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      1 /*
      2  * Copyright (C) 2009 The Android Open Source Project
      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.providers.contacts;
     18 
     19 import android.test.MoreAsserts;
     20 import android.test.suitebuilder.annotation.SmallTest;
     21 
     22 import java.text.RuleBasedCollator;
     23 import java.util.Locale;
     24 
     25 import junit.framework.TestCase;
     26 
     27 /**
     28  * Unit tests for {@link NameNormalizer}.
     29  *
     30  * Run the test like this:
     31  * <code>
     32    adb shell am instrument -e class com.android.providers.contacts.NameNormalizerTest -w \
     33            com.android.providers.contacts.tests/android.test.InstrumentationTestRunner
     34  * </code>
     35  */
     36 @SmallTest
     37 public class NameNormalizerTest extends TestCase {
     38 
     39     private Locale mOriginalLocale;
     40 
     41 
     42     @Override
     43     protected void setUp() throws Exception {
     44         super.setUp();
     45 
     46         mOriginalLocale = Locale.getDefault();
     47 
     48         // Run all test in en_US
     49         Locale.setDefault(Locale.US);
     50     }
     51 
     52     @Override
     53     protected void tearDown() throws Exception {
     54         Locale.setDefault(mOriginalLocale);
     55         super.tearDown();
     56     }
     57 
     58     public void testDifferent() {
     59         final String name1 = NameNormalizer.normalize("Helene");
     60         final String name2 = NameNormalizer.normalize("Francesca");
     61         assertFalse(name2.equals(name1));
     62     }
     63 
     64     public void testAccents() {
     65         final String name1 = NameNormalizer.normalize("Helene");
     66         final String name2 = NameNormalizer.normalize("H\u00e9l\u00e8ne");
     67         assertTrue(name2.equals(name1));
     68     }
     69 
     70     public void testMixedCase() {
     71         final String name1 = NameNormalizer.normalize("Helene");
     72         final String name2 = NameNormalizer.normalize("hEL\uFF25NE"); // FF25 = FULL WIDTH E
     73         assertTrue(name2.equals(name1));
     74     }
     75 
     76     public void testNonLetters() {
     77         // U+FF1E: 'FULLWIDTH GREATER-THAN SIGN'
     78         // U+FF03: 'FULLWIDTH NUMBER SIGN'
     79         final String name1 = NameNormalizer.normalize("h-e?l \uFF1ee+\uFF03n=e");
     80         final String name2 = NameNormalizer.normalize("helene");
     81         assertTrue(name2.equals(name1));
     82     }
     83 
     84     public void testComplexityCase() {
     85         assertTrue(NameNormalizer.compareComplexity("Helene", "helene") > 0);
     86     }
     87 
     88     public void testComplexityAccent() {
     89         assertTrue(NameNormalizer.compareComplexity("H\u00e9lene", "Helene") > 0);
     90     }
     91 
     92     public void testComplexityLength() {
     93         assertTrue(NameNormalizer.compareComplexity("helene2009", "helene") > 0);
     94     }
     95 
     96     public void testGetCollators() {
     97         final RuleBasedCollator compressing1 = NameNormalizer.getCompressingCollator();
     98         final RuleBasedCollator complexity1 = NameNormalizer.getComplexityCollator();
     99 
    100         assertNotNull(compressing1);
    101         assertNotNull(complexity1);
    102         assertNotSame(compressing1, complexity1);
    103 
    104         // Get again.  Should be cached.
    105         final RuleBasedCollator compressing2 = NameNormalizer.getCompressingCollator();
    106         final RuleBasedCollator complexity2 = NameNormalizer.getComplexityCollator();
    107 
    108         assertSame(compressing1, compressing2);
    109         assertSame(complexity1, complexity2);
    110 
    111         // Change locale -- now new collators should be returned.
    112         Locale.setDefault(Locale.FRANCE);
    113 
    114         final RuleBasedCollator compressing3 = NameNormalizer.getCompressingCollator();
    115         final RuleBasedCollator complexity3 = NameNormalizer.getComplexityCollator();
    116 
    117         assertNotNull(compressing3);
    118         assertNotNull(complexity3);
    119         assertNotSame(compressing3, complexity3);
    120 
    121         assertNotSame(compressing1, compressing3);
    122         assertNotSame(complexity1, complexity3);
    123     }
    124 }
    125