base/i18n/transliterator_unittest.cc

   1 // Copyright 2021 The Chromium Authors
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "build/build_config.h"
   6 #include "base/i18n/unicodestring.h"
   7 #include "testing/gtest/include/gtest/gtest.h"
   8 #include "third_party/icu/source/common/unicode/ustring.h"
   9 #include "third_party/icu/source/i18n/unicode/translit.h"
  10
  11 namespace base {
  12 namespace i18n {
  13
  14 TEST(TransliteratorTest, LowerCorrect) {
  15   UParseError parseErr;
  16   UErrorCode err = U_ZERO_ERROR;
  17   std::unique_ptr<icu::Transliterator> transliterator(
  18       icu::Transliterator::createInstance("Lower", UTRANS_FORWARD,
  19                                           parseErr, err));
  20   ASSERT_TRUE(U_SUCCESS(err));
  21   icu::UnicodeString text(u"ÎÑŢÉRÑÅŢÎÖÑÅĻÎŽÅŢÎÖÑ");
  22   transliterator->transliterate(text);
  23   EXPECT_EQ(base::i18n::UnicodeStringToString16(text), u"îñţérñåţîöñåļîžåţîöñ");
  24 }
  25
  26 TEST(TransliteratorTest, LatinASCIICorrect) {
  27   UParseError parseErr;
  28   UErrorCode err = U_ZERO_ERROR;
  29   std::unique_ptr<icu::Transliterator> transliterator(
  30       icu::Transliterator::createInstance("Latin-ASCII", UTRANS_FORWARD,
  31                                           parseErr, err));
  32   ASSERT_TRUE(U_SUCCESS(err));
  33   icu::UnicodeString text(u"ÎÑŢÉRÑÅŢÎÖÑÅĻÎŽÅŢÎÖÑ");
  34   transliterator->transliterate(text);
  35   EXPECT_EQ(base::i18n::UnicodeStringToString16(text), u"INTERNATIONALIZATION");
  36 }
  37
  38 TEST(TransliteratorTest, LowerLatinASCIICorrect) {
  39   UParseError parseErr;
  40   UErrorCode err = U_ZERO_ERROR;
  41   std::unique_ptr<icu::Transliterator> transliterator(
  42       icu::Transliterator::createInstance("Lower;Latin-ASCII", UTRANS_FORWARD,
  43                                           parseErr, err));
  44   ASSERT_TRUE(U_SUCCESS(err));
  45   icu::UnicodeString text(u"ÎÑŢÉRÑÅŢÎÖÑÅĻÎŽÅŢÎÖÑ");
  46   transliterator->transliterate(text);
  47   EXPECT_EQ(base::i18n::UnicodeStringToString16(text), u"internationalization");
  48 }
  49
  50 }  // namespace i18n
  51 }  // namespace base