawInput("1-800-SIX-flag");
    518     assertEquals("0011 1 800-SIX-FLAG",
    519                  phoneUtil.formatOutOfCountryKeepingAlphaChars(alphaNumericNumber, RegionCode.AU));
    520 
    521     alphaNumericNumber.setRawInput("Call us from UK: 00 1 800 SIX-flag");
    522     assertEquals("0011 1 800 SIX-FLAG",
    523                  phoneUtil.formatOutOfCountryKeepingAlphaChars(alphaNumericNumber, RegionCode.AU));
    524 
    525     alphaNumericNumber.setRawInput("800 SIX-flag");
    526     assertEquals("0011 1 800 SIX-FLAG",
    527                  phoneUtil.formatOutOfCountryKeepingAlphaChars(alphaNumericNumber, RegionCode.AU));
    528 
    529     // Formatting from within the NANPA region.
    530     assertEquals("1 800 SIX-FLAG",
    531                  phoneUtil.formatOutOfCountryKeepingAlphaChars(alphaNumericNumber, RegionCode.US));
    532 
    533     assertEquals("1 800 SIX-FLAG",
    534                  phoneUtil.formatOutOfCountryKeepingAlphaChars(alphaNumericNumber, RegionCode.BS));
    535 
    536     // Testing that if the raw input doesn't exist, it is formatted using
    537     // formatOutOfCountryCallingNumber.
    538     alphaNumericNumber.clearRawInput();
    539     assertEquals("00 1 800 749 3524",
    540                  phoneUtil.formatOutOfCountryKeepingAlphaChars(alphaNumericNumber, RegionCode.DE));
    541 
    542     // Testing AU alpha number formatted from Australia.
    543     alphaNumericNumber.setCountryCode(61).setNationalNumber(827493524L)
    544         .setRawInput("+61 82749-FLAG");
    545     // This number should have the national prefix fixed.
    546     assertEquals("082749-FLAG",
    547                  phoneUtil.formatOutOfCountryKeepingAlphaChars(alphaNumericNumber, RegionCode.AU));
    548 
    549     alphaNumericNumber.setRawInput("082749-FLAG");
    550     assertEquals("082749-FLAG",
    551                  phoneUtil.formatOutOfCountryKeepingAlphaChars(alphaNumericNumber, RegionCode.AU));
    552 
    553     alphaNumericNumber.setNationalNumber(18007493524L).setRawInput("1-800-SIX-flag");
    554     // This number should not have the national prefix prefixed, in accordance with the override for
    555     // this specific formatting rule.
    556     assertEquals("1-800-SIX-FLAG",
    557                  phoneUtil.formatOutOfCountryKeepingAlphaChars(alphaNumericNumber, RegionCode.AU));
    558 
    559     // The metadata should not be permanently changed, since we copied it before modifying patterns.
    560     // Here we check this.
    561     alphaNumericNumber.setNationalNumber(1800749352L);
    562     assertEquals("1800 749 352",
    563                  phoneUtil.formatOutOfCountryCallingNumber(alphaNumericNumber, RegionCode.AU));
    564 
    565     // Testing a region with multiple international prefixes.
    566     assertEquals("+61 1-800-SIX-FLAG",
    567                  phoneUtil.formatOutOfCountryKeepingAlphaChars(alphaNumericNumber, RegionCode.SG));
    568 
    569     // Testing the case with an invalid country calling code.
    570     alphaNumericNumber.setCountryCode(0).setNationalNumber(18007493524L)
    571         .setRawInput("1-800-SIX-flag");
    572     // Uses the raw input only.
    573     assertEquals("1-800-SIX-flag",
    574                  phoneUtil.formatOutOfCountryKeepingAlphaChars(alphaNumericNumber, RegionCode.DE));
    575 
    576     // Testing the case of an invalid alpha number.
    577     alphaNumericNumber.setCountryCode(1).setNationalNumber(80749L).setRawInput("180-SIX");
    578     // No country-code stripping can be done.
    579     assertEquals("00 1 180-SIX",
    580                  phoneUtil.formatOutOfCountryKeepingAlphaChars(alphaNumericNumber, RegionCode.DE));
    581   }
    582 
    583   public void testFormatWithCarrierCode() {
    584     // We only support this for AR in our test metadata, and only for mobile numbers starting with
    585     // certain values.
    586     PhoneNumber arMobile = new PhoneNumber().setCountryCode(54).setNationalNumber(92234654321L);
    587     assertEquals("02234 65-4321", phoneUtil.format(arMobile, PhoneNumberFormat.NATIONAL));
    588     // Here we force 14 as the carrier code.
    589     assertEquals("02234 14 65-4321",
    590                  phoneUtil.formatNationalNumberWithCarrierCode(arMobile, "14"));
    591     // Here we force the number to be shown with no carrier code.
    592     assertEquals("02234 65-4321",
    593                  phoneUtil.formatNationalNumberWithCarrierCode(arMobile, ""));
    594     // Here the international rule is used, so no carrier code should be present.
    595     assertEquals("+5492234654321", phoneUtil.format(arMobile, PhoneNumberFormat.E164));
    596     // We don't support this for the US so there should be no change.
    597     assertEquals("650 253 0000", phoneUtil.formatNationalNumberWithCarrierCode(US_NUMBER, "15"));
    598   }
    599 
    600   public void testFormatWithPreferredCarrierCode() {
    601     // We only support this for AR in our test metadata.
    602     PhoneNumber arNumber = new PhoneNumber();
    603     arNumber.setCountryCode(54).setNationalNumber(91234125678L);
    604     // Test formatting with no preferred carrier code stored in the number itself.
    605     assertEquals("01234 15 12-5678",
    606         phoneUtil.formatNationalNumberWithPreferredCarrierCode(arNumber, "15"));
    607     assertEquals("01234 12-5678",
    608         phoneUtil.formatNationalNumberWithPreferredCarrierCode(arNumber, ""));
    609     // Test formatting with preferred carrier code present.
    610     arNumber.setPreferredDomesticCarrierCode("19");
    611     assertEquals("01234 12-5678", phoneUtil.format(arNumber, PhoneNumberFormat.NATIONAL));
    612     assertEquals("01234 19 12-5678",
    613         phoneUtil.formatNationalNumberWithPreferredCarrierCode(arNumber, "15"));
    614     assertEquals("01234 19 12-5678",
    615         phoneUtil.formatNationalNumberWithPreferredCarrierCode(arNumber, ""));
    616     // When the preferred_domestic_carrier_code is present (even when it contains an empty string),
    617     // use it instead of the default carrier code passed in.
    618     arNumber.setPreferredDomesticCarrierCode("");
    619     assertEquals("01234 12-5678",
    620         phoneUtil.formatNationalNumberWithPreferredCarrierCode(arNumber, "15"));
    621     // We don't support this for the US so there should be no change.
    622     PhoneNumber usNumber = new PhoneNumber();
    623     usNumber.setCountryCode(1).setNationalNumber(4241231234L).setPreferredDomesticCarrierCode("99");
    624     assertEquals("424 123 1234", phoneUtil.format(usNumber, PhoneNumberFormat.NATIONAL));
    625     assertEquals("424 123 1234",
    626         phoneUtil.formatNationalNumberWithPreferredCarrierCode(usNumber, "15"));
    627   }
    628 
    629   public void testFormatByPattern() {
    630     NumberFormat newNumFormat = new NumberFormat();
    631     newNumFormat.setPattern("(\\d{3})(\\d{3})(\\d{4})");
    632     newNumFormat.setFormat("($1) $2-$3");
    633     List<NumberFormat> newNumberFormats = new ArrayList<NumberFormat>();
    634     newNumberFormats.add(newNumFormat);
    635 
    636     assertEquals("(650) 253-0000", phoneUtil.formatByPattern(US_NUMBER, PhoneNumberFormat.NATIONAL,
    637                                                              newNumberFormats));
    638     assertEquals("+1 (650) 253-0000", phoneUtil.formatByPattern(US_NUMBER,
    639                                                                 PhoneNumberFormat.INTERNATIONAL,
    640                                                                 newNumberFormats));
    641 
    642     // $NP is set to '1' for the US. Here we check that for other NANPA countries the US rules are
    643     // followed.
    644     newNumFormat.setNationalPrefixFormattingRule("$NP ($FG)");
    645     newNumFormat.setFormat("$1 $2-$3");
    646     assertEquals("1 (242) 365-1234",
    647                  phoneUtil.formatByPattern(BS_NUMBER, PhoneNumberFormat.NATIONAL,
    648                                            newNumberFormats));
    649     assertEquals("+1 242 365-1234",
    650                  phoneUtil.formatByPattern(BS_NUMBER, PhoneNumberFormat.INTERNATIONAL,
    651                                            newNumberFormats));
    652 
    653     newNumFormat.setPattern("(\\d{2})(\\d{5})(\\d{3})");
    654     newNumFormat.setFormat("$1-$2 $3");
    655     newNumberFormats.set(0, newNumFormat);
    656 
    657     assertEquals("02-36618 300",
    658                  phoneUtil.formatByPattern(IT_NUMBER, PhoneNumberFormat.NATIONAL,
    659                                            newNumberFormats));
    660     assertEquals("+39 02-36618 300",
    661                  phoneUtil.formatByPattern(IT_NUMBER, PhoneNumberFormat.INTERNATIONAL,
    662                                            newNumberFormats));
    663 
    664     newNumFormat.setNationalPrefixFormattingRule("$NP$FG");
    665     newNumFormat.setPattern("(\\d{2})(\\d{4})(\\d{4})");
    666     newNumFormat.setFormat("$1 $2 $3");
    667     newNumberFormats.set(0, newNumFormat);
    668     assertEquals("020 7031 3000",
    669                  phoneUtil.formatByPattern(GB_NUMBER, PhoneNumberFormat.NATIONAL,
    670                                            newNumberFormats));
    671 
    672     newNumFormat.setNationalPrefixFormattingRule("($NP$FG)");
    673     assertEquals("(020) 7031 3000",
    674                  phoneUtil.formatByPattern(GB_NUMBER, PhoneNumberFormat.NATIONAL,
    675                                            newNumberFormats));
    676 
    677     newNumFormat.setNationalPrefixFormattingRule("");
    678     assertEquals("20 7031 3000",
    679                  phoneUtil.formatByPattern(GB_NUMBER, PhoneNumberFormat.NATIONAL,
    680                                            newNumberFormats));
    681 
    682     assertEquals("+44 20 7031 3000",
    683                  phoneUtil.formatByPattern(GB_NUMBER, PhoneNumberFormat.INTERNATIONAL,
    684                                            newNumberFormats));
    685   }
    686 
    687   public void testFormatE164Number() {
    688     assertEquals("+16502530000", phoneUtil.format(US_NUMBER, PhoneNumberFormat.E164));
    689     assertEquals("+4930123456", phoneUtil.format(DE_NUMBER, PhoneNumberFormat.E164));
    690   }
    691 
    692   public void testFormatNumberWithExtension() {
    693     PhoneNumber nzNumber = new PhoneNumber().mergeFrom(NZ_NUMBER).setExtension("1234");
    694     // Uses default extension prefix:
    695     assertEquals("03-331 6005 ext. 1234", phoneUtil.format(nzNumber, PhoneNumberFormat.NATIONAL));
    696     // Uses RFC 3966 syntax.
    697     assertEquals("+64-3-331-6005;ext=1234", phoneUtil.format(nzNumber, PhoneNumberFormat.RFC3966));
    698     // Extension prefix overridden in the territory information for the US:
    699     PhoneNumber usNumberWithExtension = new PhoneNumber().mergeFrom(US_NUMBER).setExtension("4567");
    700     assertEquals("650 253 0000 extn. 4567", phoneUtil.format(usNumberWithExtension,
    701                                                              PhoneNumberFormat.NATIONAL));
    702   }
    703 
    704   public void testFormatUsingOriginalNumberFormat() throws Exception {
    705     PhoneNumber number1 = phoneUtil.parseAndKeepRawInput("+442087654321", RegionCode.GB);
    706     assertEquals("+44 20 8765 4321", phoneUtil.formatInOriginalFormat(number1, RegionCode.GB));
    707 
    708     PhoneNumber number2 = phoneUtil.parseAndKeepRawInput("02087654321", RegionCode.GB);
    709     assertEquals("(020) 8765 4321", phoneUtil.formatInOriginalFormat(number2, RegionCode.GB));
    710 
    711     PhoneNumber number3 = phoneUtil.parseAndKeepRawInput("011442087654321", RegionCode.US);
    712     assertEquals("011 44 20 8765 4321", phoneUtil.formatInOriginalFormat(number3, RegionCode.US));
    713 
    714     PhoneNumber number4 = phoneUtil.parseAndKeepRawInput("442087654321", RegionCode.GB);
    715     assertEquals("44 20 8765 4321", phoneUtil.formatInOriginalFormat(number4, RegionCode.GB));
    716 
    717     PhoneNumber number5 = phoneUtil.parse("+442087654321", RegionCode.GB);
    718     assertEquals("(020) 8765 4321", phoneUtil.formatInOriginalFormat(number5, RegionCode.GB));
    719   }
    720 
    721   public void testIsPremiumRate() {
    722     assertEquals(PhoneNumberUtil.PhoneNumberType.PREMIUM_RATE, phoneUtil.getNumberType(US_PREMIUM));
    723 
    724     PhoneNumber premiumRateNumber = new PhoneNumber();
    725     premiumRateNumber.setCountryCode(39).setNationalNumber(892123L);
    726     assertEquals(PhoneNumberUtil.PhoneNumberType.PREMIUM_RATE,
    727                  phoneUtil.getNumberType(premiumRateNumber));
    728 
    729     premiumRateNumber.clear();
    730     premiumRateNumber.setCountryCode(44).setNationalNumber(9187654321L);
    731     assertEquals(PhoneNumberUtil.PhoneNumberType.PREMIUM_RATE,
    732                  phoneUtil.getNumberType(premiumRateNumber));
    733 
    734     premiumRateNumber.clear();
    735     premiumRateNumber.setCountryCode(49).setNationalNumber(9001654321L);
    736     assertEquals(PhoneNumberUtil.PhoneNumberType.PREMIUM_RATE,
    737                  phoneUtil.getNumberType(premiumRateNumber));
    738 
    739     premiumRateNumber.clear();
    740     premiumRateNumber.setCountryCode(49).setNationalNumber(90091234567L);
    741     assertEquals(PhoneNumberUtil.PhoneNumberType.PREMIUM_RATE,
    742                  phoneUtil.getNumberType(premiumRateNumber));
    743   }
    744 
    745   public void testIsTollFree() {
    746     PhoneNumber tollFreeNumber = new PhoneNumber();
    747 
    748     tollFreeNumber.setCountryCode(1).setNationalNumber(8881234567L);
    749     assertEquals(PhoneNumberUtil.PhoneNumberType.TOLL_FREE,
    750                  phoneUtil.getNumberType(tollFreeNumber));
    751 
    752     tollFreeNumber.clear();
    753     tollFreeNumber.setCountryCode(39).setNationalNumber(803123L);
    754     assertEquals(PhoneNumberUtil.PhoneNumberType.TOLL_FREE,
    755                  phoneUtil.getNumberType(tollFreeNumber));
    756 
    757     tollFreeNumber.clear();
    758     tollFreeNumber.setCountryCode(44).setNationalNumber(8012345678L);
    759     assertEquals(PhoneNumberUtil.PhoneNumberType.TOLL_FREE,
    760                  phoneUtil.getNumberType(tollFreeNumber));
    761 
    762     tollFreeNumber.clear();
    763     tollFreeNumber.setCountryCode(49).setNationalNumber(8001234567L);
    764     assertEquals(PhoneNumberUtil.PhoneNumberType.TOLL_FREE,
    765                  phoneUtil.getNumberType(tollFreeNumber));
    766   }
    767 
    768   public void testIsMobile() {
    769     assertEquals(PhoneNumberUtil.PhoneNumberType.MOBILE, phoneUtil.getNumberType(BS_MOBILE));
    770     assertEquals(PhoneNumberUtil.PhoneNumberType.MOBILE, phoneUtil.getNumberType(GB_MOBILE));
    771     assertEquals(PhoneNumberUtil.PhoneNumberType.MOBILE, phoneUtil.getNumberType(IT_MOBILE));
    772     assertEquals(PhoneNumberUtil.PhoneNumberType.MOBILE, phoneUtil.getNumberType(AR_MOBILE));
    773 
    774     PhoneNumber mobileNumber = new PhoneNumber();
    775     mobileNumber.setCountryCode(49).setNationalNumber(15123456789L);
    776     assertEquals(PhoneNumberUtil.PhoneNumberType.MOBILE, phoneUtil.getNumberType(mobileNumber));
    777   }
    778 
    779   public void testIsFixedLine() {
    780     assertEquals(PhoneNumberUtil.PhoneNumberType.FIXED_LINE, phoneUtil.getNumberType(BS_NUMBER));
    781     assertEquals(PhoneNumberUtil.PhoneNumberType.FIXED_LINE, phoneUtil.getNumberType(IT_NUMBER));
    782     assertEquals(PhoneNumberUtil.PhoneNumberType.FIXED_LINE, phoneUtil.getNumberType(GB_NUMBER));
    783     assertEquals(PhoneNumberUtil.PhoneNumberType.FIXED_LINE, phoneUtil.getNumberType(DE_NUMBER));
    784   }
    785 
    786   public void testIsFixedLineAndMobile() {
    787     assertEquals(PhoneNumberUtil.PhoneNumberType.FIXED_LINE_OR_MOBILE,
    788                  phoneUtil.getNumberType(US_NUMBER));
    789 
    790     PhoneNumber fixedLineAndMobileNumber = new PhoneNumber().
    791         setCountryCode(54).setNationalNumber(1987654321L);
    792     assertEquals(PhoneNumberUtil.PhoneNumberType.FIXED_LINE_OR_MOBILE,
    793                  phoneUtil.getNumberType(fixedLineAndMobileNumber));
    794   }
    795 
    796   public void testIsSharedCost() {
    797     PhoneNumber gbNumber = new PhoneNumber();
    798     gbNumber.setCountryCode(44).setNationalNumber(8431231234L);
    799     assertEquals(PhoneNumberUtil.PhoneNumberType.SHARED_COST, phoneUtil.getNumberType(gbNumber));
    800   }
    801 
    802   public void testIsVoip() {
    803     PhoneNumber gbNumber = new PhoneNumber();
    804     gbNumber.setCountryCode(44).setNationalNumber(5631231234L);
    805     assertEquals(PhoneNumberUtil.PhoneNumberType.VOIP, phoneUtil.getNumberType(gbNumber));
    806   }
    807 
    808   public void testIsPersonalNumber() {
    809     PhoneNumber gbNumber = new PhoneNumber();
    810     gbNumber.setCountryCode(44).setNationalNumber(7031231234L);
    811     assertEquals(PhoneNumberUtil.PhoneNumberType.PERSONAL_NUMBER,
    812                  phoneUtil.getNumberType(gbNumber));
    813   }
    814 
    815   public void testIsUnknown() {
    816     // Invalid numbers should be of type UNKNOWN.
    817     assertEquals(PhoneNumberUtil.PhoneNumberType.UNKNOWN, phoneUtil.getNumberType(US_LOCAL_NUMBER));
    818   }
    819 
    820   public void testIsValidNumber() {
    821     assertTrue(phoneUtil.isValidNumber(US_NUMBER));
    822     assertTrue(phoneUtil.isValidNumber(IT_NUMBER));
    823     assertTrue(phoneUtil.isValidNumber(GB_MOBILE));
    824 
    825     PhoneNumber nzNumber = new PhoneNumber().setCountryCode(64).setNationalNumber(21387835L);
    826     assertTrue(phoneUtil.isValidNumber(nzNumber));
    827   }
    828 
    829   public void testIsValidForRegion() {
    830     // This number is valid for the Bahamas, but is not a valid US number.
    831     assertTrue(phoneUtil.isValidNumber(BS_NUMBER));
    832     assertTrue(phoneUtil.isValidNumberForRegion(BS_NUMBER, RegionCode.BS));
    833     assertFalse(phoneUtil.isValidNumberForRegion(BS_NUMBER, RegionCode.US));
    834     PhoneNumber bsInvalidNumber =
    835         new PhoneNumber().setCountryCode(1).setNationalNumber(2421232345L);
    836     // This number is no longer valid.
    837     assertFalse(phoneUtil.isValidNumber(bsInvalidNumber));
    838 
    839     // La Mayotte and Reunion use 'leadingDigits' to differentiate them.
    840     PhoneNumber reNumber = new PhoneNumber();
    841     reNumber.setCountryCode(262).setNationalNumber(262123456L);
    842     assertTrue(phoneUtil.isValidNumber(reNumber));
    843     assertTrue(phoneUtil.isValidNumberForRegion(reNumber, RegionCode.RE));
    844     assertFalse(phoneUtil.isValidNumberForRegion(reNumber, RegionCode.YT));
    845     // Now change the number to be a number for La Mayotte.
    846     reNumber.setNationalNumber(269601234L);
    847     assertTrue(phoneUtil.isValidNumberForRegion(reNumber, RegionCode.YT));
    848     assertFalse(phoneUtil.isValidNumberForRegion(reNumber, RegionCode.RE));
    849     // This number is no longer valid for La Reunion.
    850     reNumber.setNationalNumber(269123456L);
    851     assertFalse(phoneUtil.isValidNumberForRegion(reNumber, RegionCode.YT));
    852     assertFalse(phoneUtil.isValidNumberForRegion(reNumber, RegionCode.RE));
    853     assertFalse(phoneUtil.isValidNumber(reNumber));
    854     // However, it should be recognised as from La Mayotte, since it is valid for this region.
    855     assertEquals(RegionCode.YT, phoneUtil.getRegionCodeForNumber(reNumber));
    856     // This number is valid in both places.
    857     reNumber.setNationalNumber(800123456L);
    858     assertTrue(phoneUtil.isValidNumberForRegion(reNumber, RegionCode.YT));
    859     assertTrue(phoneUtil.isValidNumberForRegion(reNumber, RegionCode.RE));
    860   }
    861 
    862   public void testIsNotValidNumber() {
    863     assertFalse(phoneUtil.isValidNumber(US_LOCAL_NUMBER));
    864 
    865     PhoneNumber invalidNumber = new PhoneNumber();
    866     invalidNumber.setCountryCode(39).setNationalNumber(23661830000L).setItalianLeadingZero(true);
    867     assertFalse(phoneUtil.isValidNumber(invalidNumber));
    868 
    869     invalidNumber.clear();
    870     invalidNumber.setCountryCode(44).setNationalNumber(791234567L);
    871     assertFalse(phoneUtil.isValidNumber(invalidNumber));
    872 
    873     invalidNumber.clear();
    874     invalidNumber.setCountryCode(49).setNationalNumber(1234L);
    875     assertFalse(phoneUtil.isValidNumber(invalidNumber));
    876 
    877     invalidNumber.clear();
    878     invalidNumber.setCountryCode(64).setNationalNumber(3316005L);
    879     assertFalse(phoneUtil.isValidNumber(invalidNumber));
    880   }
    881 
    882   public void testGetRegionCodeForCountryCode() {
    883     assertEquals(RegionCode.US, phoneUtil.getRegionCodeForCountryCode(1));
    884     assertEquals(RegionCode.GB, phoneUtil.getRegionCodeForCountryCode(44));
    885     assertEquals(RegionCode.DE, phoneUtil.getRegionCodeForCountryCode(49));
    886   }
    887 
    888   public void testGetRegionCodeForNumber() {
    889     assertEquals(RegionCode.BS, phoneUtil.getRegionCodeForNumber(BS_NUMBER));
    890     assertEquals(RegionCode.US, phoneUtil.getRegionCodeForNumber(US_NUMBER));
    891     assertEquals(RegionCode.GB, phoneUtil.getRegionCodeForNumber(GB_MOBILE));
    892   }
    893 
    894   public void testGetCountryCodeForRegion() {
    895     assertEquals(1, phoneUtil.getCountryCodeForRegion(RegionCode.US));
    896     assertEquals(64, phoneUtil.getCountryCodeForRegion(RegionCode.NZ));
    897     assertEquals(0, phoneUtil.getCountryCodeForRegion(null));
    898     assertEquals(0, phoneUtil.getCountryCodeForRegion(RegionCode.ZZ));
    899     // CS is already deprecated so the library doesn't support it.
    900     assertEquals(0, phoneUtil.getCountryCodeForRegion(RegionCode.CS));
    901   }
    902 
    903   public void testGetNationalDiallingPrefixForRegion() {
    904     assertEquals("1", phoneUtil.getNddPrefixForRegion(RegionCode.US, false));
    905     // Test non-main country to see it gets the national dialling prefix for the main country with
    906     // that country calling code.
    907     assertEquals("1", phoneUtil.getNddPrefixForRegion(RegionCode.BS, false));
    908     assertEquals("0", phoneUtil.getNddPrefixForRegion(RegionCode.NZ, false));
    909     // Test case with non digit in the national prefix.
    910     assertEquals("0~0", phoneUtil.getNddPrefixForRegion(RegionCode.AO, false));
    911     assertEquals("00", phoneUtil.getNddPrefixForRegion(RegionCode.AO, true));
    912     // Test cases with invalid regions.
    913     assertEquals(null, phoneUtil.getNddPrefixForRegion(null, false));
    914     assertEquals(null, phoneUtil.getNddPrefixForRegion(RegionCode.ZZ, false));
    915     // CS is already deprecated so the library doesn't support it.
    916     assertEquals(null, phoneUtil.getNddPrefixForRegion(RegionCode.CS, false));
    917   }
    918 
    919   public void testIsNANPACountry() {
    920     assertTrue(phoneUtil.isNANPACountry(RegionCode.US));
    921     assertTrue(phoneUtil.isNANPACountry(RegionCode.BS));
    922     assertFalse(phoneUtil.isNANPACountry(RegionCode.DE));
    923     assertFalse(phoneUtil.isNANPACountry(RegionCode.ZZ));
    924     assertFalse(phoneUtil.isNANPACountry(null));
    925   }
    926 
    927   public void testIsPossibleNumber() {
    928     assertTrue(phoneUtil.isPossibleNumber(US_NUMBER));
    929     assertTrue(phoneUtil.isPossibleNumber(US_LOCAL_NUMBER));
    930     assertTrue(phoneUtil.isPossibleNumber(GB_NUMBER));
    931 
    932     assertTrue(phoneUtil.isPossibleNumber("+1 650 253 0000", RegionCode.US));
    933     assertTrue(phoneUtil.isPossibleNumber("+1 650 GOO OGLE", RegionCode.US));
    934     assertTrue(phoneUtil.isPossibleNumber("(650) 253-0000", RegionCode.US));
    935     assertTrue(phoneUtil.isPossibleNumber("253-0000", RegionCode.US));
    936     assertTrue(phoneUtil.isPossibleNumber("+1 650 253 0000", RegionCode.GB));
    937     assertTrue(phoneUtil.isPossibleNumber("+44 20 7031 3000", RegionCode.GB));
    938     assertTrue(phoneUtil.isPossibleNumber("(020) 7031 3000", RegionCode.GB));
    939     assertTrue(phoneUtil.isPossibleNumber("7031 3000", RegionCode.GB));
    940     assertTrue(phoneUtil.isPossibleNumber("3331 6005", RegionCode.NZ));
    941   }
    942 
    943   public void testIsPossibleNumberWithReason() {
    944     // National numbers for country calling code +1 that are within 7 to 10 digits are possible.
    945     assertEquals(PhoneNumberUtil.ValidationResult.IS_POSSIBLE,
    946                  phoneUtil.isPossibleNumberWithReason(US_NUMBER));
    947 
    948     assertEquals(PhoneNumberUtil.ValidationResult.IS_POSSIBLE,
    949                  phoneUtil.isPossibleNumberWithReason(US_LOCAL_NUMBER));
    950 
    951     assertEquals(PhoneNumberUtil.ValidationResult.TOO_LONG,
    952                  phoneUtil.isPossibleNumberWithReason(US_LONG_NUMBER));
    953 
    954     PhoneNumber number = new PhoneNumber();
    955     number.setCountryCode(0).setNationalNumber(2530000L);
    956     assertEquals(PhoneNumberUtil.ValidationResult.INVALID_COUNTRY_CODE,
    957                  phoneUtil.isPossibleNumberWithReason(number));
    958 
    959     number.clear();
    960     number.setCountryCode(1).setNationalNumber(253000L);
    961     assertEquals(PhoneNumberUtil.ValidationResult.TOO_SHORT,
    962                  phoneUtil.isPossibleNumberWithReason(number));
    963 
    964     number.clear();
    965     number.setCountryCode(65).setNationalNumber(1234567890L);
    966     assertEquals(PhoneNumberUtil.ValidationResult.IS_POSSIBLE,
    967                  phoneUtil.isPossibleNumberWithReason(number));
    968 
    969     // Try with number that we don't have metadata for.
    970     PhoneNumber adNumber = new PhoneNumber();
    971     adNumber.setCountryCode(376).setNationalNumber(12345L);
    972     assertEquals(PhoneNumberUtil.ValidationResult.IS_POSSIBLE,
    973                  phoneUtil.isPossibleNumberWithReason(adNumber));
    974     adNumber.setCountryCode(376).setNationalNumber(13L);
    975     assertEquals(PhoneNumberUtil.ValidationResult.TOO_SHORT,
    976                  phoneUtil.isPossibleNumberWithReason(adNumber));
    977     adNumber.setCountryCode(376).setNationalNumber(1234567890123456L);
    978     assertEquals(PhoneNumberUtil.ValidationResult.TOO_LONG,
    979                  phoneUtil.isPossibleNumberWithReason(adNumber));
    980   }
    981 
    982   public void testIsNotPossibleNumber() {
    983     assertFalse(phoneUtil.isPossibleNumber(US_LONG_NUMBER));
    984 
    985     PhoneNumber number = new PhoneNumber();
    986     number.setCountryCode(1).setNationalNumber(253000L);
    987     assertFalse(phoneUtil.isPossibleNumber(number));
    988 
    989     number.clear();
    990     number.setCountryCode(44).setNationalNumber(300L);
    991     assertFalse(phoneUtil.isPossibleNumber(number));
    992 
    993     assertFalse(phoneUtil.isPossibleNumber("+1 650 253 00000", RegionCode.US));
    994     assertFalse(phoneUtil.isPossibleNumber("(650) 253-00000", RegionCode.US));
    995     assertFalse(phoneUtil.isPossibleNumber("I want a Pizza", RegionCode.US));
    996     assertFalse(phoneUtil.isPossibleNumber("253-000", RegionCode.US));
    997     assertFalse(phoneUtil.isPossibleNumber("1 3000", RegionCode.GB));
    998     assertFalse(phoneUtil.isPossibleNumber("+44 300", RegionCode.GB));
    999   }
   1000 
   1001   public void testTruncateTooLongNumber() {
   1002     // US number 650-253-0000, but entered with one additional digit at the end.
   1003     assertTrue(phoneUtil.truncateTooLongNumber(US_LONG_NUMBER));
   1004     assertEquals(US_NUMBER, US_LONG_NUMBER);
   1005 
   1006     // GB number 080 1234 5678, but entered with 4 extra digits at the end.
   1007     PhoneNumber tooLongNumber = new PhoneNumber();
   1008     tooLongNumber.setCountryCode(44).setNationalNumber(80123456780123L);
   1009     PhoneNumber validNumber = new PhoneNumber();
   1010     validNumber.setCountryCode(44).setNationalNumber(8012345678L);
   1011     assertTrue(phoneUtil.truncateTooLongNumber(tooLongNumber));
   1012     assertEquals(validNumber, tooLongNumber);
   1013 
   1014     // IT number 022 3456 7890, but entered with 3 extra digits at the end.
   1015     tooLongNumber.clear();
   1016     tooLongNumber.setCountryCode(39).setNationalNumber(2234567890123L).setItalianLeadingZero(true);
   1017     validNumber.clear();
   1018     validNumber.setCountryCode(39).setNationalNumber(2234567890L).setItalianLeadingZero(true);
   1019     assertTrue(phoneUtil.truncateTooLongNumber(tooLongNumber));
   1020     assertEquals(validNumber, tooLongNumber);
   1021 
   1022     // Tests what happens when a valid number is passed in.
   1023     PhoneNumber validNumberCopy = new PhoneNumber().mergeFrom(validNumber);
   1024     assertTrue(phoneUtil.truncateTooLongNumber(validNumber));
   1025     // Tests the number is not modified.
   1026     assertEquals(validNumberCopy, validNumber);
   1027 
   1028     // Tests what happens when a number with invalid prefix is passed in.
   1029     PhoneNumber numberWithInvalidPrefix = new PhoneNumber();
   1030     // The test metadata says US numbers cannot have prefix 240.
   1031     numberWithInvalidPrefix.setCountryCode(1).setNationalNumber(2401234567L);
   1032     PhoneNumber invalidNumberCopy = new PhoneNumber().mergeFrom(numberWithInvalidPrefix);
   1033     assertFalse(phoneUtil.truncateTooLongNumber(numberWithInvalidPrefix));
   1034     // Tests the number is not modified.
   1035     assertEquals(invalidNumberCopy, numberWithInvalidPrefix);
   1036 
   1037     // Tests what happens when a too short number is passed in.
   1038     PhoneNumber tooShortNumber = new PhoneNumber().setCountryCode(1).setNationalNumber(1234L);
   1039     PhoneNumber tooShortNumberCopy = new PhoneNumber().mergeFrom(tooShortNumber);
   1040     assertFalse(phoneUtil.truncateTooLongNumber(tooShortNumber));
   1041     // Tests the number is not modified.
   1042     assertEquals(tooShortNumberCopy, tooShortNumber);
   1043   }
   1044 
   1045   public void testIsViablePhoneNumber() {
   1046     // Only one or two digits before strange non-possible punctuation.
   1047     assertFalse(PhoneNumberUtil.isViablePhoneNumber("12. March"));
   1048     assertFalse(PhoneNumberUtil.isViablePhoneNumber("1+1+1"));
   1049     assertFalse(PhoneNumberUtil.isViablePhoneNumber("80+0"));
   1050     assertFalse(PhoneNumberUtil.isViablePhoneNumber("00"));
   1051     // Three digits is viable.
   1052     assertTrue(PhoneNumberUtil.isViablePhoneNumber("111"));
   1053     // Alpha numbers.
   1054     assertTrue(PhoneNumberUtil.isViablePhoneNumber("0800-4-pizza"));
   1055     assertTrue(PhoneNumberUtil.isViablePhoneNumber("0800-4-PIZZA"));
   1056   }
   1057 
   1058   public void testIsViablePhoneNumberNonAscii() {
   1059     // Only one or two digits before possible punctuation followed by more digits.
   1060     assertTrue(PhoneNumberUtil.isViablePhoneNumber("1\u300034"));
   1061     assertFalse(PhoneNumberUtil.isViablePhoneNumber("1\u30003+4"));
   1062     // Unicode variants of possible starting character and other allowed punctuation/digits.
   1063     assertTrue(PhoneNumberUtil.isViablePhoneNumber("\uFF081\uFF09\u30003456789"));
   1064     // Testing a leading + is okay.
   1065     assertTrue(PhoneNumberUtil.isViablePhoneNumber("+1\uFF09\u30003456789"));
   1066   }
   1067 
   1068   public void testExtractPossibleNumber() {
   1069     // Removes preceding funky punctuation and letters but leaves the rest untouched.
   1070     assertEquals("0800-345-600", PhoneNumberUtil.extractPossibleNumber("Tel:0800-345-600"));
   1071     assertEquals("0800 FOR PIZZA", PhoneNumberUtil.extractPossibleNumber("Tel:0800 FOR PIZZA"));
   1072     // Should not remove plus sign
   1073     assertEquals("+800-345-600", PhoneNumberUtil.extractPossibleNumber("Tel:+800-345-600"));
   1074     // Should recognise wide digits as possible start values.
   1075     assertEquals("\uFF10\uFF12\uFF13",
   1076                  PhoneNumberUtil.extractPossibleNumber("\uFF10\uFF12\uFF13"));
   1077     // Dashes are not possible start values and should be removed.
   1078     assertEquals("\uFF11\uFF12\uFF13",
   1079                  PhoneNumberUtil.extractPossibleNumber("Num-\uFF11\uFF12\uFF13"));
   1080     // If not possible number present, return empty string.
   1081     assertEquals("", PhoneNumberUtil.extractPossibleNumber("Num-...."));
   1082     // Leading brackets are stripped - these are not used when parsing.
   1083     assertEquals("650) 253-0000", PhoneNumberUtil.extractPossibleNumber("(650) 253-0000"));
   1084 
   1085     // Trailing non-alpha-numeric characters should be removed.
   1086     assertEquals("650) 253-0000", PhoneNumberUtil.extractPossibleNumber("(650) 253-0000..- .."));
   1087     assertEquals("650) 253-0000", PhoneNumberUtil.extractPossibleNumber("(650) 253-0000."));
   1088     // This case has a trailing RTL char.
   1089     assertEquals("650) 253-0000", PhoneNumberUtil.extractPossibleNumber("(650) 253-0000\u200F"));
   1090   }
   1091 
   1092   public void testMaybeStripNationalPrefix() {
   1093     PhoneMetadata metadata = new PhoneMetadata();
   1094     metadata.setNationalPrefixForParsing("34");
   1095     metadata.setGeneralDesc(new PhoneNumberDesc().setNationalNumberPattern("\\d{4,8}"));
   1096     StringBuilder numberToStrip = new StringBuilder("34356778");
   1097     String strippedNumber = "356778";
   1098     phoneUtil.maybeStripNationalPrefixAndCarrierCode(numberToStrip, metadata);
   1099     assertEquals("Should have had national prefix stripped.",
   1100                  strippedNumber, numberToStrip.toString());
   1101     // Retry stripping - now the number should not start with the national prefix, so no more
   1102     // stripping should occur.
   1103     phoneUtil.maybeStripNationalPrefixAndCarrierCode(numberToStrip, metadata);
   1104     assertEquals("Should have had no change - no national prefix present.",
   1105                  strippedNumber, numberToStrip.toString());
   1106     // Some countries have no national prefix. Repeat test with none specified.
   1107     metadata.setNationalPrefixForParsing("");
   1108     phoneUtil.maybeStripNationalPrefixAndCarrierCode(numberToStrip, metadata);
   1109     assertEquals("Should not strip anything with empty national prefix.",
   1110                  strippedNumber, numberToStrip.toString());
   1111     // If the resultant number doesn't match the national rule, it shouldn't be stripped.
   1112     metadata.setNationalPrefixForParsing("3");
   1113     numberToStrip = new StringBuilder("3123");
   1114     strippedNumber = "3123";
   1115     phoneUtil.maybeStripNationalPrefixAndCarrierCode(numberToStrip, metadata);
   1116     assertEquals("Should have had no change - after stripping, it wouldn't have matched " +
   1117                  "the national rule.",
   1118                  strippedNumber, numberToStrip.toString());
   1119     // Test extracting carrier selection code.
   1120     metadata.setNationalPrefixForParsing("0(81)?");
   1121     numberToStrip = new StringBuilder("08122123456");
   1122     strippedNumber = "22123456";
   1123     assertEquals("81", phoneUtil.maybeStripNationalPrefixAndCarrierCode(numberToStrip, metadata));
   1124     assertEquals("Should have had national prefix and carrier code stripped.",
   1125                  strippedNumber, numberToStrip.toString());
   1126     // If there was a transform rule, check it was applied.
   1127     metadata.setNationalPrefixTransformRule("5$15");
   1128     // Note that a capturing group is present here.
   1129     metadata.setNationalPrefixForParsing("0(\\d{2})");
   1130     numberToStrip = new StringBuilder("031123");
   1131     String transformedNumber = "5315123";
   1132     phoneUtil.maybeStripNationalPrefixAndCarrierCode(numberToStrip, metadata);
   1133     assertEquals("Should transform the 031 to a 5315.",
   1134                  transformedNumber, numberToStrip.toString());
   1135   }
   1136 
   1137   public void testMaybeStripInternationalPrefix() {
   1138     String internationalPrefix = "00[39]";
   1139     StringBuilder numberToStrip = new StringBuilder("0034567700-3898003");
   1140     // Note the dash is removed as part of the normalization.
   1141     StringBuilder strippedNumber = new StringBuilder("45677003898003");
   1142     assertEquals(CountryCodeSource.FROM_NUMBER_WITH_IDD,
   1143                  phoneUtil.maybeStripInternationalPrefixAndNormalize(numberToStrip,
   1144                                                                      internationalPrefix));
   1145     assertEquals("The number supplied was not stripped of its international prefix.",
   1146                  strippedNumber.toString(), numberToStrip.toString());
   1147     // Now the number no longer starts with an IDD prefix, so it should now report
   1148     // FROM_DEFAULT_COUNTRY.
   1149     assertEquals(CountryCodeSource.FROM_DEFAULT_COUNTRY,
   1150                  phoneUtil.maybeStripInternationalPrefixAndNormalize(numberToStrip,
   1151                                                                      internationalPrefix));
   1152 
   1153     numberToStrip = new StringBuilder("00945677003898003");
   1154     assertEquals(CountryCodeSource.FROM_NUMBER_WITH_IDD,
   1155                  phoneUtil.maybeStripInternationalPrefixAndNormalize(numberToStrip,
   1156                                                                      internationalPrefix));
   1157     assertEquals("The number supplied was not stripped of its international prefix.",
   1158                  strippedNumber.toString(), numberToStrip.toString());
   1159     // Test it works when the international prefix is broken up by spaces.
   1160     numberToStrip = new StringBuilder("00 9 45677003898003");
   1161     assertEquals(CountryCodeSource.FROM_NUMBER_WITH_IDD,
   1162                  phoneUtil.maybeStripInternationalPrefixAndNormalize(numberToStrip,
   1163                                                                      internationalPrefix));
   1164     assertEquals("The number supplied was not stripped of its international prefix.",
   1165                  strippedNumber.toString(), numberToStrip.toString());
   1166     // Now the number no longer starts with an IDD prefix, so it should now report
   1167     // FROM_DEFAULT_COUNTRY.
   1168     assertEquals(CountryCodeSource.FROM_DEFAULT_COUNTRY,
   1169                  phoneUtil.maybeStripInternationalPrefixAndNormalize(numberToStrip,
   1170                                                                      internationalPrefix));
   1171 
   1172     // Test the + symbol is also recognised and stripped.
   1173     numberToStrip = new StringBuilder("+45677003898003");
   1174     strippedNumber = new StringBuilder("45677003898003");
   1175     assertEquals(CountryCodeSource.FROM_NUMBER_WITH_PLUS_SIGN,
   1176                  phoneUtil.maybeStripInternationalPrefixAndNormalize(numberToStrip,
   1177                                                                      internationalPrefix));
   1178     assertEquals("The number supplied was not stripped of the plus symbol.",
   1179                  strippedNumber.toString(), numberToStrip.toString());
   1180 
   1181     // If the number afterwards is a zero, we should not strip this - no country calling code begins
   1182     // with 0.
   1183     numberToStrip = new StringBuilder("0090112-3123");
   1184     strippedNumber = new StringBuilder("00901123123");
   1185     assertEquals(CountryCodeSource.FROM_DEFAULT_COUNTRY,
   1186                  phoneUtil.maybeStripInternationalPrefixAndNormalize(numberToStrip,
   1187                                                                      internationalPrefix));
   1188     assertEquals("The number supplied had a 0 after the match so shouldn't be stripped.",
   1189                  strippedNumber.toString(), numberToStrip.toString());
   1190     // Here the 0 is separated by a space from the IDD.
   1191     numberToStrip = new StringBuilder("009 0-112-3123");
   1192     assertEquals(CountryCodeSource.FROM_DEFAULT_COUNTRY,
   1193                  phoneUtil.maybeStripInternationalPrefixAndNormalize(numberToStrip,
   1194                                                                      internationalPrefix));
   1195   }
   1196 
   1197   public void testMaybeExtractCountryCode() {
   1198     PhoneNumber number = new PhoneNumber();
   1199     PhoneMetadata metadata = phoneUtil.getMetadataForRegion(RegionCode.US);
   1200     // Note that for the US, the IDD is 011.
   1201     try {
   1202       String phoneNumber = "011112-3456789";
   1203       String strippedNumber = "123456789";
   1204       int countryCallingCode = 1;
   1205       StringBuilder numberToFill = new StringBuilder();
   1206       assertEquals("Did not extract country calling code " + countryCallingCode + " correctly.",
   1207                    countryCallingCode,
   1208                    phoneUtil.maybeExtractCountryCode(phoneNumber, metadata, numberToFill, true,
   1209                                                      number));
   1210       assertEquals("Did not figure out CountryCodeSource correctly",
   1211                    CountryCodeSource.FROM_NUMBER_WITH_IDD, number.getCountryCodeSource());
   1212       // Should strip and normalize national significant number.
   1213       assertEquals("Did not strip off the country calling code correctly.",
   1214                    strippedNumber,
   1215                    numberToFill.toString());
   1216     } catch (NumberParseException e) {
   1217       fail("Should not have thrown an exception: " + e.toString());
   1218     }
   1219     number.clear();
   1220     try {
   1221       String phoneNumber = "+6423456789";
   1222       int countryCallingCode = 64;
   1223       StringBuilder numberToFill = new StringBuilder();
   1224       assertEquals("Did not extract country calling code " + countryCallingCode + " correctly.",
   1225                    countryCallingCode,
   1226                    phoneUtil.maybeExtractCountryCode(phoneNumber, metadata, numberToFill, true,
   1227                                                      number));
   1228       assertEquals("Did not figure out CountryCodeSource correctly",
   1229                    CountryCodeSource.FROM_NUMBER_WITH_PLUS_SIGN, number.getCountryCodeSource());
   1230     } catch (NumberParseException e) {
   1231       fail("Should not have thrown an exception: " + e.toString());
   1232     }
   1233     number.clear();
   1234     try {
   1235       String phoneNumber = "2345-6789";
   1236       StringBuilder numberToFill = new StringBuilder();
   1237       assertEquals(
   1238           "Should not have extracted a country calling code - no international prefix present.",
   1239           0,
   1240           phoneUtil.maybeExtractCountryCode(phoneNumber, metadata, numberToFill, true, number));
   1241       assertEquals("Did not figure out CountryCodeSource correctly",
   1242                    CountryCodeSource.FROM_DEFAULT_COUNTRY, number.getCountryCodeSource());
   1243     } catch (NumberParseException e) {
   1244       fail("Should not have thrown an exception: " + e.toString());
   1245     }
   1246     number.clear();
   1247     try {
   1248       String phoneNumber = "0119991123456789";
   1249       StringBuilder numberToFill = new StringBuilder();
   1250       phoneUtil.maybeExtractCountryCode(phoneNumber, metadata, numberToFill, true, number);
   1251       fail("Should have thrown an exception, no valid country calling code present.");
   1252     } catch (NumberParseException e) {
   1253       // Expected.
   1254       assertEquals("Wrong error type stored in exception.",
   1255                    NumberParseException.ErrorType.INVALID_COUNTRY_CODE,
   1256                    e.getErrorType());
   1257     }
   1258     number.clear();
   1259     try {
   1260       String phoneNumber = "(1 610) 619 4466";
   1261       int countryCallingCode = 1;
   1262       StringBuilder numberToFill = new StringBuilder();
   1263       assertEquals("Should have extracted the country calling code of the region passed in",
   1264                    countryCallingCode,
   1265                    phoneUtil.maybeExtractCountryCode(phoneNumber, metadata, numberToFill, true,
   1266                                                      number));
   1267       assertEquals("Did not figure out CountryCodeSource correctly",
   1268                    CountryCodeSource.FROM_NUMBER_WITHOUT_PLUS_SIGN,
   1269                    number.getCountryCodeSource());
   1270     } catch (NumberParseException e) {
   1271       fail("Should not have thrown an exception: " + e.toString());
   1272     }
   1273     number.clear();
   1274     try {
   1275       String phoneNumber = "(1 610) 619 4466";
   1276       int countryCallingCode = 1;
   1277       StringBuilder numberToFill = new StringBuilder();
   1278       assertEquals("Should have extracted the country calling code of the region passed in",
   1279                    countryCallingCode,
   1280                    phoneUtil.maybeExtractCountryCode(phoneNumber, metadata, numberToFill, false,
   1281                                                      number));
   1282       assertFalse("Should not contain CountryCodeSource.", number.hasCountryCodeSource());
   1283     } catch (NumberParseException e) {
   1284       fail("Should not have thrown an exception: " + e.toString());
   1285     }
   1286     number.clear();
   1287     try {
   1288       String phoneNumber = "(1 610) 619 446";
   1289       StringBuilder numberToFill = new StringBuilder();
   1290       assertEquals("Should not have extracted a country calling code - invalid number after " +
   1291                    "extraction of uncertain country calling code.",
   1292                    0,
   1293                    phoneUtil.maybeExtractCountryCode(phoneNumber, metadata, numberToFill, false,
   1294                                                      number));
   1295       assertFalse("Should not contain CountryCodeSource.", number.hasCountryCodeSource());
   1296     } catch (NumberParseException e) {
   1297       fail("Should not have thrown an exception: " + e.toString());
   1298     }
   1299     number.clear();
   1300     try {
   1301       String phoneNumber = "(1 610) 619";
   1302       StringBuilder numberToFill = new StringBuilder();
   1303       assertEquals("Should not have extracted a country calling code - too short number both " +
   1304                    "before and after extraction of uncertain country calling code.",
   1305                    0,
   1306                    phoneUtil.maybeExtractCountryCode(phoneNumber, metadata, numberToFill, true,
   1307                                                      number));
   1308       assertEquals("Did not figure out CountryCodeSource correctly",
   1309                    CountryCodeSource.FROM_DEFAULT_COUNTRY, number.getCountryCodeSource());
   1310     } catch (NumberParseException e) {
   1311       fail("Should not have thrown an exception: " + e.toString());
   1312     }
   1313   }
   1314 
   1315   public void testParseNationalNumber() throws Exception {
   1316     // National prefix attached.
   1317     assertEquals(NZ_NUMBER, phoneUtil.parse("033316005", RegionCode.NZ));
   1318     assertEquals(NZ_NUMBER, phoneUtil.parse("33316005", RegionCode.NZ));
   1319     // National prefix attached and some formatting present.
   1320     assertEquals(NZ_NUMBER, phoneUtil.parse("03-331 6005", RegionCode.NZ));
   1321     assertEquals(NZ_NUMBER, phoneUtil.parse("03 331 6005", RegionCode.NZ));
   1322 
   1323     // Testing international prefixes.
   1324     // Should strip country calling code.
   1325     assertEquals(NZ_NUMBER, phoneUtil.parse("0064 3 331 6005", RegionCode.NZ));
   1326     // Try again, but this time we have an international number with Region Code US. It should
   1327     // recognise the country calling code and parse accordingly.
   1328     assertEquals(NZ_NUMBER, phoneUtil.parse("01164 3 331 6005", RegionCode.US));
   1329     assertEquals(NZ_NUMBER, phoneUtil.parse("+64 3 331 6005", RegionCode.US));
   1330 
   1331     PhoneNumber nzNumber = new PhoneNumber();
   1332     nzNumber.setCountryCode(64).setNationalNumber(64123456L);
   1333     assertEquals(nzNumber, phoneUtil.parse("64(0)64123456", RegionCode.NZ));
   1334     // Check that using a "/" is fine in a phone number.
   1335     assertEquals(DE_NUMBER, phoneUtil.parse("301/23456", RegionCode.DE));
   1336 
   1337     PhoneNumber usNumber = new PhoneNumber();
   1338     // Check it doesn't use the '1' as a country calling code when parsing if the phone number was
   1339     // already possible.
   1340     usNumber.setCountryCode(1).setNationalNumber(1234567890L);
   1341     assertEquals(usNumber, phoneUtil.parse("123-456-7890", RegionCode.US));
   1342   }
   1343 
   1344   public void testParseNumberWithAlphaCharacters() throws Exception {
   1345     // Test case with alpha characters.
   1346     PhoneNumber tollfreeNumber = new PhoneNumber();
   1347     tollfreeNumber.setCountryCode(64).setNationalNumber(800332005L);
   1348     assertEquals(tollfreeNumber, phoneUtil.parse("0800 DDA 005", RegionCode.NZ));
   1349     PhoneNumber premiumNumber = new PhoneNumber();
   1350     premiumNumber.setCountryCode(64).setNationalNumber(9003326005L);
   1351     assertEquals(premiumNumber, phoneUtil.parse("0900 DDA 6005", RegionCode.NZ));
   1352     // Not enough alpha characters for them to be considered intentional, so they are stripped.
   1353     assertEquals(premiumNumber, phoneUtil.parse("0900 332 6005a", RegionCode.NZ));
   1354     assertEquals(premiumNumber, phoneUtil.parse("0900 332 600a5", RegionCode.NZ));
   1355     assertEquals(premiumNumber, phoneUtil.parse("0900 332 600A5", RegionCode.NZ));
   1356     assertEquals(premiumNumber, phoneUtil.parse("0900 a332 600A5", RegionCode.NZ));
   1357   }
   1358 
   1359   public void testParseWithInternationalPrefixes() throws Exception {
   1360     assertEquals(US_NUMBER, phoneUtil.parse("+1 (650) 253-0000", RegionCode.NZ));
   1361     assertEquals(US_NUMBER, phoneUtil.parse("1-650-253-0000", RegionCode.US));
   1362     // Calling the US number from Singapore by using different service providers
   1363     // 1st test: calling using SingTel IDD service (IDD is 001)
   1364     assertEquals(US_NUMBER, phoneUtil.parse("0011-650-253-0000", RegionCode.SG));
   1365     // 2nd test: calling using StarHub IDD service (IDD is 008)
   1366     assertEquals(US_NUMBER, phoneUtil.parse("0081-650-253-0000", RegionCode.SG));
   1367     // 3rd test: calling using SingTel V019 service (IDD is 019)
   1368     assertEquals(US_NUMBER, phoneUtil.parse("0191-650-253-0000", RegionCode.SG));
   1369     // Calling the US number from Poland
   1370     assertEquals(US_NUMBER, phoneUtil.parse("0~01-650-253-0000", RegionCode.PL));
   1371     // Using "++" at the start.
   1372     assertEquals(US_NUMBER, phoneUtil.parse("++1 (650) 253-0000", RegionCode.PL));
   1373   }
   1374 
   1375   public void testParseNonAscii() throws Exception {
   1376     // Using a full-width plus sign.
   1377     assertEquals(US_NUMBER, phoneUtil.parse("\uFF0B1 (650) 253-0000", RegionCode.SG));
   1378     // The whole number, including punctuation, is here represented in full-width form.
   1379     assertEquals(US_NUMBER, phoneUtil.parse("\uFF0B\uFF11\u3000\uFF08\uFF16\uFF15\uFF10\uFF09" +
   1380                                             "\u3000\uFF12\uFF15\uFF13\uFF0D\uFF10\uFF10\uFF10" +
   1381                                             "\uFF10",
   1382                                             RegionCode.SG));
   1383     // Using U+30FC dash instead.
   1384     assertEquals(US_NUMBER, phoneUtil.parse("\uFF0B\uFF11\u3000\uFF08\uFF16\uFF15\uFF10\uFF09" +
   1385                                             "\u3000\uFF12\uFF15\uFF13\u30FC\uFF10\uFF10\uFF10" +
   1386                                             "\uFF10",
   1387                                             RegionCode.SG));
   1388 
   1389     // Using a very strange decimal digit range (Mongolian digits).
   1390     assertEquals(US_NUMBER, phoneUtil.parse("\u1811 \u1816\u1815\u1810 " +
   1391                                             "\u1812\u1815\u1813 \u1810\u1810\u1810\u1810",
   1392                                             RegionCode.US));
   1393   }
   1394 
   1395   public void testParseWithLeadingZero() throws Exception {
   1396     assertEquals(IT_NUMBER, phoneUtil.parse("+39 02-36618 300", RegionCode.NZ));
   1397     assertEquals(IT_NUMBER, phoneUtil.parse("02-36618 300", RegionCode.IT));
   1398 
   1399     assertEquals(IT_MOBILE, phoneUtil.parse("345 678 901", RegionCode.IT));
   1400   }
   1401 
   1402   public void testParseNationalNumberArgentina() throws Exception {
   1403     // Test parsing mobile numbers of Argentina.
   1404     PhoneNumber arNumber = new PhoneNumber();
   1405     arNumber.setCountryCode(54).setNationalNumber(93435551212L);
   1406     assertEquals(arNumber, phoneUtil.parse("+54 9 343 555 1212", RegionCode.AR));
   1407     assertEquals(arNumber, phoneUtil.parse("0343 15 555 1212", RegionCode.AR));
   1408 
   1409     arNumber.clear();
   1410     arNumber.setCountryCode(54).setNationalNumber(93715654320L);
   1411     assertEquals(arNumber, phoneUtil.parse("+54 9 3715 65 4320", RegionCode.AR));
   1412     assertEquals(arNumber, phoneUtil.parse("03715 15 65 4320", RegionCode.AR));
   1413     assertEquals(AR_MOBILE, phoneUtil.parse("911 876 54321", RegionCode.AR));
   1414 
   1415     // Test parsing fixed-line numbers of Argentina.
   1416     assertEquals(AR_NUMBER, phoneUtil.parse("+54 11 8765 4321", RegionCode.AR));
   1417     assertEquals(AR_NUMBER, phoneUtil.parse("011 8765 4321", RegionCode.AR));
   1418 
   1419     arNumber.clear();
   1420     arNumber.setCountryCode(54).setNationalNumber(3715654321L);
   1421     assertEquals(arNumber, phoneUtil.parse("+54 3715 65 4321", RegionCode.AR));
   1422     assertEquals(arNumber, phoneUtil.parse("03715 65 4321", RegionCode.AR));
   1423 
   1424     arNumber.clear();
   1425     arNumber.setCountryCode(54).setNationalNumber(2312340000L);
   1426     assertEquals(arNumber, phoneUtil.parse("+54 23 1234 0000", RegionCode.AR));
   1427     assertEquals(arNumber, phoneUtil.parse("023 1234 0000", RegionCode.AR));
   1428   }
   1429 
   1430   public void testParseWithXInNumber() throws Exception {
   1431     // Test that having an 'x' in the phone number at the start is ok and that it just gets removed.
   1432     assertEquals(AR_NUMBER, phoneUtil.parse("01187654321", RegionCode.AR));
   1433     assertEquals(AR_NUMBER, phoneUtil.parse("(0) 1187654321", RegionCode.AR));
   1434     assertEquals(AR_NUMBER, phoneUtil.parse("0 1187654321", RegionCode.AR));
   1435     assertEquals(AR_NUMBER, phoneUtil.parse("(0xx) 1187654321", RegionCode.AR));
   1436     PhoneNumber arFromUs = new PhoneNumber();
   1437     arFromUs.setCountryCode(54).setNationalNumber(81429712L);
   1438     // This test is intentionally constructed such that the number of digit after xx is larger than
   1439     // 7, so that the number won't be mistakenly treated as an extension, as we allow extensions up
   1440     // to 7 digits. This assumption is okay for now as all the countries where a carrier selection
   1441     // code is written in the form of xx have a national significant number of length larger than 7.
   1442     assertEquals(arFromUs, phoneUtil.parse("011xx5481429712", RegionCode.US));
   1443   }
   1444 
   1445   public void testParseNumbersMexico() throws Exception {
   1446     // Test parsing fixed-line numbers of Mexico.
   1447     PhoneNumber mxNumber = new PhoneNumber();
   1448     mxNumber.setCountryCode(52).setNationalNumber(4499780001L);
   1449     assertEquals(mxNumber, phoneUtil.parse("+52 (449)978-0001", RegionCode.MX));
   1450     assertEquals(mxNumber, phoneUtil.parse("01 (449)978-0001", RegionCode.MX));
   1451     assertEquals(mxNumber, phoneUtil.parse("(449)978-0001", RegionCode.MX));
   1452 
   1453     // Test parsing mobile numbers of Mexico.
   1454     mxNumber.clear();
   1455     mxNumber.setCountryCode(52).setNationalNumber(13312345678L);
   1456     assertEquals(mxNumber, phoneUtil.parse("+52 1 33 1234-5678", RegionCode.MX));
   1457     assertEquals(mxNumber, phoneUtil.parse("044 (33) 1234-5678", RegionCode.MX));
   1458     assertEquals(mxNumber, phoneUtil.parse("045 33 1234-5678", RegionCode.MX));
   1459   }
   1460 
   1461   public void testFailedParseOnInvalidNumbers() {
   1462     try {
   1463       String sentencePhoneNumber = "This is not a phone number";
   1464       phoneUtil.parse(sentencePhoneNumber, RegionCode.NZ);
   1465       fail("This should not parse without throwing an exception " + sentencePhoneNumber);
   1466     } catch (NumberParseException e) {
   1467       // Expected this exception.
   1468       assertEquals("Wrong error type stored in exception.",
   1469                    NumberParseException.ErrorType.NOT_A_NUMBER,
   1470                    e.getErrorType());
   1471     }
   1472     try {
   1473       String tooLongPhoneNumber = "01495 72553301873 810104";
   1474       phoneUtil.parse(tooLongPhoneNumber, RegionCode.GB);
   1475       fail("This should not parse without throwing an exception " + tooLongPhoneNumber);
   1476     } catch (NumberParseException e) {
   1477       // Expected this exception.
   1478       assertEquals("Wrong error type stored in exception.",
   1479                    NumberParseException.ErrorType.TOO_LONG,
   1480                    e.getErrorType());
   1481     }
   1482     try {
   1483       String plusMinusPhoneNumber = "+---";
   1484       phoneUtil.parse(plusMinusPhoneNumber, RegionCode.DE);
   1485       fail("This should not parse without throwing an exception " + plusMinusPhoneNumber);
   1486     } catch (NumberParseException e) {
   1487       // Expected this exception.
   1488       assertEquals("Wrong error type stored in exception.",
   1489                    NumberParseException.ErrorType.NOT_A_NUMBER,
   1490                    e.getErrorType());
   1491     }
   1492     try {
   1493       String tooShortPhoneNumber = "+49 0";
   1494       phoneUtil.parse(tooShortPhoneNumber, RegionCode.DE);
   1495       fail("This should not parse without throwing an exception " + tooShortPhoneNumber);
   1496     } catch (NumberParseException e) {
   1497       // Expected this exception.
   1498       assertEquals("Wrong error type stored in exception.",
   1499                    NumberParseException.ErrorType.TOO_SHORT_NSN,
   1500                    e.getErrorType());
   1501     }
   1502     try {
   1503       String invalidCountryCode = "+210 3456 56789";
   1504       phoneUtil.parse(invalidCountryCode, RegionCode.NZ);
   1505       fail("This is not a recognised region code: should fail: " + invalidCountryCode);
   1506     } catch (NumberParseException e) {
   1507       // Expected this exception.
   1508       assertEquals("Wrong error type stored in exception.",
   1509                    NumberParseException.ErrorType.INVALID_COUNTRY_CODE,
   1510                    e.getErrorType());
   1511     }
   1512     try {
   1513       String someNumber = "123 456 7890";
   1514       phoneUtil.parse(someNumber, RegionCode.ZZ);
   1515       fail("'Unknown' region code not allowed: should fail.");
   1516     } catch (NumberParseException e) {
   1517       // Expected this exception.
   1518       assertEquals("Wrong error type stored in exception.",
   1519                    NumberParseException.ErrorType.INVALID_COUNTRY_CODE,
   1520                    e.getErrorType());
   1521     }
   1522     try {
   1523       String someNumber = "123 456 7890";
   1524       phoneUtil.parse(someNumber, RegionCode.CS);
   1525       fail("Deprecated region code not allowed: should fail.");
   1526     } catch (NumberParseException e) {
   1527       // Expected this exception.
   1528       assertEquals("Wrong error type stored in exception.",
   1529                    NumberParseException.ErrorType.INVALID_COUNTRY_CODE,
   1530                    e.getErrorType());
   1531     }
   1532     try {
   1533       String someNumber = "123 456 7890";
   1534       phoneUtil.parse(someNumber, null);
   1535       fail("Null region code not allowed: should fail.");
   1536     } catch (NumberParseException e) {
   1537       // Expected this exception.
   1538       assertEquals("Wrong error type stored in exception.",
   1539                    NumberParseException.ErrorType.INVALID_COUNTRY_CODE,
   1540                    e.getErrorType());
   1541     }
   1542     try {
   1543       String someNumber = "0044------";
   1544       phoneUtil.parse(someNumber, RegionCode.GB);
   1545       fail("No number provided, only region code: should fail");
   1546     } catch (NumberParseException e) {
   1547       // Expected this exception.
   1548       assertEquals("Wrong error type stored in exception.",
   1549                    NumberParseException.ErrorType.TOO_SHORT_AFTER_IDD,
   1550                    e.getErrorType());
   1551     }
   1552     try {
   1553       String someNumber = "0044";
   1554       phoneUtil.parse(someNumber, RegionCode.GB);
   1555       fail("No number provided, only region code: should fail");
   1556     } catch (NumberParseException e) {
   1557       // Expected this exception.
   1558       assertEquals("Wrong error type stored in exception.",
   1559                    NumberParseException.ErrorType.TOO_SHORT_AFTER_IDD,
   1560                    e.getErrorType());
   1561     }
   1562     try {
   1563       String someNumber = "011";
   1564       phoneUtil.parse(someNumber, RegionCode.US);
   1565       fail("Only IDD provided - should fail.");
   1566     } catch (NumberParseException e) {
   1567       // Expected this exception.
   1568       assertEquals("Wrong error type stored in exception.",
   1569                    NumberParseException.ErrorType.TOO_SHORT_AFTER_IDD,
   1570                    e.getErrorType());
   1571     }
   1572     try {
   1573       String someNumber = "0119";
   1574       phoneUtil.parse(someNumber, RegionCode.US);
   1575       fail("Only IDD provided and then 9 - should fail.");
   1576     } catch (NumberParseException e) {
   1577       // Expected this exception.
   1578       assertEquals("Wrong error type stored in exception.",
   1579                    NumberParseException.ErrorType.TOO_SHORT_AFTER_IDD,
   1580                    e.getErrorType());
   1581     }
   1582     try {
   1583       String emptyNumber = "";
   1584       // Invalid region.
   1585       phoneUtil.parse(emptyNumber, RegionCode.ZZ);
   1586       fail("Empty string - should fail.");
   1587     } catch (NumberParseException e) {
   1588       // Expected this exception.
   1589       assertEquals("Wrong error type stored in exception.",
   1590                    NumberParseException.ErrorType.NOT_A_NUMBER,
   1591                    e.getErrorType());
   1592     }
   1593     try {
   1594       String nullNumber = null;
   1595       // Invalid region.
   1596       phoneUtil.parse(nullNumber, RegionCode.ZZ);
   1597       fail("Null string - should fail.");
   1598     } catch (NumberParseException e) {
   1599       // Expected this exception.
   1600       assertEquals("Wrong error type stored in exception.",
   1601                    NumberParseException.ErrorType.NOT_A_NUMBER,
   1602                    e.getErrorType());
   1603     } catch (NullPointerException e) {
   1604       fail("Null string - but should not throw a null pointer exception.");
   1605     }
   1606     try {
   1607       String nullNumber = null;
   1608       phoneUtil.parse(nullNumber, RegionCode.US);
   1609       fail("Null string - should fail.");
   1610     } catch (NumberParseException e) {
   1611       // Expected this exception.
   1612       assertEquals("Wrong error type stored in exception.",
   1613                    NumberParseException.ErrorType.NOT_A_NUMBER,
   1614                    e.getErrorType());
   1615     } catch (NullPointerException e) {
   1616       fail("Null string - but should not throw a null pointer exception.");
   1617     }
   1618   }
   1619 
   1620   public void testParseNumbersWithPlusWithNoRegion() throws Exception {
   1621     // RegionCode.ZZ is allowed only if the number starts with a '+' - then the country calling code
   1622     // can be calculated.
   1623     assertEquals(NZ_NUMBER, phoneUtil.parse("+64 3 331 6005", RegionCode.ZZ));
   1624     // Test with full-width plus.
   1625     assertEquals(NZ_NUMBER, phoneUtil.parse("\uFF0B64 3 331 6005", RegionCode.ZZ));
   1626     // Test with normal plus but leading characters that need to be stripped.
   1627     assertEquals(NZ_NUMBER, phoneUtil.parse("Tel: +64 3 331 6005", RegionCode.ZZ));
   1628     assertEquals(NZ_NUMBER, phoneUtil.parse("+64 3 331 6005", null));
   1629 
   1630     // It is important that we set the carrier code to an empty string, since we used
   1631     // ParseAndKeepRawInput and no carrier code was found.
   1632     PhoneNumber nzNumberWithRawInput = new PhoneNumber().mergeFrom(NZ_NUMBER).
   1633         setRawInput("+64 3 331 6005").
   1634         setCountryCodeSource(CountryCodeSource.FROM_NUMBER_WITH_PLUS_SIGN).
   1635         setPreferredDomesticCarrierCode("");
   1636     assertEquals(nzNumberWithRawInput, phoneUtil.parseAndKeepRawInput("+64 3 331 6005",
   1637                                                                       RegionCode.ZZ));
   1638     // Null is also allowed for the region code in these cases.
   1639     assertEquals(nzNumberWithRawInput, phoneUtil.parseAndKeepRawInput("+64 3 331 6005", null));
   1640   }
   1641 
   1642   public void testParseExtensions() throws Exception {
   1643     PhoneNumber nzNumber = new PhoneNumber();
   1644     nzNumber.setCountryCode(64).setNationalNumber(33316005L).setExtension("3456");
   1645     assertEquals(nzNumber, phoneUtil.parse("03 331 6005 ext 3456", RegionCode.NZ));
   1646     assertEquals(nzNumber, phoneUtil.parse("03-3316005x3456", RegionCode.NZ));
   1647     assertEquals(nzNumber, phoneUtil.parse("03-3316005 int.3456", RegionCode.NZ));
   1648     assertEquals(nzNumber, phoneUtil.parse("03 3316005 #3456", RegionCode.NZ));
   1649     // Test the following do not extract extensions:
   1650     assertEquals(ALPHA_NUMERIC_NUMBER, phoneUtil.parse("1800 six-flags", RegionCode.US));
   1651     assertEquals(ALPHA_NUMERIC_NUMBER, phoneUtil.parse("1800 SIX FLAGS", RegionCode.US));
   1652     assertEquals(ALPHA_NUMERIC_NUMBER, phoneUtil.parse("0~0 1800 7493 5247", RegionCode.PL));
   1653     assertEquals(ALPHA_NUMERIC_NUMBER, phoneUtil.parse("(1800) 7493.5247", RegionCode.US));
   1654     // Check that the last instance of an extension token is matched.
   1655     PhoneNumber extnNumber = new PhoneNumber().mergeFrom(ALPHA_NUMERIC_NUMBER).setExtension("1234");
   1656     assertEquals(extnNumber, phoneUtil.parse("0~0 1800 7493 5247 ~1234", RegionCode.PL));
   1657     // Verifying bug-fix where the last digit of a number was previously omitted if it was a 0 when
   1658     // extracting the extension. Also verifying a few different cases of extensions.
   1659     PhoneNumber ukNumber = new PhoneNumber();
   1660     ukNumber.setCountryCode(44).setNationalNumber(2034567890L).setExtension("456");
   1661     assertEquals(ukNumber, phoneUtil.parse("+44 2034567890x456", RegionCode.NZ));
   1662     assertEquals(ukNumber, phoneUtil.parse("+44 2034567890x456", RegionCode.GB));
   1663     assertEquals(ukNumber, phoneUtil.parse("+44 2034567890 x456", RegionCode.GB));
   1664     assertEquals(ukNumber, phoneUtil.parse("+44 2034567890 X456", RegionCode.GB));
   1665     assertEquals(ukNumber, phoneUtil.parse("+44 2034567890 X 456", RegionCode.GB));
   1666     assertEquals(ukNumber, phoneUtil.parse("+44 2034567890 X  456", RegionCode.GB));
   1667     assertEquals(ukNumber, phoneUtil.parse("+44 2034567890 x 456  ", RegionCode.GB));
   1668     assertEquals(ukNumber, phoneUtil.parse("+44 2034567890  X 456", RegionCode.GB));
   1669     assertEquals(ukNumber, phoneUtil.parse("+44-2034567890;ext=456", RegionCode.GB));
   1670 
   1671     PhoneNumber usWithExtension = new PhoneNumber();
   1672     usWithExtension.setCountryCode(1).setNationalNumber(8009013355L).setExtension("7246433");
   1673     assertEquals(usWithExtension, phoneUtil.parse("(800) 901-3355 x 7246433", RegionCode.US));
   1674     assertEquals(usWithExtension, phoneUtil.parse("(800) 901-3355 , ext 7246433", RegionCode.US));
   1675     assertEquals(usWithExtension,
   1676                  phoneUtil.parse("(800) 901-3355 ,extension 7246433", RegionCode.US));
   1677     assertEquals(usWithExtension,
   1678                  phoneUtil.parse("(800) 901-3355 ,extensi\u00F3n 7246433", RegionCode.US));
   1679     // Repeat with the small letter o with acute accent created by combining characters.
   1680     assertEquals(usWithExtension,
   1681                  phoneUtil.parse("(800) 901-3355 ,extensio\u0301n 7246433", RegionCode.US));
   1682     assertEquals(usWithExtension, phoneUtil.parse("(800) 901-3355 , 7246433", RegionCode.US));
   1683     assertEquals(usWithExtension, phoneUtil.parse("(800) 901-3355 ext: 7246433", RegionCode.US));
   1684 
   1685     // Test that if a number has two extensions specified, we ignore the second.
   1686     PhoneNumber usWithTwoExtensionsNumber = new PhoneNumber();
   1687     usWithTwoExtensionsNumber.setCountryCode(1).setNationalNumber(2121231234L).setExtension("508");
   1688     assertEquals(usWithTwoExtensionsNumber, phoneUtil.parse("(212)123-1234 x508/x1234",
   1689                                                             RegionCode.US));
   1690     assertEquals(usWithTwoExtensionsNumber, phoneUtil.parse("(212)123-1234 x508/ x1234",
   1691                                                             RegionCode.US));
   1692     assertEquals(usWithTwoExtensionsNumber, phoneUtil.parse("(212)123-1234 x508\\x1234",
   1693                                                             RegionCode.US));
   1694 
   1695     // Test parsing numbers in the form (645) 123-1234-910# works, where the last 3 digits before
   1696     // the # are an extension.
   1697     usWithExtension.clear();
   1698     usWithExtension.setCountryCode(1).setNationalNumber(6451231234L).setExtension("910");
   1699     assertEquals(usWithExtension, phoneUtil.parse("+1 (645) 123 1234-910#", RegionCode.US));
   1700     // Retry with the same number in a slightly different format.
   1701     assertEquals(usWithExtension, phoneUtil.parse("+1 (645) 123 1234 ext. 910#", RegionCode.US));
   1702   }
   1703 
   1704   public void testParseAndKeepRaw() throws Exception {
   1705     PhoneNumber alphaNumericNumber = new PhoneNumber().mergeFrom(ALPHA_NUMERIC_NUMBER).
   1706         setRawInput("800 six-flags").
   1707         setCountryCodeSource(CountryCodeSource.FROM_DEFAULT_COUNTRY).
   1708         setPreferredDomesticCarrierCode("");
   1709     assertEquals(alphaNumericNumber,
   1710                  phoneUtil.parseAndKeepRawInput("800 six-flags", RegionCode.US));
   1711 
   1712     PhoneNumber shorterAlphaNumber = new PhoneNumber().
   1713         setCountryCode(1).setNationalNumber(8007493524L).
   1714         setRawInput("1800 six-flag").
   1715         setCountryCodeSource(CountryCodeSource.FROM_NUMBER_WITHOUT_PLUS_SIGN).
   1716         setPreferredDomesticCarrierCode("");
   1717     assertEquals(shorterAlphaNumber,
   1718                  phoneUtil.parseAndKeepRawInput("1800 six-flag", RegionCode.US));
   1719 
   1720     shorterAlphaNumber.setRawInput("+1800 six-flag").
   1721         setCountryCodeSource(CountryCodeSource.FROM_NUMBER_WITH_PLUS_SIGN);
   1722     assertEquals(shorterAlphaNumber,
   1723                  phoneUtil.parseAndKeepRawInput("+1800 six-flag", RegionCode.NZ));
   1724 
   1725     shorterAlphaNumber.setRawInput("001800 six-flag").
   1726         setCountryCodeSource(CountryCodeSource.FROM_NUMBER_WITH_IDD);
   1727     assertEquals(shorterAlphaNumber,
   1728                  phoneUtil.parseAndKeepRawInput("001800 six-flag", RegionCode.NZ));
   1729 
   1730     // Invalid region code supplied.
   1731     try {
   1732       phoneUtil.parseAndKeepRawInput("123 456 7890", RegionCode.CS);
   1733       fail("Deprecated region code not allowed: should fail.");
   1734     } catch (NumberParseException e) {
   1735       // Expected this exception.
   1736       assertEquals("Wrong error type stored in exception.",
   1737                    NumberParseException.ErrorType.INVALID_COUNTRY_CODE,
   1738                    e.getErrorType());
   1739     }
   1740 
   1741     PhoneNumber koreanNumber = new PhoneNumber();
   1742     koreanNumber.setCountryCode(82).setNationalNumber(22123456).setRawInput("08122123456").
   1743         setCountryCodeSource(CountryCodeSource.FROM_DEFAULT_COUNTRY).
   1744         setPreferredDomesticCarrierCode("81");
   1745     assertEquals(koreanNumber, phoneUtil.parseAndKeepRawInput("08122123456", RegionCode.KR));
   1746   }
   1747 
   1748   public void testCountryWithNoNumberDesc() {
   1749     // Andorra is a country where we don't have PhoneNumberDesc info in the metadata.
   1750     PhoneNumber adNumber = new PhoneNumber();
   1751     adNumber.setCountryCode(376).setNationalNumber(12345L);
   1752     assertEquals("+376 12345", phoneUtil.format(adNumber, PhoneNumberFormat.INTERNATIONAL));
   1753     assertEquals("+37612345", phoneUtil.format(adNumber, PhoneNumberFormat.E164));
   1754     assertEquals("12345", phoneUtil.format(adNumber, PhoneNumberFormat.NATIONAL));
   1755     assertEquals(PhoneNumberUtil.PhoneNumberType.UNKNOWN, phoneUtil.getNumberType(adNumber));
   1756     assertTrue(phoneUtil.isValidNumber(adNumber));
   1757 
   1758     // Test dialing a US number from within Andorra.
   1759     assertEquals("00 1 650 253 0000",
   1760                  phoneUtil.formatOutOfCountryCallingNumber(US_NUMBER, RegionCode.AD));
   1761   }
   1762 
   1763   public void testUnknownCountryCallingCodeForValidation() {
   1764     PhoneNumber invalidNumber = new PhoneNumber();
   1765     invalidNumber.setCountryCode(0).setNationalNumber(1234L);
   1766     assertFalse(phoneUtil.isValidNumber(invalidNumber));
   1767   }
   1768 
   1769   public void testIsNumberMatchMatches() throws Exception {
   1770     // Test simple matches where formatting is different, or leading zeroes, or country calling code
   1771     // has been specified.
   1772     assertEquals(PhoneNumberUtil.MatchType.EXACT_MATCH,
   1773                  phoneUtil.isNumberMatch("+64 3 331 6005", "+64 03 331 6005"));
   1774     assertEquals(PhoneNumberUtil.MatchType.EXACT_MATCH,
   1775                  phoneUtil.isNumberMatch("+64 03 331-6005", "+64 03331 6005"));
   1776     assertEquals(PhoneNumberUtil.MatchType.EXACT_MATCH,
   1777                  phoneUtil.isNumberMatch("+643 331-6005", "+64033316005"));
   1778     assertEquals(PhoneNumberUtil.MatchType.EXACT_MATCH,
   1779                  phoneUtil.isNumberMatch("+643 331-6005", "+6433316005"));
   1780     assertEquals(PhoneNumberUtil.MatchType.EXACT_MATCH,
   1781                  phoneUtil.isNumberMatch("+64 3 331-6005", "+6433316005"));
   1782     // Test alpha numbers.
   1783     assertEquals(PhoneNumberUtil.MatchType.EXACT_MATCH,
   1784                  phoneUtil.isNumberMatch("+1800 siX-Flags", "+1 800 7493 5247"));
   1785     // Test numbers with extensions.
   1786     assertEquals(PhoneNumberUtil.MatchType.EXACT_MATCH,
   1787                  phoneUtil.isNumberMatch("+64 3 331-6005 extn 1234", "+6433316005#1234"));
   1788     // Test proto buffers.
   1789     assertEquals(PhoneNumberUtil.MatchType.EXACT_MATCH,
   1790                  phoneUtil.isNumberMatch(NZ_NUMBER, "+6403 331 6005"));
   1791 
   1792     PhoneNumber nzNumber = new PhoneNumber().mergeFrom(NZ_NUMBER).setExtension("3456");
   1793     assertEquals(PhoneNumberUtil.MatchType.EXACT_MATCH,
   1794                  phoneUtil.isNumberMatch(nzNumber, "+643 331 6005 ext 3456"));
   1795     // Check empty extensions are ignored.
   1796     nzNumber.setExtension("");
   1797     assertEquals(PhoneNumberUtil.MatchType.EXACT_MATCH,
   1798                  phoneUtil.isNumberMatch(nzNumber, "+6403 331 6005"));
   1799     // Check variant with two proto buffers.
   1800     assertEquals("Number " + nzNumber.toString() + " did not match " + NZ_NUMBER.toString(),
   1801                  PhoneNumberUtil.MatchType.EXACT_MATCH,
   1802                  phoneUtil.isNumberMatch(nzNumber, NZ_NUMBER));
   1803 
   1804     // Check raw_input, country_code_source and preferred_domestic_carrier_code are ignored.
   1805     PhoneNumber brNumberOne = new PhoneNumber();
   1806     PhoneNumber brNumberTwo = new PhoneNumber();
   1807     brNumberOne.setCountryCode(55).setNationalNumber(3121286979L)
   1808         .setCountryCodeSource(PhoneNumber.CountryCodeSource.FROM_NUMBER_WITH_PLUS_SIGN)
   1809         .setPreferredDomesticCarrierCode("12").setRawInput("012 3121286979");
   1810     brNumberTwo.setCountryCode(55).setNationalNumber(3121286979L)
   1811         .setCountryCodeSource(PhoneNumber.CountryCodeSource.FROM_DEFAULT_COUNTRY)
   1812         .setPreferredDomesticCarrierCode("14").setRawInput("143121286979");
   1813     assertEquals(PhoneNumberUtil.MatchType.EXACT_MATCH,
   1814                  phoneUtil.isNumberMatch(brNumberOne, brNumberTwo));
   1815   }
   1816 
   1817   public void testIsNumberMatchNonMatches() throws Exception {
   1818     // Non-matches.
   1819     assertEquals(PhoneNumberUtil.MatchType.NO_MATCH,
   1820                  phoneUtil.isNumberMatch("03 331 6005", "03 331 6006"));
   1821     // Different country calling code, partial number match.
   1822     assertEquals(PhoneNumberUtil.MatchType.NO_MATCH,
   1823                  phoneUtil.isNumberMatch("+64 3 331-6005", "+16433316005"));
   1824     // Different country calling code, same number.
   1825     assertEquals(PhoneNumberUtil.MatchType.NO_MATCH,
   1826                  phoneUtil.isNumberMatch("+64 3 331-6005", "+6133316005"));
   1827     // Extension different, all else the same.
   1828     assertEquals(PhoneNumberUtil.MatchType.NO_MATCH,
   1829                  phoneUtil.isNumberMatch("+64 3 331-6005 extn 1234", "0116433316005#1235"));
   1830     // NSN matches, but extension is different - not the same number.
   1831     assertEquals(PhoneNumberUtil.MatchType.NO_MATCH,
   1832                  phoneUtil.isNumberMatch("+64 3 331-6005 ext.1235", "3 331 6005#1234"));
   1833 
   1834     // Invalid numbers that can't be parsed.
   1835     assertEquals(PhoneNumberUtil.MatchType.NOT_A_NUMBER,
   1836                  phoneUtil.isNumberMatch("43", "3 331 6043"));
   1837     assertEquals(PhoneNumberUtil.MatchType.NOT_A_NUMBER,
   1838                  phoneUtil.isNumberMatch("+43", "+64 3 331 6005"));
   1839     assertEquals(PhoneNumberUtil.MatchType.NOT_A_NUMBER,
   1840                  phoneUtil.isNumberMatch("+43", "64 3 331 6005"));
   1841     assertEquals(PhoneNumberUtil.MatchType.NOT_A_NUMBER,
   1842                  phoneUtil.isNumberMatch("Dog", "64 3 331 6005"));
   1843   }
   1844 
   1845   public void testIsNumberMatchNsnMatches() throws Exception {
   1846     // NSN matches.
   1847     assertEquals(PhoneNumberUtil.MatchType.NSN_MATCH,
   1848                  phoneUtil.isNumberMatch("+64 3 331-6005", "03 331 6005"));
   1849     assertEquals(PhoneNumberUtil.MatchType.NSN_MATCH,
   1850                  phoneUtil.isNumberMatch(NZ_NUMBER, "03 331 6005"));
   1851     // Here the second number possibly starts with the country calling code for New Zealand,
   1852     // although we are unsure.
   1853     PhoneNumber unchangedNzNumber = new PhoneNumber().mergeFrom(NZ_NUMBER);
   1854     assertEquals(PhoneNumberUtil.MatchType.NSN_MATCH,
   1855                  phoneUtil.isNumberMatch(unchangedNzNumber, "(64-3) 331 6005"));
   1856     // Check the phone number proto was not edited during the method call.
   1857     assertEquals(NZ_NUMBER, unchangedNzNumber);
   1858 
   1859     // Here, the 1 might be a national prefix, if we compare it to the US number, so the resultant
   1860     // match is an NSN match.
   1861     assertEquals(PhoneNumberUtil.MatchType.NSN_MATCH,
   1862                  phoneUtil.isNumberMatch(US_NUMBER, "1-650-253-0000"));
   1863     assertEquals(PhoneNumberUtil.MatchType.NSN_MATCH,
   1864                  phoneUtil.isNumberMatch(US_NUMBER, "6502530000"));
   1865     assertEquals(PhoneNumberUtil.MatchType.NSN_MATCH,
   1866                  phoneUtil.isNumberMatch("+1 650-253 0000", "1 650 253 0000"));
   1867     assertEquals(PhoneNumberUtil.MatchType.NSN_MATCH,
   1868                  phoneUtil.isNumberMatch("1 650-253 0000", "1 650 253 0000"));
   1869     assertEquals(PhoneNumberUtil.MatchType.NSN_MATCH,
   1870                  phoneUtil.isNumberMatch("1 650-253 0000", "+1 650 253 0000"));
   1871     // For this case, the match will be a short NSN match, because we cannot assume that the 1 might
   1872     // be a national prefix, so don't remove it when parsing.
   1873     PhoneNumber randomNumber = new PhoneNumber();
   1874     randomNumber.setCountryCode(41).setNationalNumber(6502530000L);
   1875     assertEquals(PhoneNumberUtil.MatchType.SHORT_NSN_MATCH,
   1876                  phoneUtil.isNumberMatch(randomNumber, "1-650-253-0000"));
   1877   }
   1878 
   1879   public void testIsNumberMatchShortNsnMatches() throws Exception {
   1880     // Short NSN matches with the country not specified for either one or both numbers.
   1881     assertEquals(PhoneNumberUtil.MatchType.SHORT_NSN_MATCH,
   1882                  phoneUtil.isNumberMatch("+64 3 331-6005", "331 6005"));
   1883     // We did not know that the "0" was a national prefix since neither number has a country code,
   1884     // so this is considered a SHORT_NSN_MATCH.
   1885     assertEquals(PhoneNumberUtil.MatchType.SHORT_NSN_MATCH,
   1886                  phoneUtil.isNumberMatch("3 331-6005", "03 331 6005"));
   1887     assertEquals(PhoneNumberUtil.MatchType.SHORT_NSN_MATCH,
   1888                  phoneUtil.isNumberMatch("3 331-6005", "331 6005"));
   1889     assertEquals(PhoneNumberUtil.MatchType.SHORT_NSN_MATCH,
   1890                  phoneUtil.isNumberMatch("3 331-6005", "+64 331 6005"));
   1891     // Short NSN match with the country specified.
   1892     assertEquals(PhoneNumberUtil.MatchType.SHORT_NSN_MATCH,
   1893                  phoneUtil.isNumberMatch("03 331-6005", "331 6005"));
   1894     assertEquals(PhoneNumberUtil.MatchType.SHORT_NSN_MATCH,
   1895                  phoneUtil.isNumberMatch("1 234 345 6789", "345 6789"));
   1896     assertEquals(PhoneNumberUtil.MatchType.SHORT_NSN_MATCH,
   1897                  phoneUtil.isNumberMatch("+1 (234) 345 6789", "345 6789"));
   1898     // NSN matches, country calling code omitted for one number, extension missing for one.
   1899     assertEquals(PhoneNumberUtil.MatchType.SHORT_NSN_MATCH,
   1900                  phoneUtil.isNumberMatch("+64 3 331-6005", "3 331 6005#1234"));
   1901     // One has Italian leading zero, one does not.
   1902     PhoneNumber italianNumberOne = new PhoneNumber();
   1903     italianNumberOne.setCountryCode(39).setNationalNumber(1234L).setItalianLeadingZero(true);
   1904     PhoneNumber italianNumberTwo = new PhoneNumber();
   1905     italianNumberTwo.setCountryCode(39).setNationalNumber(1234L);
   1906     assertEquals(PhoneNumberUtil.MatchType.SHORT_NSN_MATCH,
   1907                  phoneUtil.isNumberMatch(italianNumberOne, italianNumberTwo));
   1908     // One has an extension, the other has an extension of "".
   1909     italianNumberOne.setExtension("1234").clearItalianLeadingZero();
   1910     italianNumberTwo.setExtension("");
   1911     assertEquals(PhoneNumberUtil.MatchType.SHORT_NSN_MATCH,
   1912                  phoneUtil.isNumberMatch(italianNumberOne, italianNumberTwo));
   1913   }
   1914 
   1915   public void testCanBeInternationallyDialled() throws Exception {
   1916     // We have no-international-dialling rules for the US in our test metadata that say that
   1917     // toll-free numbers cannot be dialled internationally.
   1918     assertFalse(phoneUtil.canBeInternationallyDialled(US_TOLLFREE));
   1919 
   1920     // Normal US numbers can be internationally dialled.
   1921     assertTrue(phoneUtil.canBeInternationallyDialled(US_NUMBER));
   1922 
   1923     // Invalid number.
   1924     assertTrue(phoneUtil.canBeInternationallyDialled(US_LOCAL_NUMBER));
   1925 
   1926     // We have no data for NZ - should return true.
   1927     assertTrue(phoneUtil.canBeInternationallyDialled(NZ_NUMBER));
   1928   }
   1929 
   1930   public void testIsAlphaNumber() throws Exception {
   1931     assertTrue(phoneUtil.isAlphaNumber("1800 six-flags"));
   1932     assertTrue(phoneUtil.isAlphaNumber("1800 six-flags ext. 1234"));
   1933     assertFalse(phoneUtil.isAlphaNumber("1800 123-1234"));
   1934     assertFalse(phoneUtil.isAlphaNumber("1800 123-1234 extension: 1234"));
   1935   }
   1936 }
   1937