chromium/components/translate/core/language_detection/language_detection_util_unittest.cc

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/translate/core/language_detection/language_detection_util.h"

#include <string>

#include "base/strings/utf_string_conversions.h"
#include "base/test/metrics/histogram_tester.h"
#include "components/translate/core/common/translate_constants.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace translate {
namespace {

// Tests that well-known language code typos are fixed.
TEST(LanguageDetectionUtilTest, LanguageCodeTypoCorrection) { … }

// Tests if the language codes' format is invalid.
TEST(LanguageDetectionUtilTest, IsValidLanguageCode) { … }

// Tests that similar language table works.
TEST(LanguageDetectionUtilTest, SimilarLanguageCode) { … }

// Tests that well-known languages which often have wrong server configuration
// are handles.
TEST(LanguageDetectionUtilTest, WellKnownWrongConfiguration) { … }

// Tests that the language meta tag providing wrong information is ignored by
// LanguageDetectionUtil due to disagreement between meta tag and CLD.
TEST(LanguageDetectionUtilTest, CLDDisagreeWithWrongLanguageCode) { … }

// Tests that the language meta tag providing "en-US" style information is
// agreed by CLD.
TEST(LanguageDetectionUtilTest, CLDAgreeWithLanguageCodeHavingCountryCode) { … }

// Tests that the language meta tag providing wrong information is ignored and
// CLD's language will be adopted by LanguageDetectionUtil due to an invalid
// meta tag.
TEST(LanguageDetectionUtilTest, InvalidLanguageMetaTagProviding) { … }

// Tests that the language meta tag providing wrong information is ignored
// because of valid html lang attribute.
TEST(LanguageDetectionUtilTest, AdoptHtmlLang) { … }

// Tests that languages that often have the wrong server configuration are
// correctly identified. All incorrect language codes should be checked to
// make sure the binary_search is correct.
TEST(LanguageDetectionUtilTest, IsServerWrongConfigurationLanguage) { … }

}  // namespace
}  // namespace translate