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Diffstat (limited to 'tests/src/org/kelar/inputmethod/latin/common/StringUtilsTests.java')
| -rw-r--r-- | tests/src/org/kelar/inputmethod/latin/common/StringUtilsTests.java | 501 |
1 files changed, 501 insertions, 0 deletions
diff --git a/tests/src/org/kelar/inputmethod/latin/common/StringUtilsTests.java b/tests/src/org/kelar/inputmethod/latin/common/StringUtilsTests.java new file mode 100644 index 000000000..016819ce8 --- /dev/null +++ b/tests/src/org/kelar/inputmethod/latin/common/StringUtilsTests.java @@ -0,0 +1,501 @@ +/* + * Copyright (C) 2014 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 org.kelar.inputmethod.latin.common; + +import static org.junit.Assert.assertEquals; +import static org.junit.Assert.assertFalse; +import static org.junit.Assert.assertTrue; + +import androidx.test.filters.SmallTest; +import androidx.test.runner.AndroidJUnit4; + +import org.junit.Test; +import org.junit.runner.RunWith; + +import java.util.Locale; + +@SmallTest +@RunWith(AndroidJUnit4.class) +public class StringUtilsTests { + private static final Locale US = Locale.US; + private static final Locale GERMAN = Locale.GERMAN; + private static final Locale TURKEY = new Locale("tr", "TR"); + private static final Locale GREECE = new Locale("el", "GR"); + + private static void assert_toTitleCaseOfKeyLabel(final Locale locale, + final String lowerCase, final String expected) { + assertEquals(lowerCase + " in " + locale, expected, + StringUtils.toTitleCaseOfKeyLabel(lowerCase, locale)); + } + + @Test + public void test_toTitleCaseOfKeyLabel() { + assert_toTitleCaseOfKeyLabel(US, null, null); + assert_toTitleCaseOfKeyLabel(US, "", ""); + assert_toTitleCaseOfKeyLabel(US, "aeiou", "AEIOU"); + // U+00E0: "à" LATIN SMALL LETTER A WITH GRAVE + // U+00E8: "è" LATIN SMALL LETTER E WITH GRAVE + // U+00EE: "î" LATIN SMALL LETTER I WITH CIRCUMFLEX + // U+00F6: "ö" LATIN SMALL LETTER O WITH DIAERESIS + // U+016B: "ū" LATIN SMALL LETTER U WITH MACRON + // U+00F1: "ñ" LATIN SMALL LETTER N WITH TILDE + // U+00E7: "ç" LATIN SMALL LETTER C WITH CEDILLA + // U+00C0: "À" LATIN CAPITAL LETTER A WITH GRAVE + // U+00C8: "È" LATIN CAPITAL LETTER E WITH GRAVE + // U+00CE: "Î" LATIN CAPITAL LETTER I WITH CIRCUMFLEX + // U+00D6: "Ö" LATIN CAPITAL LETTER O WITH DIAERESIS + // U+016A: "Ū" LATIN CAPITAL LETTER U WITH MACRON + // U+00D1: "Ñ" LATIN CAPITAL LETTER N WITH TILDE + // U+00C7: "Ç" LATIN CAPITAL LETTER C WITH CEDILLA + assert_toTitleCaseOfKeyLabel(US, + "\u00E0\u00E8\u00EE\u00F6\u016B\u00F1\u00E7", + "\u00C0\u00C8\u00CE\u00D6\u016A\u00D1\u00C7"); + // U+00DF: "ß" LATIN SMALL LETTER SHARP S + // U+015B: "ś" LATIN SMALL LETTER S WITH ACUTE + // U+0161: "š" LATIN SMALL LETTER S WITH CARON + // U+015A: "Ś" LATIN CAPITAL LETTER S WITH ACUTE + // U+0160: "Š" LATIN CAPITAL LETTER S WITH CARONZ + assert_toTitleCaseOfKeyLabel(GERMAN, + "\u00DF\u015B\u0161", + "SS\u015A\u0160"); + // U+0259: "ə" LATIN SMALL LETTER SCHWA + // U+0069: "i" LATIN SMALL LETTER I + // U+0131: "ı" LATIN SMALL LETTER DOTLESS I + // U+018F: "Ə" LATIN SMALL LETTER SCHWA + // U+0130: "İ" LATIN SMALL LETTER I WITH DOT ABOVE + // U+0049: "I" LATIN SMALL LETTER I + assert_toTitleCaseOfKeyLabel(TURKEY, + "\u0259\u0069\u0131", + "\u018F\u0130\u0049"); + // U+03C3: "σ" GREEK SMALL LETTER SIGMA + // U+03C2: "ς" GREEK SMALL LETTER FINAL SIGMA + // U+03A3: "Σ" GREEK CAPITAL LETTER SIGMA + assert_toTitleCaseOfKeyLabel(GREECE, + "\u03C3\u03C2", + "\u03A3\u03A3"); + // U+03AC: "ά" GREEK SMALL LETTER ALPHA WITH TONOS + // U+03AD: "έ" GREEK SMALL LETTER EPSILON WITH TONOS + // U+03AE: "ή" GREEK SMALL LETTER ETA WITH TONOS + // U+03AF: "ί" GREEK SMALL LETTER IOTA WITH TONOS + // U+03CC: "ό" GREEK SMALL LETTER OMICRON WITH TONOS + // U+03CD: "ύ" GREEK SMALL LETTER UPSILON WITH TONOS + // U+03CE: "ώ" GREEK SMALL LETTER OMEGA WITH TONOS + // U+0386: "Ά" GREEK CAPITAL LETTER ALPHA WITH TONOS + // U+0388: "Έ" GREEK CAPITAL LETTER EPSILON WITH TONOS + // U+0389: "Ή" GREEK CAPITAL LETTER ETA WITH TONOS + // U+038A: "Ί" GREEK CAPITAL LETTER IOTA WITH TONOS + // U+038C: "Ό" GREEK CAPITAL LETTER OMICRON WITH TONOS + // U+038E: "Ύ" GREEK CAPITAL LETTER UPSILON WITH TONOS + // U+038F: "Ώ" GREEK CAPITAL LETTER OMEGA WITH TONOS + assert_toTitleCaseOfKeyLabel(GREECE, + "\u03AC\u03AD\u03AE\u03AF\u03CC\u03CD\u03CE", + "\u0386\u0388\u0389\u038A\u038C\u038E\u038F"); + // U+03CA: "ϊ" GREEK SMALL LETTER IOTA WITH DIALYTIKA + // U+03CB: "ϋ" GREEK SMALL LETTER UPSILON WITH DIALYTIKA + // U+0390: "ΐ" GREEK SMALL LETTER IOTA WITH DIALYTIKA AND TONOS + // U+03B0: "ΰ" GREEK SMALL LETTER UPSILON WITH DIALYTIKA AND TONOS + // U+03AA: "Ϊ" GREEK CAPITAL LETTER IOTA WITH DIALYTIKA + // U+03AB: "Ϋ" GREEK CAPITAL LETTER UPSILON WITH DIALYTIKA + // U+0399: "Ι" GREEK CAPITAL LETTER IOTA + // U+03A5: "Υ" GREEK CAPITAL LETTER UPSILON + // U+0308: COMBINING DIAERESIS + // U+0301: COMBINING GRAVE ACCENT + assert_toTitleCaseOfKeyLabel(GREECE, + "\u03CA\u03CB\u0390\u03B0", + "\u03AA\u03AB\u0399\u0308\u0301\u03A5\u0308\u0301"); + } + + private static void assert_toTitleCaseOfKeyCode(final Locale locale, final int lowerCase, + final int expected) { + assertEquals(lowerCase + " in " + locale, expected, + StringUtils.toTitleCaseOfKeyCode(lowerCase, locale)); + } + + @Test + public void test_toTitleCaseOfKeyCode() { + assert_toTitleCaseOfKeyCode(US, Constants.CODE_ENTER, Constants.CODE_ENTER); + assert_toTitleCaseOfKeyCode(US, Constants.CODE_SPACE, Constants.CODE_SPACE); + assert_toTitleCaseOfKeyCode(US, Constants.CODE_COMMA, Constants.CODE_COMMA); + // U+0069: "i" LATIN SMALL LETTER I + // U+0131: "ı" LATIN SMALL LETTER DOTLESS I + // U+0130: "İ" LATIN SMALL LETTER I WITH DOT ABOVE + // U+0049: "I" LATIN SMALL LETTER I + assert_toTitleCaseOfKeyCode(US, 0x0069, 0x0049); // i -> I + assert_toTitleCaseOfKeyCode(US, 0x0131, 0x0049); // ı -> I + assert_toTitleCaseOfKeyCode(TURKEY, 0x0069, 0x0130); // i -> İ + assert_toTitleCaseOfKeyCode(TURKEY, 0x0131, 0x0049); // ı -> I + // U+00DF: "ß" LATIN SMALL LETTER SHARP S + // The title case of "ß" is "SS". + assert_toTitleCaseOfKeyCode(US, 0x00DF, Constants.CODE_UNSPECIFIED); + // U+03AC: "ά" GREEK SMALL LETTER ALPHA WITH TONOS + // U+0386: "Ά" GREEK CAPITAL LETTER ALPHA WITH TONOS + assert_toTitleCaseOfKeyCode(GREECE, 0x03AC, 0x0386); + // U+03CA: "ϊ" GREEK SMALL LETTER IOTA WITH DIALYTIKA + // U+03AA: "Ϊ" GREEK CAPITAL LETTER IOTA WITH DIALYTIKA + assert_toTitleCaseOfKeyCode(GREECE, 0x03CA, 0x03AA); + // U+03B0: "ΰ" GREEK SMALL LETTER UPSILON WITH DIALYTIKA AND TONOS + // The title case of "ΰ" is "\u03A5\u0308\u0301". + assert_toTitleCaseOfKeyCode(GREECE, 0x03B0, Constants.CODE_UNSPECIFIED); + } + + private static void assert_capitalizeFirstCodePoint(final Locale locale, final String text, + final String expected) { + assertEquals(text + " in " + locale, expected, + StringUtils.capitalizeFirstCodePoint(text, locale)); + } + + @Test + public void test_capitalizeFirstCodePoint() { + assert_capitalizeFirstCodePoint(US, "", ""); + assert_capitalizeFirstCodePoint(US, "a", "A"); + assert_capitalizeFirstCodePoint(US, "à", "À"); + assert_capitalizeFirstCodePoint(US, "ß", "SS"); + assert_capitalizeFirstCodePoint(US, "text", "Text"); + assert_capitalizeFirstCodePoint(US, "iGoogle", "IGoogle"); + assert_capitalizeFirstCodePoint(TURKEY, "iyi", "İyi"); + assert_capitalizeFirstCodePoint(TURKEY, "ısırdı", "Isırdı"); + assert_capitalizeFirstCodePoint(GREECE, "ά", "Ά"); + assert_capitalizeFirstCodePoint(GREECE, "άνεση", "Άνεση"); + } + + private static void assert_capitalizeFirstAndDowncaseRest(final Locale locale, + final String text, final String expected) { + assertEquals(text + " in " + locale, expected, + StringUtils.capitalizeFirstAndDowncaseRest(text, locale)); + } + + @Test + public void test_capitalizeFirstAndDowncaseRest() { + assert_capitalizeFirstAndDowncaseRest(US, "", ""); + assert_capitalizeFirstAndDowncaseRest(US, "a", "A"); + assert_capitalizeFirstAndDowncaseRest(US, "à", "À"); + assert_capitalizeFirstAndDowncaseRest(US, "ß", "SS"); + assert_capitalizeFirstAndDowncaseRest(US, "text", "Text"); + assert_capitalizeFirstAndDowncaseRest(US, "iGoogle", "Igoogle"); + assert_capitalizeFirstAndDowncaseRest(US, "invite", "Invite"); + assert_capitalizeFirstAndDowncaseRest(US, "INVITE", "Invite"); + assert_capitalizeFirstAndDowncaseRest(TURKEY, "iyi", "İyi"); + assert_capitalizeFirstAndDowncaseRest(TURKEY, "İYİ", "İyi"); + assert_capitalizeFirstAndDowncaseRest(TURKEY, "ısırdı", "Isırdı"); + assert_capitalizeFirstAndDowncaseRest(TURKEY, "ISIRDI", "Isırdı"); + assert_capitalizeFirstAndDowncaseRest(GREECE, "ά", "Ά"); + assert_capitalizeFirstAndDowncaseRest(GREECE, "άνεση", "Άνεση"); + assert_capitalizeFirstAndDowncaseRest(GREECE, "ΆΝΕΣΗ", "Άνεση"); + } + + @Test + public void testContainsInArray() { + assertFalse("empty array", StringUtils.containsInArray("key", new String[0])); + assertFalse("not in 1 element", StringUtils.containsInArray("key", new String[] { + "key1" + })); + assertFalse("not in 2 elements", StringUtils.containsInArray("key", new String[] { + "key1", "key2" + })); + + assertTrue("in 1 element", StringUtils.containsInArray("key", new String[] { + "key" + })); + assertTrue("in 2 elements", StringUtils.containsInArray("key", new String[] { + "key1", "key" + })); + } + + @Test + public void testContainsInCommaSplittableText() { + assertFalse("null", StringUtils.containsInCommaSplittableText("key", null)); + assertFalse("empty", StringUtils.containsInCommaSplittableText("key", "")); + assertFalse("not in 1 element", + StringUtils.containsInCommaSplittableText("key", "key1")); + assertFalse("not in 2 elements", + StringUtils.containsInCommaSplittableText("key", "key1,key2")); + + assertTrue("in 1 element", StringUtils.containsInCommaSplittableText("key", "key")); + assertTrue("in 2 elements", StringUtils.containsInCommaSplittableText("key", "key1,key")); + } + + @Test + public void testRemoveFromCommaSplittableTextIfExists() { + assertEquals("null", "", StringUtils.removeFromCommaSplittableTextIfExists("key", null)); + assertEquals("empty", "", StringUtils.removeFromCommaSplittableTextIfExists("key", "")); + + assertEquals("not in 1 element", "key1", + StringUtils.removeFromCommaSplittableTextIfExists("key", "key1")); + assertEquals("not in 2 elements", "key1,key2", + StringUtils.removeFromCommaSplittableTextIfExists("key", "key1,key2")); + + assertEquals("in 1 element", "", + StringUtils.removeFromCommaSplittableTextIfExists("key", "key")); + assertEquals("in 2 elements at position 1", "key2", + StringUtils.removeFromCommaSplittableTextIfExists("key", "key,key2")); + assertEquals("in 2 elements at position 2", "key1", + StringUtils.removeFromCommaSplittableTextIfExists("key", "key1,key")); + assertEquals("in 3 elements at position 2", "key1,key3", + StringUtils.removeFromCommaSplittableTextIfExists("key", "key1,key,key3")); + + assertEquals("in 3 elements at position 1,2,3", "", + StringUtils.removeFromCommaSplittableTextIfExists("key", "key,key,key")); + assertEquals("in 5 elements at position 2,4", "key1,key3,key5", + StringUtils.removeFromCommaSplittableTextIfExists( + "key", "key1,key,key3,key,key5")); + } + + @Test + public void testCapitalizeFirstCodePoint() { + assertEquals("SSaa", + StringUtils.capitalizeFirstCodePoint("ßaa", Locale.GERMAN)); + assertEquals("Aßa", + StringUtils.capitalizeFirstCodePoint("aßa", Locale.GERMAN)); + assertEquals("Iab", + StringUtils.capitalizeFirstCodePoint("iab", Locale.ENGLISH)); + assertEquals("CAmElCaSe", + StringUtils.capitalizeFirstCodePoint("cAmElCaSe", Locale.ENGLISH)); + assertEquals("İab", + StringUtils.capitalizeFirstCodePoint("iab", new Locale("tr"))); + assertEquals("AİB", + StringUtils.capitalizeFirstCodePoint("AİB", new Locale("tr"))); + assertEquals("A", + StringUtils.capitalizeFirstCodePoint("a", Locale.ENGLISH)); + assertEquals("A", + StringUtils.capitalizeFirstCodePoint("A", Locale.ENGLISH)); + } + + @Test + public void testCapitalizeFirstAndDowncaseRest() { + assertEquals("SSaa", + StringUtils.capitalizeFirstAndDowncaseRest("ßaa", Locale.GERMAN)); + assertEquals("Aßa", + StringUtils.capitalizeFirstAndDowncaseRest("aßa", Locale.GERMAN)); + assertEquals("Iab", + StringUtils.capitalizeFirstAndDowncaseRest("iab", Locale.ENGLISH)); + assertEquals("Camelcase", + StringUtils.capitalizeFirstAndDowncaseRest("cAmElCaSe", Locale.ENGLISH)); + assertEquals("İab", + StringUtils.capitalizeFirstAndDowncaseRest("iab", new Locale("tr"))); + assertEquals("Aib", + StringUtils.capitalizeFirstAndDowncaseRest("AİB", new Locale("tr"))); + assertEquals("A", + StringUtils.capitalizeFirstAndDowncaseRest("a", Locale.ENGLISH)); + assertEquals("A", + StringUtils.capitalizeFirstAndDowncaseRest("A", Locale.ENGLISH)); + } + + @Test + public void testGetCapitalizationType() { + assertEquals(StringUtils.CAPITALIZE_NONE, + StringUtils.getCapitalizationType("capitalize")); + assertEquals(StringUtils.CAPITALIZE_NONE, + StringUtils.getCapitalizationType("cApITalize")); + assertEquals(StringUtils.CAPITALIZE_NONE, + StringUtils.getCapitalizationType("capitalizE")); + assertEquals(StringUtils.CAPITALIZE_NONE, + StringUtils.getCapitalizationType("__c a piu$@tali56ze")); + assertEquals(StringUtils.CAPITALIZE_FIRST, + StringUtils.getCapitalizationType("A__c a piu$@tali56ze")); + assertEquals(StringUtils.CAPITALIZE_FIRST, + StringUtils.getCapitalizationType("Capitalize")); + assertEquals(StringUtils.CAPITALIZE_FIRST, + StringUtils.getCapitalizationType(" Capitalize")); + assertEquals(StringUtils.CAPITALIZE_ALL, + StringUtils.getCapitalizationType("CAPITALIZE")); + assertEquals(StringUtils.CAPITALIZE_ALL, + StringUtils.getCapitalizationType(" PI26LIE")); + assertEquals(StringUtils.CAPITALIZE_NONE, + StringUtils.getCapitalizationType("")); + } + + @Test + public void testIsIdenticalAfterUpcaseIsIdenticalAfterDowncase() { + assertFalse(StringUtils.isIdenticalAfterUpcase("capitalize")); + assertTrue(StringUtils.isIdenticalAfterDowncase("capitalize")); + assertFalse(StringUtils.isIdenticalAfterUpcase("cApITalize")); + assertFalse(StringUtils.isIdenticalAfterDowncase("cApITalize")); + assertFalse(StringUtils.isIdenticalAfterUpcase("capitalizE")); + assertFalse(StringUtils.isIdenticalAfterDowncase("capitalizE")); + assertFalse(StringUtils.isIdenticalAfterUpcase("__c a piu$@tali56ze")); + assertTrue(StringUtils.isIdenticalAfterDowncase("__c a piu$@tali56ze")); + assertFalse(StringUtils.isIdenticalAfterUpcase("A__c a piu$@tali56ze")); + assertFalse(StringUtils.isIdenticalAfterDowncase("A__c a piu$@tali56ze")); + assertFalse(StringUtils.isIdenticalAfterUpcase("Capitalize")); + assertFalse(StringUtils.isIdenticalAfterDowncase("Capitalize")); + assertFalse(StringUtils.isIdenticalAfterUpcase(" Capitalize")); + assertFalse(StringUtils.isIdenticalAfterDowncase(" Capitalize")); + assertTrue(StringUtils.isIdenticalAfterUpcase("CAPITALIZE")); + assertFalse(StringUtils.isIdenticalAfterDowncase("CAPITALIZE")); + assertTrue(StringUtils.isIdenticalAfterUpcase(" PI26LIE")); + assertFalse(StringUtils.isIdenticalAfterDowncase(" PI26LIE")); + assertTrue(StringUtils.isIdenticalAfterUpcase("")); + assertTrue(StringUtils.isIdenticalAfterDowncase("")); + } + + private static void checkCapitalize(final String src, final String dst, + final int[] sortedSeparators, final Locale locale) { + assertEquals(dst, StringUtils.capitalizeEachWord(src, sortedSeparators, locale)); + assert(src.equals(dst) + == StringUtils.isIdenticalAfterCapitalizeEachWord(src, sortedSeparators)); + } + + private static final int[] SPACE = { Constants.CODE_SPACE }; + private static final int[] SPACE_PERIOD = StringUtils.toSortedCodePointArray(" ."); + private static final int[] SENTENCE_SEPARATORS = + StringUtils.toSortedCodePointArray(" \n.!?*()&"); + private static final int[] WORD_SEPARATORS = StringUtils.toSortedCodePointArray(" \n.!?*,();&"); + + @Test + public void testCapitalizeEachWord() { + checkCapitalize("", "", SPACE, Locale.ENGLISH); + checkCapitalize("test", "Test", SPACE, Locale.ENGLISH); + checkCapitalize(" test", " Test", SPACE, Locale.ENGLISH); + checkCapitalize("Test", "Test", SPACE, Locale.ENGLISH); + checkCapitalize(" Test", " Test", SPACE, Locale.ENGLISH); + checkCapitalize(".Test", ".test", SPACE, Locale.ENGLISH); + checkCapitalize(".Test", ".Test", SPACE_PERIOD, Locale.ENGLISH); + checkCapitalize("test and retest", "Test And Retest", SPACE_PERIOD, Locale.ENGLISH); + checkCapitalize("Test and retest", "Test And Retest", SPACE_PERIOD, Locale.ENGLISH); + checkCapitalize("Test And Retest", "Test And Retest", SPACE_PERIOD, Locale.ENGLISH); + checkCapitalize("Test And.Retest ", "Test And.Retest ", SPACE_PERIOD, Locale.ENGLISH); + checkCapitalize("Test And.retest ", "Test And.Retest ", SPACE_PERIOD, Locale.ENGLISH); + checkCapitalize("Test And.retest ", "Test And.retest ", SPACE, Locale.ENGLISH); + checkCapitalize("Test And.Retest ", "Test And.retest ", SPACE, Locale.ENGLISH); + checkCapitalize("test and ietest", "Test And İetest", SPACE_PERIOD, new Locale("tr")); + checkCapitalize("test and ietest", "Test And Ietest", SPACE_PERIOD, Locale.ENGLISH); + checkCapitalize("Test&Retest", "Test&Retest", SENTENCE_SEPARATORS, Locale.ENGLISH); + checkCapitalize("Test&retest", "Test&Retest", SENTENCE_SEPARATORS, Locale.ENGLISH); + checkCapitalize("test&Retest", "Test&Retest", SENTENCE_SEPARATORS, Locale.ENGLISH); + checkCapitalize("rest\nrecreation! And in the end...", + "Rest\nRecreation! And In The End...", WORD_SEPARATORS, Locale.ENGLISH); + checkCapitalize("lorem ipsum dolor sit amet", "Lorem Ipsum Dolor Sit Amet", + WORD_SEPARATORS, Locale.ENGLISH); + checkCapitalize("Lorem!Ipsum (Dolor) Sit * Amet", "Lorem!Ipsum (Dolor) Sit * Amet", + WORD_SEPARATORS, Locale.ENGLISH); + checkCapitalize("Lorem!Ipsum (dolor) Sit * Amet", "Lorem!Ipsum (Dolor) Sit * Amet", + WORD_SEPARATORS, Locale.ENGLISH); + } + + @Test + public void testLooksLikeURL() { + assertTrue(StringUtils.lastPartLooksLikeURL("http://www.google.")); + assertFalse(StringUtils.lastPartLooksLikeURL("word wo")); + assertTrue(StringUtils.lastPartLooksLikeURL("/etc/foo")); + assertFalse(StringUtils.lastPartLooksLikeURL("left/right")); + assertTrue(StringUtils.lastPartLooksLikeURL("www.goo")); + assertTrue(StringUtils.lastPartLooksLikeURL("www.")); + assertFalse(StringUtils.lastPartLooksLikeURL("U.S.A")); + assertFalse(StringUtils.lastPartLooksLikeURL("U.S.A.")); + assertTrue(StringUtils.lastPartLooksLikeURL("rtsp://foo.")); + assertTrue(StringUtils.lastPartLooksLikeURL("://")); + assertFalse(StringUtils.lastPartLooksLikeURL("abc/")); + assertTrue(StringUtils.lastPartLooksLikeURL("abc.def/ghi")); + assertFalse(StringUtils.lastPartLooksLikeURL("abc.def")); + // TODO: ideally this would not look like a URL, but to keep down the complexity of the + // code for now True is acceptable. + assertTrue(StringUtils.lastPartLooksLikeURL("abc./def")); + // TODO: ideally this would not look like a URL, but to keep down the complexity of the + // code for now True is acceptable. + assertTrue(StringUtils.lastPartLooksLikeURL(".abc/def")); + } + + @Test + public void testHexStringUtils() { + final byte[] bytes = new byte[] { (byte)0x01, (byte)0x11, (byte)0x22, (byte)0x33, + (byte)0x55, (byte)0x88, (byte)0xEE }; + final String bytesStr = StringUtils.byteArrayToHexString(bytes); + final byte[] bytes2 = StringUtils.hexStringToByteArray(bytesStr); + for (int i = 0; i < bytes.length; ++i) { + assertTrue(bytes[i] == bytes2[i]); + } + final String bytesStr2 = StringUtils.byteArrayToHexString(bytes2); + assertTrue(bytesStr.equals(bytesStr2)); + } + + @Test + public void testToCodePointArray() { + final String STR_WITH_SUPPLEMENTARY_CHAR = "abcde\uD861\uDED7fgh\u0000\u2002\u2003\u3000xx"; + final int[] EXPECTED_RESULT = new int[] { 'a', 'b', 'c', 'd', 'e', 0x286D7, 'f', 'g', 'h', + 0, 0x2002, 0x2003, 0x3000, 'x', 'x'}; + final int[] codePointArray = StringUtils.toCodePointArray(STR_WITH_SUPPLEMENTARY_CHAR, 0, + STR_WITH_SUPPLEMENTARY_CHAR.length()); + assertEquals("toCodePointArray, size matches", codePointArray.length, + EXPECTED_RESULT.length); + for (int i = 0; i < EXPECTED_RESULT.length; ++i) { + assertEquals("toCodePointArray position " + i, codePointArray[i], EXPECTED_RESULT[i]); + } + } + + @Test + public void testCopyCodePointsAndReturnCodePointCount() { + final String STR_WITH_SUPPLEMENTARY_CHAR = "AbcDE\uD861\uDED7fGh\u0000\u2002\u3000あx"; + final int[] EXPECTED_RESULT = new int[] { 'A', 'b', 'c', 'D', 'E', 0x286D7, + 'f', 'G', 'h', 0, 0x2002, 0x3000, 'あ', 'x'}; + final int[] EXPECTED_RESULT_DOWNCASE = new int[] { 'a', 'b', 'c', 'd', 'e', 0x286D7, + 'f', 'g', 'h', 0, 0x2002, 0x3000, 'あ', 'x'}; + + int[] codePointArray = new int[50]; + int codePointCount = StringUtils.copyCodePointsAndReturnCodePointCount(codePointArray, + STR_WITH_SUPPLEMENTARY_CHAR, 0, + STR_WITH_SUPPLEMENTARY_CHAR.length(), false /* downCase */); + assertEquals("copyCodePointsAndReturnCodePointCount, size matches", codePointCount, + EXPECTED_RESULT.length); + for (int i = 0; i < codePointCount; ++i) { + assertEquals("copyCodePointsAndReturnCodePointCount position " + i, codePointArray[i], + EXPECTED_RESULT[i]); + } + + codePointCount = StringUtils.copyCodePointsAndReturnCodePointCount(codePointArray, + STR_WITH_SUPPLEMENTARY_CHAR, 0, + STR_WITH_SUPPLEMENTARY_CHAR.length(), true /* downCase */); + assertEquals("copyCodePointsAndReturnCodePointCount downcase, size matches", codePointCount, + EXPECTED_RESULT_DOWNCASE.length); + for (int i = 0; i < codePointCount; ++i) { + assertEquals("copyCodePointsAndReturnCodePointCount position " + i, codePointArray[i], + EXPECTED_RESULT_DOWNCASE[i]); + } + + final int JAVA_CHAR_COUNT = 8; + final int CODEPOINT_COUNT = 7; + codePointCount = StringUtils.copyCodePointsAndReturnCodePointCount(codePointArray, + STR_WITH_SUPPLEMENTARY_CHAR, 0, JAVA_CHAR_COUNT, false /* downCase */); + assertEquals("copyCodePointsAndReturnCodePointCount, size matches", codePointCount, + CODEPOINT_COUNT); + for (int i = 0; i < codePointCount; ++i) { + assertEquals("copyCodePointsAndReturnCodePointCount position " + i, codePointArray[i], + EXPECTED_RESULT[i]); + } + + boolean exceptionHappened = false; + codePointArray = new int[5]; + try { + codePointCount = StringUtils.copyCodePointsAndReturnCodePointCount(codePointArray, + STR_WITH_SUPPLEMENTARY_CHAR, 0, JAVA_CHAR_COUNT, false /* downCase */); + } catch (ArrayIndexOutOfBoundsException e) { + exceptionHappened = true; + } + assertTrue("copyCodePointsAndReturnCodePointCount throws when array is too small", + exceptionHappened); + } + + @Test + public void testGetTrailingSingleQuotesCount() { + assertEquals(0, StringUtils.getTrailingSingleQuotesCount("")); + assertEquals(1, StringUtils.getTrailingSingleQuotesCount("'")); + assertEquals(5, StringUtils.getTrailingSingleQuotesCount("'''''")); + assertEquals(0, StringUtils.getTrailingSingleQuotesCount("a")); + assertEquals(0, StringUtils.getTrailingSingleQuotesCount("'this")); + assertEquals(1, StringUtils.getTrailingSingleQuotesCount("'word'")); + assertEquals(0, StringUtils.getTrailingSingleQuotesCount("I'm")); + } +} |