/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package libcore.icu;
import java.util.Locale;
public class AlphabeticIndexTest extends junit.framework.TestCase {
private static AlphabeticIndex.ImmutableIndex createIndex(Locale locale) {
return new AlphabeticIndex(locale).addLabels(Locale.US).getImmutableIndex();
}
private static void assertHasLabel(AlphabeticIndex.ImmutableIndex ii, String string, String expectedLabel) {
int index = ii.getBucketIndex(string);
String label = ii.getBucketLabel(index);
assertEquals(expectedLabel, label);
}
public void test_en() throws Exception {
// English [A-Z]
AlphabeticIndex.ImmutableIndex en = createIndex(Locale.ENGLISH);
assertHasLabel(en, "Allen", "A");
assertHasLabel(en, "allen", "A");
}
public void test_ja() throws Exception {
AlphabeticIndex.ImmutableIndex ja = createIndex(Locale.JAPANESE);
// Japanese
// sorts hiragana/katakana, Kanji/Chinese, English, other
// …, あ, か, さ, た, な, は, ま, や, ら, わ, …
// hiragana "a"
assertHasLabel(ja, "Allen", "A");
assertHasLabel(ja, "\u3041", "\u3042");
// katakana "a"
assertHasLabel(ja, "\u30a1", "\u3042");
// Kanji (sorts to inflow section)
assertHasLabel(ja, "\u65e5", "");
// http://bugs.icu-project.org/trac/ticket/10423 / http://b/10809397
assertHasLabel(ja, "\u95c7", "");
assertHasLabel(ja, "\u308f", "わ");
// English
assertHasLabel(ja, "Smith", "S");
// Chinese (sorts to inflow section)
assertHasLabel(ja, "\u6c88" /* Shen/Chen */, "");
// Korean Hangul (sorts to overflow section)
assertHasLabel(ja, "\u1100", "");
}
public void test_ko() throws Exception {
// Korean (sorts Korean, then English)
// …, ᄀ, ᄂ, ᄃ, ᄅ, ᄆ, ᄇ, ᄉ, ᄋ, ᄌ, ᄎ, ᄏ, ᄐ, ᄑ, ᄒ, …
AlphabeticIndex.ImmutableIndex ko = createIndex(Locale.KOREAN);
assertHasLabel(ko, "\u1100", "\u3131");
assertHasLabel(ko, "\u3131", "\u3131");
assertHasLabel(ko, "\u1101", "\u3131");
assertHasLabel(ko, "\u1161", "\u314e");
}
public void test_cs() throws Exception {
// Czech
// …, [A-C], Č,[D-H], CH, [I-R], Ř, S, Š, [T-Z], Ž, …
AlphabeticIndex.ImmutableIndex cs = createIndex(new Locale("cs"));
assertHasLabel(cs, "Cena", "C");
assertHasLabel(cs, "Čáp", "\u010c");
assertHasLabel(cs, "Ruda", "R");
assertHasLabel(cs, "Řada", "\u0158");
assertHasLabel(cs, "Selka", "S");
assertHasLabel(cs, "Šála", "\u0160");
assertHasLabel(cs, "Zebra", "Z");
assertHasLabel(cs, "Žába", "\u017d");
assertHasLabel(cs, "Chata", "CH");
}
public void test_fr() throws Exception {
// French: [A-Z] (no accented chars)
AlphabeticIndex.ImmutableIndex fr = createIndex(Locale.FRENCH);
assertHasLabel(fr, "Øfer", "O");
assertHasLabel(fr, "Œster", "O");
}
public void test_da() throws Exception {
// Danish: [A-Z], Æ, Ø, Å
AlphabeticIndex.ImmutableIndex da = createIndex(new Locale("da"));
assertHasLabel(da, "Ænes", "\u00c6");
assertHasLabel(da, "Øfer", "\u00d8");
assertHasLabel(da, "Œster", "\u00d8");
assertHasLabel(da, "Ågård", "\u00c5");
}
public void test_de() throws Exception {
// German: [A-Z] (no ß or umlauted characters in standard alphabet)
AlphabeticIndex.ImmutableIndex de = createIndex(Locale.GERMAN);
assertHasLabel(de, "ßind", "S");
// We no longer split out "S", "Sch", and "St".
assertHasLabel(de, "Sacher", "S");
assertHasLabel(de, "Schiller", "S");
assertHasLabel(de, "Steiff", "S");
}
public void test_th() throws Exception {
// Thai (sorts English then Thai)
// …, ก, ข, ฃ, ค, ฅ, ฆ, ง, จ, ฉ, ช, ซ, ฌ, ญ, ฎ, ฏ, ฐ, ฑ, ฒ, ณ, ด, ต, ถ, ท, ธ, น, บ, ป, ผ, ฝ, พ, ฟ, ภ, ม, ย, ร, ฤ, ล, ฦ, ว, ศ, ษ, ส, ห, ฬ, อ, ฮ, …,
AlphabeticIndex.ImmutableIndex th = createIndex(new Locale("th"));
assertHasLabel(th, "\u0e2d\u0e07\u0e04\u0e4c\u0e40\u0e25\u0e47\u0e01", "\u0e2d");
assertHasLabel(th, "\u0e2a\u0e34\u0e07\u0e2b\u0e40\u0e2a\u0e19\u0e35", "\u0e2a");
}
public void test_ar() throws Exception {
// Arabic (sorts English then Arabic)
// …, ا, ب, ت, ث, ج, ح, خ, د, ذ, ر, ز, س, ش, ص, ض, ط, ظ, ع, غ, ف, ق, ك, ل, م, ن, ه, و, ي, …
AlphabeticIndex.ImmutableIndex ar = createIndex(new Locale("ar"));
assertHasLabel(ar, "\u0646\u0648\u0631", /* Noor */ "\u0646");
}
public void test_he() throws Exception {
// Hebrew (sorts English then Hebrew)
// …, א, ב, ג, ד, ה, ו, ז, ח, ט, י, כ, ל, מ, נ, ס, ע, פ, צ, ק, ר, ש, ת, …
AlphabeticIndex.ImmutableIndex he = createIndex(new Locale("he"));
assertHasLabel(he, "\u05e4\u05e8\u05d9\u05d3\u05de\u05df", "\u05e4");
}
public void test_zh_CN() throws Exception {
// Simplified Chinese (default collator Pinyin): [A-Z]
AlphabeticIndex.ImmutableIndex zh_CN = createIndex(new Locale("zh", "CN"));
// Jia/Gu: should be, usually, 'J' for name collator and 'G' for apps/other
assertHasLabel(zh_CN, "\u8d3e", "J");
// Shen/Chen (simplified): should usually be 'S' for names and 'C' for apps/other.
// icu4c does not specialize for names and defaults to 'C'.
// Some OEMs prefer to default to 'S'.
// We allow either to pass CTS since neither choice is right all the time.
// assertHasLabel(zh_CN, "\u6c88", "C");
String shenChenLabel = zh_CN.getBucketLabel(zh_CN.getBucketIndex("\u6c88"));
assertTrue(shenChenLabel.equals("C") || shenChenLabel.equals("S"));
// Shen/Chen (traditional)
assertHasLabel(zh_CN, "\u700b", "S");
}
public void test_zh_HK() throws Exception {
// Traditional Chinese (strokes).
// …, [1-33, 35, 36, 39, 48]劃, …
// Shen/Chen
AlphabeticIndex.ImmutableIndex zh_HK = createIndex(new Locale("zh", "HK"));
assertHasLabel(zh_HK, "\u6c88", "7\u5283");
assertHasLabel(zh_HK, "\u700b", "18\u5283");
// Jia/Gu
assertHasLabel(zh_HK, "\u8d3e", "10\u5283");
}
public void test_constructor_NPE() throws Exception {
try {
new AlphabeticIndex(null);
fail();
} catch (NullPointerException expected) {
}
}
public void test_addLabels_NPE() throws Exception {
AlphabeticIndex ai = new AlphabeticIndex(Locale.US);
try {
ai.addLabels(null);
fail();
} catch (NullPointerException expected) {
}
}
// ICU 51 default max label count is 99. Test to make sure can create an
// index with a larger number of labels.
public void test_setMaxLabelCount() throws Exception {
final int MAX_LABEL_COUNT = 500;
AlphabeticIndex ai = new AlphabeticIndex(Locale.US)
.setMaxLabelCount(MAX_LABEL_COUNT)
.addLabels(Locale.JAPANESE)
.addLabels(Locale.KOREAN)
.addLabels(new Locale("th"))
.addLabels(new Locale("ar"))
.addLabels(new Locale("he"))
.addLabels(new Locale("el"))
.addLabels(new Locale("ru"));
assertEquals(MAX_LABEL_COUNT, ai.getMaxLabelCount());
assertEquals(208, ai.getBucketCount());
AlphabeticIndex.ImmutableIndex ii = ai.getImmutableIndex();
assertEquals(ai.getBucketCount(), ii.getBucketCount());
}
public void test_getBucketIndex_NPE() throws Exception {
AlphabeticIndex.ImmutableIndex ii = createIndex(Locale.US);
try {
ii.getBucketIndex(null);
fail();
} catch (NullPointerException expected) {
}
}
public void test_getBucketLabel_invalid() throws Exception {
AlphabeticIndex.ImmutableIndex ii = createIndex(Locale.US);
try {
ii.getBucketLabel(-1);
fail();
} catch (IllegalArgumentException expected) {
}
try {
ii.getBucketLabel(123456);
fail();
} catch (IllegalArgumentException expected) {
}
}
}