1 files changed, 70 insertions, 0 deletions
diff --git a/utils/i18n/locale_test.cc b/utils/i18n/locale_test.cc
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+++ b/utils/i18n/locale_test.cc
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+/*
+ * Copyright (C) 2018 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.
+ */
+
+#include "utils/i18n/locale.h"
+
+#include "gtest/gtest.h"
+
+namespace libtextclassifier3 {
+namespace {
+
+TEST(LocaleTest, ParseUnknown) {
+  Locale locale = Locale::Invalid();
+  EXPECT_FALSE(locale.IsValid());
+}
+
+TEST(LocaleTest, ParseSwissEnglish) {
+  Locale locale = Locale::FromBCP47("en-CH");
+  EXPECT_TRUE(locale.IsValid());
+  EXPECT_EQ(locale.Language(), "en");
+  EXPECT_EQ(locale.Script(), "");
+  EXPECT_EQ(locale.Region(), "CH");
+}
+
+TEST(LocaleTest, ParseChineseChina) {
+  Locale locale = Locale::FromBCP47("zh-CN");
+  EXPECT_TRUE(locale.IsValid());
+  EXPECT_EQ(locale.Language(), "zh");
+  EXPECT_EQ(locale.Script(), "");
+  EXPECT_EQ(locale.Region(), "CN");
+}
+
+TEST(LocaleTest, ParseChineseTaiwan) {
+  Locale locale = Locale::FromBCP47("zh-Hant-TW");
+  EXPECT_TRUE(locale.IsValid());
+  EXPECT_EQ(locale.Language(), "zh");
+  EXPECT_EQ(locale.Script(), "Hant");
+  EXPECT_EQ(locale.Region(), "TW");
+}
+
+TEST(LocaleTest, ParseEnglish) {
+  Locale locale = Locale::FromBCP47("en");
+  EXPECT_TRUE(locale.IsValid());
+  EXPECT_EQ(locale.Language(), "en");
+  EXPECT_EQ(locale.Script(), "");
+  EXPECT_EQ(locale.Region(), "");
+}
+
+TEST(LocaleTest, ParseCineseTraditional) {
+  Locale locale = Locale::FromBCP47("zh-Hant");
+  EXPECT_TRUE(locale.IsValid());
+  EXPECT_EQ(locale.Language(), "zh");
+  EXPECT_EQ(locale.Script(), "Hant");
+  EXPECT_EQ(locale.Region(), "");
+}
+
+}  // namespace
+}  // namespace libtextclassifier3