Index: chrome/browser/language_usage_metrics_unittest.cc |
diff --git a/chrome/browser/language_usage_metrics_unittest.cc b/chrome/browser/language_usage_metrics_unittest.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..db6e987e919bee604e333293f55624e466cd7a3f |
--- /dev/null |
+++ b/chrome/browser/language_usage_metrics_unittest.cc |
@@ -0,0 +1,91 @@ |
+// Copyright (c) 2011 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 "chrome/browser/language_usage_metrics.h" |
+ |
+#include "testing/gtest/include/gtest/gtest.h" |
+ |
+TEST(LanguageUsageMetricsTest, ParseAcceptLanguages) { |
+ std::set<Language> language_set; |
+ std::set<Language>::const_iterator it; |
+ |
+ // Basic single language case. |
+ LanguageUsageMetrics::ParseAcceptLanguages("ja", &language_set); |
+ EXPECT_EQ(1U, language_set.size()); |
+ EXPECT_EQ(JAPANESE, *language_set.begin()); |
+ |
+ // Empty language. |
+ LanguageUsageMetrics::ParseAcceptLanguages("", &language_set); |
+ EXPECT_EQ(0U, language_set.size()); |
+ |
+ // Country code is ignored. |
+ LanguageUsageMetrics::ParseAcceptLanguages("ja-JP", &language_set); |
+ EXPECT_EQ(1U, language_set.size()); |
+ EXPECT_EQ(JAPANESE, *language_set.begin()); |
+ |
+ // Case is ignored. |
+ LanguageUsageMetrics::ParseAcceptLanguages("Ja-jP", &language_set); |
+ EXPECT_EQ(1U, language_set.size()); |
+ EXPECT_EQ(JAPANESE, *language_set.begin()); |
+ |
+ // Underscore as the separator. |
+ LanguageUsageMetrics::ParseAcceptLanguages("ja_JP", &language_set); |
+ EXPECT_EQ(1U, language_set.size()); |
+ EXPECT_EQ(JAPANESE, *language_set.begin()); |
+ |
+ // The result contains a same language code only once. |
+ LanguageUsageMetrics::ParseAcceptLanguages("ja-JP,ja", &language_set); |
+ EXPECT_EQ(1U, language_set.size()); |
+ EXPECT_EQ(JAPANESE, *language_set.begin()); |
+ |
+ // Basic two languages case. |
+ LanguageUsageMetrics::ParseAcceptLanguages("en,ja", &language_set); |
+ EXPECT_EQ(2U, language_set.size()); |
+ it = language_set.begin(); |
+ EXPECT_EQ(ENGLISH, *it); |
+ EXPECT_EQ(JAPANESE, *++it); |
+ |
+ // Multiple languages. |
+ LanguageUsageMetrics::ParseAcceptLanguages("ja-JP,en,es,ja,en-US", |
+ &language_set); |
+ EXPECT_EQ(3U, language_set.size()); |
+ it = language_set.begin(); |
+ EXPECT_EQ(ENGLISH, *it); |
+ EXPECT_EQ(JAPANESE, *++it); |
+ EXPECT_EQ(SPANISH, *++it); |
+ |
+ // Two empty languages. |
+ LanguageUsageMetrics::ParseAcceptLanguages(",", &language_set); |
+ EXPECT_EQ(0U, language_set.size()); |
+ |
+ // Trailing comma. |
+ LanguageUsageMetrics::ParseAcceptLanguages("ja,", &language_set); |
+ EXPECT_EQ(1U, language_set.size()); |
+ EXPECT_EQ(JAPANESE, *language_set.begin()); |
+ |
+ // Leading comma. |
+ LanguageUsageMetrics::ParseAcceptLanguages(",es", &language_set); |
+ EXPECT_EQ(1U, language_set.size()); |
+ EXPECT_EQ(SPANISH, *language_set.begin()); |
+ |
+ // Combination of invalid and valid. |
+ LanguageUsageMetrics::ParseAcceptLanguages("zz,en", &language_set); |
+ EXPECT_EQ(1U, language_set.size()); |
+ EXPECT_EQ(ENGLISH, *language_set.begin()); |
+} |
+ |
+TEST(LanguageUsageMetricsTest, ToLanguage) { |
+ // Basic case. |
+ EXPECT_EQ(JAPANESE, LanguageUsageMetrics::ToLanguage("ja")); |
+ |
+ // Case is ignored. |
+ EXPECT_EQ(SPANISH, LanguageUsageMetrics::ToLanguage("Es")); |
+ |
+ // Coutry code is ignored. |
+ EXPECT_EQ(JAPANESE, LanguageUsageMetrics::ToLanguage("ja-JP")); |
+ |
+ // Invalid locales are considered as unknown language. |
+ EXPECT_EQ(UNKNOWN_LANGUAGE, LanguageUsageMetrics::ToLanguage("")); |
+ EXPECT_EQ(UNKNOWN_LANGUAGE, LanguageUsageMetrics::ToLanguage("xx")); |
+} |