1/* 2 * Copyright (C) 2010 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 17package libcore.java.text; 18 19import java.text.CharacterIterator; 20import java.text.CollationElementIterator; 21import java.text.Collator; 22import java.text.ParseException; 23import java.text.RuleBasedCollator; 24import java.text.StringCharacterIterator; 25import java.util.Locale; 26 27public class CollatorTest extends junit.framework.TestCase { 28 public void test_setStrengthI() throws Exception { 29 Collator collator = Collator.getInstance(); 30 collator.setStrength(Collator.PRIMARY); 31 assertEquals(Collator.PRIMARY, collator.getStrength()); 32 collator.setStrength(Collator.SECONDARY); 33 assertEquals(Collator.SECONDARY, collator.getStrength()); 34 collator.setStrength(Collator.TERTIARY); 35 assertEquals(Collator.TERTIARY, collator.getStrength()); 36 collator.setStrength(Collator.IDENTICAL); 37 assertEquals(Collator.IDENTICAL, collator.getStrength()); 38 try { 39 collator.setStrength(-1); 40 fail("IllegalArgumentException was not thrown."); 41 } catch (IllegalArgumentException expected) { 42 } 43 } 44 45 public void test_stackCorruption() throws Exception { 46 // This used to crash Android. 47 Collator mColl = Collator.getInstance(); 48 mColl.setStrength(Collator.PRIMARY); 49 mColl.getCollationKey("2d294f2d3739433565147655394f3762f3147312d3731641452f310"); 50 } 51 52 public void test_icuConstantNullorder() throws Exception { 53 assertEquals(android.icu.text.CollationElementIterator.NULLORDER, 54 CollationElementIterator.NULLORDER); 55 } 56 57 public void test_collationKeySize() throws Exception { 58 // Test to verify that very large collation keys are not truncated. 59 StringBuilder b = new StringBuilder(); 60 for (int i = 0; i < 1024; i++) { 61 b.append("0123456789ABCDEF"); 62 } 63 String sixteen = b.toString(); 64 b.append("_THE_END"); 65 String sixteenplus = b.toString(); 66 67 Collator mColl = Collator.getInstance(); 68 mColl.setStrength(Collator.PRIMARY); 69 70 byte [] arr = mColl.getCollationKey(sixteen).toByteArray(); 71 int len = arr.length; 72 assertTrue("Collation key not 0 terminated", arr[arr.length - 1] == 0); 73 len--; 74 String foo = new String(arr, 0, len, "iso8859-1"); 75 76 arr = mColl.getCollationKey(sixteen).toByteArray(); 77 len = arr.length; 78 assertTrue("Collation key not 0 terminated", arr[arr.length - 1] == 0); 79 len--; 80 String bar = new String(arr, 0, len, "iso8859-1"); 81 82 assertTrue("Collation keys should differ", foo.equals(bar)); 83 } 84 85 public void test_decompositionCompatibility() throws Exception { 86 Collator myCollator = Collator.getInstance(); 87 myCollator.setDecomposition(Collator.NO_DECOMPOSITION); 88 assertFalse("Error: \u00e0\u0325 should not equal to a\u0325\u0300 without decomposition", 89 myCollator.compare("\u00e0\u0325", "a\u0325\u0300") == 0); 90 myCollator.setDecomposition(Collator.CANONICAL_DECOMPOSITION); 91 assertTrue("Error: \u00e0\u0325 should equal to a\u0325\u0300 with decomposition", 92 myCollator.compare("\u00e0\u0325", "a\u0325\u0300") == 0); 93 } 94 95 public void testEqualsObject() throws ParseException { 96 String rule = "&9 < a < b < c < d < e"; 97 RuleBasedCollator coll = new RuleBasedCollator(rule); 98 99 assertEquals(Collator.TERTIARY, coll.getStrength()); 100 assertEquals(Collator.NO_DECOMPOSITION, coll.getDecomposition()); 101 RuleBasedCollator other = new RuleBasedCollator(rule); 102 assertTrue(coll.equals(other)); 103 104 coll.setStrength(Collator.PRIMARY); 105 assertFalse(coll.equals(other)); 106 107 coll.setStrength(Collator.TERTIARY); 108 coll.setDecomposition(Collator.CANONICAL_DECOMPOSITION); 109 other.setDecomposition(Collator.NO_DECOMPOSITION); // See comment above. 110 assertFalse(coll.equals(other)); 111 } 112 113 public void test_Harmony_1352() throws Exception { 114 // Regression test for HARMONY-1352, that doesn't get run in the harmony test suite because 115 // of an earlier failure. 116 try { 117 new RuleBasedCollator("&9 < a< b< c< d").getCollationElementIterator((CharacterIterator) null); 118 fail("NullPointerException expected"); 119 } catch (NullPointerException expected) { 120 } 121 } 122 123 // In traditional Spanish sorting, the pair of characters 'ch' behaves as a single character 124 // that sorts primary-after c. 125 public void testTradSpanishSorting() { 126 RuleBasedCollator traditionalSpanishCollator = (RuleBasedCollator) 127 Collator.getInstance(Locale.forLanguageTag("es-u-co-trad")); 128 String cd = "cd"; 129 String chd = "chd"; 130 assertTrue(traditionalSpanishCollator.compare(cd, chd) < 0); 131 } 132 133 private void assertCollationElementIterator(CollationElementIterator it, Integer... offsets) { 134 for (int offset : offsets) { 135 assertEquals(offset, it.getOffset()); 136 it.next(); 137 } 138 assertEquals(CollationElementIterator.NULLORDER, it.next()); 139 } 140 141 private void assertGetCollationElementIteratorString(Locale l, String s, Integer... offsets) { 142 RuleBasedCollator coll = (RuleBasedCollator) Collator.getInstance(l); 143 assertCollationElementIterator(coll.getCollationElementIterator(s), offsets); 144 } 145 146 private void assertGetCollationElementIteratorCharacterIterator(Locale l, String s, Integer... offsets) { 147 RuleBasedCollator coll = (RuleBasedCollator) Collator.getInstance(l); 148 CharacterIterator it = new StringCharacterIterator(s); 149 assertCollationElementIterator(coll.getCollationElementIterator(it), offsets); 150 } 151 152 public void testGetCollationElementIteratorString_es() throws Exception { 153 assertGetCollationElementIteratorString(new Locale("es", "", ""), "cha", 0, 1, 2, 3); 154 } 155 156 public void testGetCollationElementIteratorString_de_DE() throws Exception { 157 assertGetCollationElementIteratorString(new Locale("de", "DE", ""), "\u00e6b", 0, 1, 1, 2); 158 } 159 160 public void testGetCollationElementIteratorCharacterIterator_es() throws Exception { 161 assertGetCollationElementIteratorCharacterIterator(new Locale("es", "", ""), "cha", 0, 1, 2, 3); 162 } 163 164 public void testGetCollationElementIteratorCharacterIterator_de_DE() throws Exception { 165 assertGetCollationElementIteratorCharacterIterator(new Locale("de", "DE", ""), "\u00e6b", 0, 1, 1, 2); 166 } 167} 168