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// Copyright (c) 2012 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 <string>
#include <vector>
#include "chrome/installer/util/language_selector.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
const wchar_t* const kExactMatchCandidates[] = {
L"am", L"ar", L"bg", L"bn", L"ca", L"cs", L"da", L"de", L"el", L"en-gb",
L"en-us", L"es", L"es-419", L"et", L"fa", L"fi", L"fil", L"fr", L"gu", L"hi",
L"hr", L"hu", L"id", L"it", L"iw", L"ja", L"kn", L"ko", L"lt", L"lv", L"ml",
L"mr", L"nl", L"no", L"pl", L"pt-br", L"pt-pt", L"ro", L"ru", L"sk", L"sl",
L"sr", L"sv", L"sw", L"ta", L"te", L"th", L"tr", L"uk", L"vi", L"zh-cn",
L"zh-tw"
};
const wchar_t* const kAliasMatchCandidates[] = {
L"he", L"nb", L"tl", L"zh-chs", L"zh-cht", L"zh-hans", L"zh-hant", L"zh-hk",
L"zh-mo"
};
const wchar_t* const kWildcardMatchCandidates[] = {
L"en-AU",
L"es-CO", L"pt-AB", L"zh-SG"
};
} // namespace
// Test that a language is selected from the system.
TEST(LanguageSelectorTest, DefaultSelection) {
installer::LanguageSelector instance;
EXPECT_FALSE(instance.matched_candidate().empty());
}
// Test some hypothetical candidate sets.
TEST(LanguageSelectorTest, AssortedSelections) {
{
std::wstring candidates[] = {
L"fr-BE", L"fr", L"en"
};
installer::LanguageSelector instance(
std::vector<std::wstring>(&candidates[0],
&candidates[arraysize(candidates)]));
// Expect the exact match to win.
EXPECT_EQ(L"fr", instance.matched_candidate());
}
{
std::wstring candidates[] = {
L"xx-YY", L"cc-Ssss-RR"
};
installer::LanguageSelector instance(
std::vector<std::wstring>(&candidates[0],
&candidates[arraysize(candidates)]));
// Expect the fallback to win.
EXPECT_EQ(L"en-us", instance.matched_candidate());
}
{
std::wstring candidates[] = {
L"zh-SG", L"en-GB"
};
installer::LanguageSelector instance(
std::vector<std::wstring>(&candidates[0],
&candidates[arraysize(candidates)]));
// Expect the alias match to win.
EXPECT_EQ(L"zh-SG", instance.matched_candidate());
}
}
// A fixture for testing sets of single-candidate selections.
class LanguageSelectorMatchCandidateTest
: public ::testing::TestWithParam<const wchar_t*> {
};
TEST_P(LanguageSelectorMatchCandidateTest, TestMatchCandidate) {
installer::LanguageSelector instance(
std::vector<std::wstring>(1, std::wstring(GetParam())));
EXPECT_EQ(GetParam(), instance.matched_candidate());
}
// Test that all existing translations can be found by exact match.
INSTANTIATE_TEST_CASE_P(
TestExactMatches,
LanguageSelectorMatchCandidateTest,
::testing::ValuesIn(
&kExactMatchCandidates[0],
&kExactMatchCandidates[arraysize(kExactMatchCandidates)]));
// Test the alias matches.
INSTANTIATE_TEST_CASE_P(
TestAliasMatches,
LanguageSelectorMatchCandidateTest,
::testing::ValuesIn(
&kAliasMatchCandidates[0],
&kAliasMatchCandidates[arraysize(kAliasMatchCandidates)]));
// Test a few wildcard matches.
INSTANTIATE_TEST_CASE_P(
TestWildcardMatches,
LanguageSelectorMatchCandidateTest,
::testing::ValuesIn(
&kWildcardMatchCandidates[0],
&kWildcardMatchCandidates[arraysize(kWildcardMatchCandidates)]));
// A fixture for testing aliases that match to an expected translation. The
// first member of the tuple is the expected translation, the second is a
// candidate that should be aliased to the expectation.
class LanguageSelectorAliasTest
: public ::testing::TestWithParam< std::tr1::tuple<const wchar_t*,
const wchar_t*> > {
};
// Test that the candidate language maps to the aliased translation.
TEST_P(LanguageSelectorAliasTest, AliasesMatch) {
installer::LanguageSelector instance(
std::vector<std::wstring>(1, std::tr1::get<1>(GetParam())));
EXPECT_EQ(std::tr1::get<0>(GetParam()), instance.selected_translation());
}
INSTANTIATE_TEST_CASE_P(
EnGbAliases,
LanguageSelectorAliasTest,
::testing::Combine(
::testing::Values(L"en-gb"),
::testing::Values(L"en-au", L"en-ca", L"en-nz", L"en-za")));
INSTANTIATE_TEST_CASE_P(
IwAliases,
LanguageSelectorAliasTest,
::testing::Combine(
::testing::Values(L"iw"),
::testing::Values(L"he")));
INSTANTIATE_TEST_CASE_P(
NoAliases,
LanguageSelectorAliasTest,
::testing::Combine(
::testing::Values(L"no"),
::testing::Values(L"nb")));
INSTANTIATE_TEST_CASE_P(
FilAliases,
LanguageSelectorAliasTest,
::testing::Combine(
::testing::Values(L"fil"),
::testing::Values(L"tl")));
INSTANTIATE_TEST_CASE_P(
ZhCnAliases,
LanguageSelectorAliasTest,
::testing::Combine(
::testing::Values(L"zh-cn"),
::testing::Values(L"zh-chs", L"zh-hans", L"zh-sg")));
INSTANTIATE_TEST_CASE_P(
ZhTwAliases,
LanguageSelectorAliasTest,
::testing::Combine(
::testing::Values(L"zh-tw"),
::testing::Values(L"zh-cht", L"zh-hant", L"zh-hk", L"zh-mo")));
// Test that we can get the name of the default language.
TEST(LanguageSelectorTest, DefaultLanguageName) {
installer::LanguageSelector instance;
EXPECT_FALSE(instance.GetLanguageName(instance.offset()).empty());
}
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