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system_utils_unittests.cc
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system_utils_unittests.cc
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// Copyright 2013 The Flutter 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 <cwchar>
#include "flutter/shell/platform/windows/system_utils.h"
#include "gtest/gtest.h"
namespace flutter {
namespace testing {
TEST(SystemUtils, GetPreferredLanguageInfo) {
std::vector<LanguageInfo> languages = GetPreferredLanguageInfo();
// There should be at least one language.
ASSERT_GE(languages.size(), 1);
// The info should have a valid languge.
EXPECT_GE(languages[0].language.size(), 2);
}
TEST(SystemUtils, GetPreferredLanguages) {
std::vector<std::wstring> languages = GetPreferredLanguages();
// There should be at least one language.
ASSERT_GE(languages.size(), 1);
// The language should be non-empty.
EXPECT_FALSE(languages[0].empty());
// There should not be a trailing null from the parsing step.
EXPECT_EQ(languages[0].size(), wcslen(languages[0].c_str()));
}
TEST(SystemUtils, ParseLanguageNameGeneric) {
LanguageInfo info = ParseLanguageName(L"en");
EXPECT_EQ(info.language, "en");
EXPECT_TRUE(info.region.empty());
EXPECT_TRUE(info.script.empty());
}
TEST(SystemUtils, ParseLanguageNameWithRegion) {
LanguageInfo info = ParseLanguageName(L"hu-HU");
EXPECT_EQ(info.language, "hu");
EXPECT_EQ(info.region, "HU");
EXPECT_TRUE(info.script.empty());
}
TEST(SystemUtils, ParseLanguageNameWithScript) {
LanguageInfo info = ParseLanguageName(L"us-Latn");
EXPECT_EQ(info.language, "us");
EXPECT_TRUE(info.region.empty());
EXPECT_EQ(info.script, "Latn");
}
TEST(SystemUtils, ParseLanguageNameWithRegionAndScript) {
LanguageInfo info = ParseLanguageName(L"uz-Latn-UZ");
EXPECT_EQ(info.language, "uz");
EXPECT_EQ(info.region, "UZ");
EXPECT_EQ(info.script, "Latn");
}
TEST(SystemUtils, ParseLanguageNameWithSuplementalLanguage) {
LanguageInfo info = ParseLanguageName(L"en-US-x-fabricam");
EXPECT_EQ(info.language, "en");
EXPECT_EQ(info.region, "US");
EXPECT_TRUE(info.script.empty());
}
// Ensure that ISO 639-2/T codes are handled.
TEST(SystemUtils, ParseLanguageNameWithThreeCharacterLanguage) {
LanguageInfo info = ParseLanguageName(L"ale-ZZ");
EXPECT_EQ(info.language, "ale");
EXPECT_EQ(info.region, "ZZ");
EXPECT_TRUE(info.script.empty());
}
TEST(SystemUtils, GetUserTimeFormat) {
// The value varies based on machine; just ensure that something is returned.
EXPECT_FALSE(GetUserTimeFormat().empty());
}
TEST(SystemUtils, Prefer24HourTimeHandlesEmptyFormat) {
EXPECT_FALSE(Prefer24HourTime(L""));
}
TEST(SystemUtils, Prefer24HourTimeHandles12Hour) {
EXPECT_FALSE(Prefer24HourTime(L"h:mm:ss tt"));
}
TEST(SystemUtils, Prefer24HourTimeHandles24Hour) {
EXPECT_TRUE(Prefer24HourTime(L"HH:mm:ss"));
}
} // namespace testing
} // namespace flutter