1 /* 2 * Copyright (C) 2012 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.inputmethod.latin.utils; 18 19 import com.android.inputmethod.latin.settings.SettingsValues; 20 21 import android.test.AndroidTestCase; 22 import android.test.suitebuilder.annotation.SmallTest; 23 24 import java.util.Arrays; 25 import java.util.List; 26 import java.util.Locale; 27 28 @SmallTest 29 public class StringUtilsTests extends AndroidTestCase { 30 public void testContainsInArray() { 31 assertFalse("empty array", StringUtils.containsInArray("key", new String[0])); 32 assertFalse("not in 1 element", StringUtils.containsInArray("key", new String[] { 33 "key1" 34 })); 35 assertFalse("not in 2 elements", StringUtils.containsInArray("key", new String[] { 36 "key1", "key2" 37 })); 38 39 assertTrue("in 1 element", StringUtils.containsInArray("key", new String[] { 40 "key" 41 })); 42 assertTrue("in 2 elements", StringUtils.containsInArray("key", new String[] { 43 "key1", "key" 44 })); 45 } 46 47 public void testContainsInExtraValues() { 48 assertFalse("null", StringUtils.containsInCommaSplittableText("key", null)); 49 assertFalse("empty", StringUtils.containsInCommaSplittableText("key", "")); 50 assertFalse("not in 1 element", 51 StringUtils.containsInCommaSplittableText("key", "key1")); 52 assertFalse("not in 2 elements", 53 StringUtils.containsInCommaSplittableText("key", "key1,key2")); 54 55 assertTrue("in 1 element", StringUtils.containsInCommaSplittableText("key", "key")); 56 assertTrue("in 2 elements", StringUtils.containsInCommaSplittableText("key", "key1,key")); 57 } 58 59 public void testAppendToExtraValuesIfNotExists() { 60 assertEquals("null", "key", 61 StringUtils.appendToCommaSplittableTextIfNotExists("key", null)); 62 assertEquals("empty", "key", 63 StringUtils.appendToCommaSplittableTextIfNotExists("key", "")); 64 65 assertEquals("not in 1 element", "key1,key", 66 StringUtils.appendToCommaSplittableTextIfNotExists("key", "key1")); 67 assertEquals("not in 2 elements", "key1,key2,key", 68 StringUtils.appendToCommaSplittableTextIfNotExists("key", "key1,key2")); 69 70 assertEquals("in 1 element", "key", 71 StringUtils.appendToCommaSplittableTextIfNotExists("key", "key")); 72 assertEquals("in 2 elements at position 1", "key,key2", 73 StringUtils.appendToCommaSplittableTextIfNotExists("key", "key,key2")); 74 assertEquals("in 2 elements at position 2", "key1,key", 75 StringUtils.appendToCommaSplittableTextIfNotExists("key", "key1,key")); 76 assertEquals("in 3 elements at position 2", "key1,key,key3", 77 StringUtils.appendToCommaSplittableTextIfNotExists("key", "key1,key,key3")); 78 } 79 80 public void testRemoveFromExtraValuesIfExists() { 81 assertEquals("null", "", StringUtils.removeFromCommaSplittableTextIfExists("key", null)); 82 assertEquals("empty", "", StringUtils.removeFromCommaSplittableTextIfExists("key", "")); 83 84 assertEquals("not in 1 element", "key1", 85 StringUtils.removeFromCommaSplittableTextIfExists("key", "key1")); 86 assertEquals("not in 2 elements", "key1,key2", 87 StringUtils.removeFromCommaSplittableTextIfExists("key", "key1,key2")); 88 89 assertEquals("in 1 element", "", 90 StringUtils.removeFromCommaSplittableTextIfExists("key", "key")); 91 assertEquals("in 2 elements at position 1", "key2", 92 StringUtils.removeFromCommaSplittableTextIfExists("key", "key,key2")); 93 assertEquals("in 2 elements at position 2", "key1", 94 StringUtils.removeFromCommaSplittableTextIfExists("key", "key1,key")); 95 assertEquals("in 3 elements at position 2", "key1,key3", 96 StringUtils.removeFromCommaSplittableTextIfExists("key", "key1,key,key3")); 97 98 assertEquals("in 3 elements at position 1,2,3", "", 99 StringUtils.removeFromCommaSplittableTextIfExists("key", "key,key,key")); 100 assertEquals("in 5 elements at position 2,4", "key1,key3,key5", 101 StringUtils.removeFromCommaSplittableTextIfExists( 102 "key", "key1,key,key3,key,key5")); 103 } 104 105 106 public void testCapitalizeFirstCodePoint() { 107 assertEquals("SSaa", 108 StringUtils.capitalizeFirstCodePoint("aa", Locale.GERMAN)); 109 assertEquals("Aa", 110 StringUtils.capitalizeFirstCodePoint("aa", Locale.GERMAN)); 111 assertEquals("Iab", 112 StringUtils.capitalizeFirstCodePoint("iab", Locale.ENGLISH)); 113 assertEquals("CAmElCaSe", 114 StringUtils.capitalizeFirstCodePoint("cAmElCaSe", Locale.ENGLISH)); 115 assertEquals("ab", 116 StringUtils.capitalizeFirstCodePoint("iab", new Locale("tr"))); 117 assertEquals("AB", 118 StringUtils.capitalizeFirstCodePoint("AB", new Locale("tr"))); 119 assertEquals("A", 120 StringUtils.capitalizeFirstCodePoint("a", Locale.ENGLISH)); 121 assertEquals("A", 122 StringUtils.capitalizeFirstCodePoint("A", Locale.ENGLISH)); 123 } 124 125 public void testCapitalizeFirstAndDowncaseRest() { 126 assertEquals("SSaa", 127 StringUtils.capitalizeFirstAndDowncaseRest("aa", Locale.GERMAN)); 128 assertEquals("Aa", 129 StringUtils.capitalizeFirstAndDowncaseRest("aa", Locale.GERMAN)); 130 assertEquals("Iab", 131 StringUtils.capitalizeFirstAndDowncaseRest("iab", Locale.ENGLISH)); 132 assertEquals("Camelcase", 133 StringUtils.capitalizeFirstAndDowncaseRest("cAmElCaSe", Locale.ENGLISH)); 134 assertEquals("ab", 135 StringUtils.capitalizeFirstAndDowncaseRest("iab", new Locale("tr"))); 136 assertEquals("Aib", 137 StringUtils.capitalizeFirstAndDowncaseRest("AB", new Locale("tr"))); 138 assertEquals("A", 139 StringUtils.capitalizeFirstAndDowncaseRest("a", Locale.ENGLISH)); 140 assertEquals("A", 141 StringUtils.capitalizeFirstAndDowncaseRest("A", Locale.ENGLISH)); 142 } 143 144 public void testGetCapitalizationType() { 145 assertEquals(StringUtils.CAPITALIZE_NONE, 146 StringUtils.getCapitalizationType("capitalize")); 147 assertEquals(StringUtils.CAPITALIZE_NONE, 148 StringUtils.getCapitalizationType("cApITalize")); 149 assertEquals(StringUtils.CAPITALIZE_NONE, 150 StringUtils.getCapitalizationType("capitalizE")); 151 assertEquals(StringUtils.CAPITALIZE_NONE, 152 StringUtils.getCapitalizationType("__c a piu$@tali56ze")); 153 assertEquals(StringUtils.CAPITALIZE_FIRST, 154 StringUtils.getCapitalizationType("A__c a piu$@tali56ze")); 155 assertEquals(StringUtils.CAPITALIZE_FIRST, 156 StringUtils.getCapitalizationType("Capitalize")); 157 assertEquals(StringUtils.CAPITALIZE_FIRST, 158 StringUtils.getCapitalizationType(" Capitalize")); 159 assertEquals(StringUtils.CAPITALIZE_ALL, 160 StringUtils.getCapitalizationType("CAPITALIZE")); 161 assertEquals(StringUtils.CAPITALIZE_ALL, 162 StringUtils.getCapitalizationType(" PI26LIE")); 163 assertEquals(StringUtils.CAPITALIZE_NONE, 164 StringUtils.getCapitalizationType("")); 165 } 166 167 public void testIsIdenticalAfterUpcaseIsIdenticalAfterDowncase() { 168 assertFalse(StringUtils.isIdenticalAfterUpcase("capitalize")); 169 assertTrue(StringUtils.isIdenticalAfterDowncase("capitalize")); 170 assertFalse(StringUtils.isIdenticalAfterUpcase("cApITalize")); 171 assertFalse(StringUtils.isIdenticalAfterDowncase("cApITalize")); 172 assertFalse(StringUtils.isIdenticalAfterUpcase("capitalizE")); 173 assertFalse(StringUtils.isIdenticalAfterDowncase("capitalizE")); 174 assertFalse(StringUtils.isIdenticalAfterUpcase("__c a piu$@tali56ze")); 175 assertTrue(StringUtils.isIdenticalAfterDowncase("__c a piu$@tali56ze")); 176 assertFalse(StringUtils.isIdenticalAfterUpcase("A__c a piu$@tali56ze")); 177 assertFalse(StringUtils.isIdenticalAfterDowncase("A__c a piu$@tali56ze")); 178 assertFalse(StringUtils.isIdenticalAfterUpcase("Capitalize")); 179 assertFalse(StringUtils.isIdenticalAfterDowncase("Capitalize")); 180 assertFalse(StringUtils.isIdenticalAfterUpcase(" Capitalize")); 181 assertFalse(StringUtils.isIdenticalAfterDowncase(" Capitalize")); 182 assertTrue(StringUtils.isIdenticalAfterUpcase("CAPITALIZE")); 183 assertFalse(StringUtils.isIdenticalAfterDowncase("CAPITALIZE")); 184 assertTrue(StringUtils.isIdenticalAfterUpcase(" PI26LIE")); 185 assertFalse(StringUtils.isIdenticalAfterDowncase(" PI26LIE")); 186 assertTrue(StringUtils.isIdenticalAfterUpcase("")); 187 assertTrue(StringUtils.isIdenticalAfterDowncase("")); 188 } 189 190 public void testLooksValidForDictionaryInsertion() { 191 final SettingsValues settings = 192 SettingsValues.makeDummySettingsValuesForTest(Locale.ENGLISH); 193 assertTrue(StringUtils.looksValidForDictionaryInsertion("aochaueo", settings)); 194 assertFalse(StringUtils.looksValidForDictionaryInsertion("", settings)); 195 assertTrue(StringUtils.looksValidForDictionaryInsertion("ao-ch'aueo", settings)); 196 assertFalse(StringUtils.looksValidForDictionaryInsertion("2908743256", settings)); 197 assertTrue(StringUtils.looksValidForDictionaryInsertion("31aochaueo", settings)); 198 assertFalse(StringUtils.looksValidForDictionaryInsertion("akeo raeoch oerch .", settings)); 199 assertFalse(StringUtils.looksValidForDictionaryInsertion("!!!", settings)); 200 } 201 202 private static void checkCapitalize(final String src, final String dst, final String separators, 203 final Locale locale) { 204 assertEquals(dst, StringUtils.capitalizeEachWord(src, separators, locale)); 205 assert(src.equals(dst) 206 == StringUtils.isIdenticalAfterCapitalizeEachWord(src, separators)); 207 } 208 209 public void testCapitalizeEachWord() { 210 checkCapitalize("", "", " ", Locale.ENGLISH); 211 checkCapitalize("test", "Test", " ", Locale.ENGLISH); 212 checkCapitalize(" test", " Test", " ", Locale.ENGLISH); 213 checkCapitalize("Test", "Test", " ", Locale.ENGLISH); 214 checkCapitalize(" Test", " Test", " ", Locale.ENGLISH); 215 checkCapitalize(".Test", ".test", " ", Locale.ENGLISH); 216 checkCapitalize(".Test", ".Test", " .", Locale.ENGLISH); 217 checkCapitalize(".Test", ".Test", ". ", Locale.ENGLISH); 218 checkCapitalize("test and retest", "Test And Retest", " .", Locale.ENGLISH); 219 checkCapitalize("Test and retest", "Test And Retest", " .", Locale.ENGLISH); 220 checkCapitalize("Test And Retest", "Test And Retest", " .", Locale.ENGLISH); 221 checkCapitalize("Test And.Retest ", "Test And.Retest ", " .", Locale.ENGLISH); 222 checkCapitalize("Test And.retest ", "Test And.Retest ", " .", Locale.ENGLISH); 223 checkCapitalize("Test And.retest ", "Test And.retest ", " ", Locale.ENGLISH); 224 checkCapitalize("Test And.Retest ", "Test And.retest ", " ", Locale.ENGLISH); 225 checkCapitalize("test and ietest", "Test And etest", " .", new Locale("tr")); 226 checkCapitalize("test and ietest", "Test And Ietest", " .", Locale.ENGLISH); 227 checkCapitalize("Test&Retest", "Test&Retest", " \n.!?*()&", Locale.ENGLISH); 228 checkCapitalize("Test&retest", "Test&Retest", " \n.!?*()&", Locale.ENGLISH); 229 checkCapitalize("test&Retest", "Test&Retest", " \n.!?*()&", Locale.ENGLISH); 230 checkCapitalize("rest\nrecreation! And in the end...", 231 "Rest\nRecreation! And In The End...", " \n.!?*,();&", Locale.ENGLISH); 232 checkCapitalize("lorem ipsum dolor sit amet", "Lorem Ipsum Dolor Sit Amet", 233 " \n.,!?*()&;", Locale.ENGLISH); 234 checkCapitalize("Lorem!Ipsum (Dolor) Sit * Amet", "Lorem!Ipsum (Dolor) Sit * Amet", 235 " \n,.;!?*()&", Locale.ENGLISH); 236 checkCapitalize("Lorem!Ipsum (dolor) Sit * Amet", "Lorem!Ipsum (Dolor) Sit * Amet", 237 " \n,.;!?*()&", Locale.ENGLISH); 238 } 239 240 public void testLooksLikeURL() { 241 assertTrue(StringUtils.lastPartLooksLikeURL("http://www.google.")); 242 assertFalse(StringUtils.lastPartLooksLikeURL("word wo")); 243 assertTrue(StringUtils.lastPartLooksLikeURL("/etc/foo")); 244 assertFalse(StringUtils.lastPartLooksLikeURL("left/right")); 245 assertTrue(StringUtils.lastPartLooksLikeURL("www.goo")); 246 assertTrue(StringUtils.lastPartLooksLikeURL("www.")); 247 assertFalse(StringUtils.lastPartLooksLikeURL("U.S.A")); 248 assertFalse(StringUtils.lastPartLooksLikeURL("U.S.A.")); 249 assertTrue(StringUtils.lastPartLooksLikeURL("rtsp://foo.")); 250 assertTrue(StringUtils.lastPartLooksLikeURL("://")); 251 assertFalse(StringUtils.lastPartLooksLikeURL("abc/")); 252 assertTrue(StringUtils.lastPartLooksLikeURL("abc.def/ghi")); 253 assertFalse(StringUtils.lastPartLooksLikeURL("abc.def")); 254 // TODO: ideally this would not look like a URL, but to keep down the complexity of the 255 // code for now True is acceptable. 256 assertTrue(StringUtils.lastPartLooksLikeURL("abc./def")); 257 // TODO: ideally this would not look like a URL, but to keep down the complexity of the 258 // code for now True is acceptable. 259 assertTrue(StringUtils.lastPartLooksLikeURL(".abc/def")); 260 } 261 262 public void testHexStringUtils() { 263 final byte[] bytes = new byte[] { (byte)0x01, (byte)0x11, (byte)0x22, (byte)0x33, 264 (byte)0x55, (byte)0x88, (byte)0xEE }; 265 final String bytesStr = StringUtils.byteArrayToHexString(bytes); 266 final byte[] bytes2 = StringUtils.hexStringToByteArray(bytesStr); 267 for (int i = 0; i < bytes.length; ++i) { 268 assertTrue(bytes[i] == bytes2[i]); 269 } 270 final String bytesStr2 = StringUtils.byteArrayToHexString(bytes2); 271 assertTrue(bytesStr.equals(bytesStr2)); 272 } 273 274 public void testJsonStringUtils() { 275 final Object[] objs = new Object[] { 1, "aaa", "bbb", 3 }; 276 final List<Object> objArray = Arrays.asList(objs); 277 final String str = StringUtils.listToJsonStr(objArray); 278 final List<Object> newObjArray = StringUtils.jsonStrToList(str); 279 for (int i = 0; i < objs.length; ++i) { 280 assertEquals(objs[i], newObjArray.get(i)); 281 } 282 } 283 } 284
