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// Copyright (c) 2006-2008 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 <windows.h>
#include "testing/gtest/include/gtest/gtest.h"
#include "base/registry.h"
#include "base/string_util.h"
#include "base/win_util.h"
// The test is somewhat silly, because the Vista bots some have UAC enabled
// and some have it disabled. At least we check that it does not crash.
TEST(BaseWinUtilTest, TestIsUACEnabled) {
if (win_util::GetWinVersion() >= win_util::WINVERSION_VISTA) {
win_util::UserAccountControlIsEnabled();
} else {
EXPECT_TRUE(win_util::UserAccountControlIsEnabled());
}
}
TEST(BaseWinUtilTest, TestGetUserSidString) {
std::wstring user_sid;
EXPECT_TRUE(win_util::GetUserSidString(&user_sid));
EXPECT_TRUE(!user_sid.empty());
}
TEST(BaseWinUtilTest, TestGetNonClientMetrics) {
NONCLIENTMETRICS metrics = {0};
win_util::GetNonClientMetrics(&metrics);
EXPECT_TRUE(metrics.cbSize > 0);
EXPECT_TRUE(metrics.iScrollWidth > 0);
EXPECT_TRUE(metrics.iScrollHeight > 0);
}
namespace {
// Saves the current thread's locale ID when initialized, and restores it when
// the instance is going out of scope.
class ThreadLocaleSaver {
public:
ThreadLocaleSaver() : original_locale_id_(GetThreadLocale()) {}
~ThreadLocaleSaver() { SetThreadLocale(original_locale_id_); }
private:
LCID original_locale_id_;
DISALLOW_COPY_AND_ASSIGN(ThreadLocaleSaver);
};
} // namespace
TEST(BaseWinUtilTest, FormatMessage) {
// Because we cannot write tests of every language, we only test the message
// of en-US locale. Here, we change the current locale temporarily.
ThreadLocaleSaver thread_locale_saver;
WORD language_id = MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US);
LCID locale_id = MAKELCID(language_id, SORT_DEFAULT);
ASSERT_TRUE(SetThreadLocale(locale_id));
const int kAccessDeniedErrorCode = 5;
SetLastError(kAccessDeniedErrorCode);
ASSERT_EQ(GetLastError(), kAccessDeniedErrorCode);
std::wstring value;
TrimWhitespace(win_util::FormatLastWin32Error(), TRIM_ALL, &value);
EXPECT_EQ(std::wstring(L"Access is denied."), value);
// Manually call the OS function
wchar_t * string_buffer = NULL;
unsigned string_length =
::FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS, NULL,
kAccessDeniedErrorCode, 0,
reinterpret_cast<wchar_t *>(&string_buffer), 0, NULL);
// Verify the call succeeded
ASSERT_TRUE(string_length);
ASSERT_TRUE(string_buffer);
// Verify the string is the same by different calls
EXPECT_EQ(win_util::FormatLastWin32Error(), std::wstring(string_buffer));
EXPECT_EQ(win_util::FormatMessage(kAccessDeniedErrorCode),
std::wstring(string_buffer));
// Done with the buffer allocated by ::FormatMessage()
LocalFree(string_buffer);
}
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