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- // Copyright (c) 2012 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "components/spellcheck/renderer/spellcheck_worditerator.h"
- #include <stddef.h>
- #include <string>
- #include <vector>
- #include "base/format_macros.h"
- #include "base/i18n/break_iterator.h"
- #include "base/strings/string_split.h"
- #include "base/strings/stringprintf.h"
- #include "base/strings/utf_string_conversions.h"
- #include "testing/gtest/include/gtest/gtest.h"
- using base::i18n::BreakIterator;
- using WordIteratorStatus = SpellcheckWordIterator::WordIteratorStatus;
- namespace {
- struct TestCase {
- const char* language;
- bool allow_contraction;
- const wchar_t* expected_words;
- };
- std::u16string GetRulesForLanguage(const std::string& language) {
- SpellcheckCharAttribute attribute;
- attribute.SetDefaultLanguage(language);
- return attribute.GetRuleSet(true);
- }
- WordIteratorStatus GetNextNonSkippableWord(SpellcheckWordIterator* iterator,
- std::u16string* word_string,
- size_t* word_start,
- size_t* word_length) {
- WordIteratorStatus status = SpellcheckWordIterator::IS_SKIPPABLE;
- while (status == SpellcheckWordIterator::IS_SKIPPABLE)
- status = iterator->GetNextWord(word_string, word_start, word_length);
- return status;
- }
- } // namespace
- // Tests whether or not our SpellcheckWordIterator can extract words used by the
- // specified language from a multi-language text.
- TEST(SpellcheckWordIteratorTest, SplitWord) {
- // An input text. This text includes words of several languages. (Some words
- // are not separated with whitespace characters.) Our SpellcheckWordIterator
- // should extract the words used by the specified language from this text and
- // normalize them so our spell-checker can check their spellings. If
- // characters are found that are not from the specified language the test
- // skips them.
- const char16_t kTestText[] =
- // Graphic characters
- u"!@#$%^&*()"
- // Latin (including a contraction character and a ligature).
- u"hello:hello a\xFB03x"
- // Greek
- u"\x03B3\x03B5\x03B9\x03AC\x0020\x03C3\x03BF\x03C5"
- // Cyrillic
- u"\x0437\x0434\x0440\x0430\x0432\x0441\x0442\x0432"
- u"\x0443\x0439\x0442\x0435"
- // Hebrew (including niqquds)
- u"\x05e9\x05c1\x05b8\x05dc\x05d5\x05b9\x05dd "
- // Hebrew words with U+0027 and U+05F3
- u"\x05e6\x0027\x05d9\x05e4\x05e1 \x05e6\x05F3\x05d9\x05e4\x05e1 "
- // Hebrew words with U+0022 and U+05F4
- u"\x05e6\x05d4\x0022\x05dc \x05e6\x05d4\x05f4\x05dc "
- // Hebrew words enclosed with ASCII quotes.
- u"\"\x05e6\x05d4\x0022\x05dc\" '\x05e9\x05c1\x05b8\x05dc\x05d5'"
- // Arabic (including vowel marks)
- u"\x0627\x064e\x0644\x0633\x064e\x0651\x0644\x0627\x0645\x064f "
- u"\x0639\x064e\x0644\x064e\x064a\x0652\x0643\x064f\x0645\x0652 "
- // Farsi/Persian (including vowel marks)
- // Make sure \u064b - \u0652 are removed.
- u"\x0647\x0634\x064e\x0631\x062d "
- u"\x0647\x062e\x0648\x0627\x0647 "
- u"\x0650\x062f\x0631\x062f "
- u"\x0631\x0645\x0627\x0646\x0652 "
- u"\x0633\x0631\x0651 "
- u"\x0646\x0646\x064e\x062c\x064f\x0633 "
- u"\x0627\x0644\x062d\x0645\x062f "
- // Also make sure that class "Lm" (the \u0640) is filtered out too.
- u"\x062c\x062c\x0640\x062c\x062c"
- // Hindi
- u"\x0930\x093E\x091C\x0927\x093E\x0928"
- // Thai
- u"\x0e2a\x0e27\x0e31\x0e2a\x0e14\x0e35\x0020\x0e04"
- u"\x0e23\x0e31\x0e1a"
- // Hiraganas
- u"\x3053\x3093\x306B\x3061\x306F"
- // CJKV ideographs
- u"\x4F60\x597D"
- // Hangul Syllables
- u"\xC548\xB155\xD558\xC138\xC694"
- // Full-width latin : Hello
- u"\xFF28\xFF45\xFF4C\xFF4C\xFF4F "
- u"e.g.,";
- // The languages and expected results used in this test.
- static const TestCase kTestCases[] = {
- {
- // English (keep contraction words)
- "en-US", true, L"hello:hello affix Hello e.g"
- }, {
- // English (split contraction words)
- "en-US", false, L"hello hello affix Hello e g"
- }, {
- // Greek
- "el-GR", true,
- L"\x03B3\x03B5\x03B9\x03AC\x0020\x03C3\x03BF\x03C5"
- }, {
- // Russian
- "ru-RU", true,
- L"\x0437\x0434\x0440\x0430\x0432\x0441\x0442\x0432"
- L"\x0443\x0439\x0442\x0435"
- }, {
- // Hebrew
- "he-IL", true,
- L"\x05e9\x05dc\x05d5\x05dd "
- L"\x05e6\x0027\x05d9\x05e4\x05e1 \x05e6\x05F3\x05d9\x05e4\x05e1 "
- L"\x05e6\x05d4\x0022\x05dc \x05e6\x05d4\x05f4\x05dc "
- L"\x05e6\x05d4\x0022\x05dc \x05e9\x05dc\x05d5"
- }, {
- // Arabic
- "ar", true,
- L"\x0627\x0644\x0633\x0644\x0627\x0645 "
- L"\x0639\x0644\x064a\x0643\x0645 "
- // Farsi/Persian
- L"\x0647\x0634\x0631\x062d "
- L"\x0647\x062e\x0648\x0627\x0647 "
- L"\x062f\x0631\x062f "
- L"\x0631\x0645\x0627\x0646 "
- L"\x0633\x0631 "
- L"\x0646\x0646\x062c\x0633 "
- L"\x0627\x0644\x062d\x0645\x062f "
- L"\x062c\x062c\x062c\x062c"
- }, {
- // Hindi
- "hi-IN", true,
- L"\x0930\x093E\x091C\x0927\x093E\x0928"
- }, {
- // Thai
- "th-TH", true,
- L"\x0e2a\x0e27\x0e31\x0e2a\x0e14\x0e35\x0020\x0e04"
- L"\x0e23\x0e31\x0e1a"
- }, {
- // Korean
- "ko-KR", true,
- L"\x110b\x1161\x11ab\x1102\x1167\x11bc\x1112\x1161"
- L"\x1109\x1166\x110b\x116d"
- },
- };
- for (size_t i = 0; i < std::size(kTestCases); ++i) {
- SCOPED_TRACE(base::StringPrintf("kTestCases[%" PRIuS "]: language=%s", i,
- kTestCases[i].language));
- SpellcheckCharAttribute attributes;
- attributes.SetDefaultLanguage(kTestCases[i].language);
- std::u16string input(kTestText);
- SpellcheckWordIterator iterator;
- EXPECT_TRUE(iterator.Initialize(&attributes,
- kTestCases[i].allow_contraction));
- EXPECT_TRUE(iterator.SetText(input.c_str(), input.length()));
- std::vector<std::u16string> expected_words = base::SplitString(
- base::WideToUTF16(kTestCases[i].expected_words), std::u16string(1, ' '),
- base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
- std::u16string actual_word;
- size_t actual_start, actual_len;
- size_t index = 0;
- for (SpellcheckWordIterator::WordIteratorStatus status =
- iterator.GetNextWord(&actual_word, &actual_start, &actual_len);
- status != SpellcheckWordIterator::IS_END_OF_TEXT;
- status =
- iterator.GetNextWord(&actual_word, &actual_start, &actual_len)) {
- if (status == SpellcheckWordIterator::WordIteratorStatus::IS_SKIPPABLE)
- continue;
- EXPECT_TRUE(index < expected_words.size());
- if (index < expected_words.size())
- EXPECT_EQ(expected_words[index], actual_word);
- ++index;
- }
- }
- }
- // Tests whether our SpellcheckWordIterator extracts an empty word without
- // getting stuck in an infinite loop when inputting a Khmer text. (This is a
- // regression test for Issue 46278.)
- TEST(SpellcheckWordIteratorTest, RuleSetConsistency) {
- SpellcheckCharAttribute attributes;
- attributes.SetDefaultLanguage("en-US");
- const char16_t kTestText[] = u"\x1791\x17c1\x002e";
- std::u16string input(kTestText);
- SpellcheckWordIterator iterator;
- EXPECT_TRUE(iterator.Initialize(&attributes, true));
- EXPECT_TRUE(iterator.SetText(input.c_str(), input.length()));
- // When SpellcheckWordIterator uses an inconsistent ICU ruleset, the following
- // iterator.GetNextWord() calls get stuck in an infinite loop. Therefore, this
- // test succeeds if this call returns without timeouts.
- std::u16string actual_word;
- size_t actual_start, actual_len;
- WordIteratorStatus status = GetNextNonSkippableWord(
- &iterator, &actual_word, &actual_start, &actual_len);
- EXPECT_EQ(SpellcheckWordIterator::WordIteratorStatus::IS_END_OF_TEXT, status);
- EXPECT_EQ(0u, actual_start);
- EXPECT_EQ(0u, actual_len);
- }
- // Vertify our SpellcheckWordIterator can treat ASCII numbers as word characters
- // on LTR languages. On the other hand, it should not treat ASCII numbers as
- // word characters on RTL languages because they change the text direction from
- // RTL to LTR.
- TEST(SpellcheckWordIteratorTest, TreatNumbersAsWordCharacters) {
- // A set of a language, a dummy word, and a text direction used in this test.
- // For each language, this test splits a dummy word, which consists of ASCII
- // numbers and an alphabet of the language, into words. When ASCII numbers are
- // treated as word characters, the split word becomes equal to the dummy word.
- // Otherwise, the split word does not include ASCII numbers.
- static const struct {
- const char* language;
- const wchar_t* text;
- bool left_to_right;
- } kTestCases[] = {
- {
- // English
- "en-US", L"0123456789" L"a", true,
- }, {
- // Greek
- "el-GR", L"0123456789" L"\x03B1", true,
- }, {
- // Russian
- "ru-RU", L"0123456789" L"\x0430", true,
- }, {
- // Hebrew
- "he-IL", L"0123456789" L"\x05D0", false,
- }, {
- // Arabic
- "ar", L"0123456789" L"\x0627", false,
- }, {
- // Hindi
- "hi-IN", L"0123456789" L"\x0905", true,
- }, {
- // Thai
- "th-TH", L"0123456789" L"\x0e01", true,
- }, {
- // Korean
- "ko-KR", L"0123456789" L"\x1100\x1161", true,
- },
- };
- for (size_t i = 0; i < std::size(kTestCases); ++i) {
- SCOPED_TRACE(base::StringPrintf("kTestCases[%" PRIuS "]: language=%s", i,
- kTestCases[i].language));
- SpellcheckCharAttribute attributes;
- attributes.SetDefaultLanguage(kTestCases[i].language);
- std::u16string input_word(base::WideToUTF16(kTestCases[i].text));
- SpellcheckWordIterator iterator;
- EXPECT_TRUE(iterator.Initialize(&attributes, true));
- EXPECT_TRUE(iterator.SetText(input_word.c_str(), input_word.length()));
- std::u16string actual_word;
- size_t actual_start, actual_len;
- WordIteratorStatus status = GetNextNonSkippableWord(
- &iterator, &actual_word, &actual_start, &actual_len);
- EXPECT_EQ(SpellcheckWordIterator::WordIteratorStatus::IS_WORD, status);
- if (kTestCases[i].left_to_right)
- EXPECT_EQ(input_word, actual_word);
- else
- EXPECT_NE(input_word, actual_word);
- }
- }
- // Verify SpellcheckWordIterator treats typographical apostrophe as a part of
- // the word.
- TEST(SpellcheckWordIteratorTest, TypographicalApostropheIsPartOfWord) {
- static const struct {
- const char* language;
- const wchar_t* input;
- const wchar_t* expected;
- } kTestCases[] = {
- // Typewriter apostrophe:
- {"en-AU", L"you're", L"you're"},
- {"en-CA", L"you're", L"you're"},
- {"en-GB", L"you're", L"you're"},
- {"en-US", L"you're", L"you're"},
- {"en-US", L"!!!!you're", L"you're"},
- // Typographical apostrophe:
- {"en-AU", L"you\x2019re", L"you\x2019re"},
- {"en-CA", L"you\x2019re", L"you\x2019re"},
- {"en-GB", L"you\x2019re", L"you\x2019re"},
- {"en-US", L"you\x2019re", L"you\x2019re"},
- {"en-US", L"....you\x2019re", L"you\x2019re"},
- };
- for (size_t i = 0; i < std::size(kTestCases); ++i) {
- SpellcheckCharAttribute attributes;
- attributes.SetDefaultLanguage(kTestCases[i].language);
- std::u16string input_word(base::WideToUTF16(kTestCases[i].input));
- std::u16string expected_word(base::WideToUTF16(kTestCases[i].expected));
- SpellcheckWordIterator iterator;
- EXPECT_TRUE(iterator.Initialize(&attributes, true));
- EXPECT_TRUE(iterator.SetText(input_word.c_str(), input_word.length()));
- std::u16string actual_word;
- size_t actual_start, actual_len;
- WordIteratorStatus status = GetNextNonSkippableWord(
- &iterator, &actual_word, &actual_start, &actual_len);
- EXPECT_EQ(SpellcheckWordIterator::WordIteratorStatus::IS_WORD, status);
- EXPECT_EQ(expected_word, actual_word);
- EXPECT_LE(0u, actual_start);
- EXPECT_EQ(expected_word.length(), actual_len);
- }
- }
- TEST(SpellcheckWordIteratorTest, Initialization) {
- // Test initialization works when a default language is set.
- {
- SpellcheckCharAttribute attributes;
- attributes.SetDefaultLanguage("en-US");
- SpellcheckWordIterator iterator;
- EXPECT_TRUE(iterator.Initialize(&attributes, true));
- }
- // Test initialization fails when no default language is set.
- {
- SpellcheckCharAttribute attributes;
- SpellcheckWordIterator iterator;
- EXPECT_FALSE(iterator.Initialize(&attributes, true));
- }
- }
- // This test uses English rules to check that different character set
- // combinations properly find word breaks and skippable characters.
- TEST(SpellcheckWordIteratorTest, FindSkippableWordsEnglish) {
- // A string containing the English word "foo", followed by two Khmer
- // characters, the English word "Can", and then two Russian characters and
- // punctuation.
- std::u16string text(u"foo \x1791\x17C1 Can \x041C\x0438...");
- BreakIterator iter(text, GetRulesForLanguage("en-US"));
- ASSERT_TRUE(iter.Init());
- EXPECT_TRUE(iter.Advance());
- // Finds "foo".
- EXPECT_EQ(u"foo", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_WORD_BREAK);
- EXPECT_TRUE(iter.Advance());
- // Finds the space and then the Khmer characters.
- EXPECT_EQ(u" ", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u"\x1791\x17C1", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- // Finds the next space and "Can".
- EXPECT_EQ(u" ", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u"Can", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_WORD_BREAK);
- EXPECT_TRUE(iter.Advance());
- // Finds the next space and each Russian character.
- EXPECT_EQ(u" ", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u"\x041C", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u"\x0438", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- // Finds the periods at the end.
- EXPECT_EQ(u".", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u".", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u".", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_FALSE(iter.Advance());
- }
- // This test uses Russian rules to check that different character set
- // combinations properly find word breaks and skippable characters.
- TEST(SpellcheckWordIteratorTest, FindSkippableWordsRussian) {
- // A string containing punctuation followed by two Russian characters, the
- // English word "Can", and then two Khmer characters.
- std::u16string text(u".;\x041C\x0438 Can \x1791\x17C1 ");
- BreakIterator iter(text, GetRulesForLanguage("ru-RU"));
- ASSERT_TRUE(iter.Init());
- EXPECT_TRUE(iter.Advance());
- // Finds the period and semicolon.
- EXPECT_EQ(u".", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u";", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- // Finds all the Russian characters.
- EXPECT_EQ(u"\x041C\x0438", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_WORD_BREAK);
- EXPECT_TRUE(iter.Advance());
- // Finds the space and each character in "Can".
- EXPECT_EQ(u" ", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u"C", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u"a", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u"n", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- // Finds the next space, the Khmer characters, and the last two spaces.
- EXPECT_EQ(u" ", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u"\x1791\x17C1", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u" ", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u" ", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_FALSE(iter.Advance());
- }
- // This test uses Khmer rules to check that different character set combinations
- // properly find word breaks and skippable characters. Khmer does not use spaces
- // between words and uses a dictionary to determine word breaks instead.
- TEST(SpellcheckWordIteratorTest, FindSkippableWordsKhmer) {
- // A string containing two Russian characters followed by two, three, and
- // two-character Khmer words, and then English characters and punctuation.
- std::u16string text(
- u"\x041C\x0438 \x178F\x17BE\x179B\x17C4\x1780\x1798\x1780zoo. ,");
- BreakIterator iter(text, GetRulesForLanguage("km"));
- ASSERT_TRUE(iter.Init());
- EXPECT_TRUE(iter.Advance());
- // Finds each Russian character and the space.
- EXPECT_EQ(u"\x041C", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u"\x0438", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u" ", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- // Finds the first two-character Khmer word.
- EXPECT_EQ(u"\x178F\x17BE", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_WORD_BREAK);
- EXPECT_TRUE(iter.Advance());
- // Finds the three-character Khmer word and then the next two-character word.
- // Note: Technically these are two different Khmer words so the Khmer language
- // rule should find a break between them but due to the heuristic/statistical
- // nature of the Khmer word breaker it does not.
- EXPECT_EQ(u"\x179B\x17C4\x1780\x1798\x1780", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_WORD_BREAK);
- EXPECT_TRUE(iter.Advance());
- // Finds each character in "zoo".
- EXPECT_EQ(u"z", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u"o", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u"o", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- // Finds the period, space, and comma.
- EXPECT_EQ(u".", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u" ", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_TRUE(iter.Advance());
- EXPECT_EQ(u",", iter.GetString());
- EXPECT_EQ(iter.GetWordBreakStatus(), BreakIterator::IS_SKIPPABLE_WORD);
- EXPECT_FALSE(iter.Advance());
- }
- TEST(SpellcheckCharAttributeTest, IsTextInSameScript) {
- struct LanguageWithSampleText {
- const char* language;
- const wchar_t* sample_text;
- };
- static const std::vector<LanguageWithSampleText> kLanguagesWithSampleText = {
- // Latin
- {"fr", L"Libert\x00e9, \x00e9galitt\x00e9, fraternit\x00e9."},
- // Greek
- {"el", L"\x03B3\x03B5\x03B9\x03AC\x0020\x03C3\x03BF\x03C5"},
- // Cyrillic
- {"ru",
- L"\x0437\x0434\x0440\x0430\x0432\x0441\x0442\x0432\x0443\x0439\x0442"
- L"\x0435"},
- // Hebrew
- {"he", L"\x05e9\x05c1\x05b8\x05dc\x05d5\x05b9\x05dd"},
- // Arabic
- {"ar",
- L"\x0627\x064e\x0644\x0633\x064e\x0651\x0644\x0627\x0645\x064f\x0639"
- L"\x064e\x0644\x064e\x064a\x0652\x0643\x064f\x0645\x0652 "},
- // Hindi
- {"hi", L"\x0930\x093E\x091C\x0927\x093E\x0928"},
- // Thai
- {"th",
- L"\x0e2a\x0e27\x0e31\x0e2a\x0e14\x0e35\x0020\x0e04\x0e23\x0e31\x0e1a"},
- // Hiragata
- {"jp-Hira", L"\x3053\x3093\x306B\x3061\x306F"},
- // Katakana
- {"jp-Kana", L"\x30b3\x30de\x30fc\x30b9"},
- // CJKV ideographs
- {"zh-Hani", L"\x4F60\x597D"},
- // Hangul Syllables
- {"ko", L"\xC548\xB155\xD558\xC138\xC694"},
- };
- for (const auto& testcase : kLanguagesWithSampleText) {
- SpellcheckCharAttribute attribute;
- attribute.SetDefaultLanguage(testcase.language);
- std::u16string sample_text(base::WideToUTF16(testcase.sample_text));
- EXPECT_TRUE(attribute.IsTextInSameScript(sample_text))
- << "Language \"" << testcase.language
- << "\" fails to identify that sample text in same language is in same "
- "script.";
- // All other scripts in isolatation or mixed with current script should
- // return false.
- for (const auto& other_script : kLanguagesWithSampleText) {
- if (testcase.language == other_script.language)
- continue;
- std::u16string other_sample_text(
- base::WideToUTF16(other_script.sample_text));
- EXPECT_FALSE(attribute.IsTextInSameScript(other_sample_text))
- << "Language \"" << testcase.language
- << "\" fails to identify that sample text in language \""
- << other_script.language << "\" is in different script.";
- EXPECT_FALSE(
- attribute.IsTextInSameScript(sample_text + other_sample_text))
- << "Language \"" << testcase.language
- << "\" fails to identify that sample text in language \""
- << other_script.language
- << "\" is in different script when appended to text in this script.";
- EXPECT_FALSE(
- attribute.IsTextInSameScript(other_sample_text + sample_text))
- << "Language \"" << testcase.language
- << "\" fails to identify that sample text in language \""
- << other_script.language
- << "\" is in different script when prepended to text in this script.";
- }
- }
- }
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