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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"
class BaseWinUtilTest: public testing::Test {
protected:
// Retrieve the OS primary language
static unsigned GetSystemLanguage() {
std::wstring language;
typedef BOOL (WINAPI *fnGetThreadPreferredUILanguages)(
DWORD dwFlags,
PULONG pulNumLanguages,
PWSTR pwszLanguagesBuffer,
PULONG pcchLanguagesBuffer);
fnGetThreadPreferredUILanguages pGetThreadPreferredUILanguages = NULL;
pGetThreadPreferredUILanguages =
reinterpret_cast<fnGetThreadPreferredUILanguages>(
GetProcAddress(GetModuleHandle(L"kernel32.dll"),
"GetThreadPreferredUILanguages"));
if (pGetThreadPreferredUILanguages) {
// Vista, MUI-aware.
ULONG number = 0;
wchar_t buffer[256] = {0};
ULONG buffer_size = sizeof(buffer);
EXPECT_TRUE(pGetThreadPreferredUILanguages(MUI_LANGUAGE_ID, &number,
buffer, &buffer_size));
language = buffer;
} else {
// XP
RegKey language_key(HKEY_LOCAL_MACHINE,
L"SYSTEM\\CurrentControlSet\\Control\\Nls\\Language");
language_key.ReadValue(L"InstallLanguage", &language);
}
wchar_t * unused_endptr;
return PRIMARYLANGID(wcstol(language.c_str(), &unused_endptr, 16));
}
};
// 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_F(BaseWinUtilTest, TestIsUACEnabled) {
if (win_util::GetWinVersion() == win_util::WINVERSION_VISTA) {
win_util::UserAccountControlIsEnabled();
} else {
EXPECT_TRUE(win_util::UserAccountControlIsEnabled());
}
}
TEST_F(BaseWinUtilTest, TestGetUserSidString) {
std::wstring user_sid;
EXPECT_TRUE(win_util::GetUserSidString(&user_sid));
EXPECT_TRUE(!user_sid.empty());
}
TEST_F(BaseWinUtilTest, TestGetNonClientMetrics) {
NONCLIENTMETRICS metrics = {0};
win_util::GetNonClientMetrics(&metrics);
EXPECT_TRUE(metrics.cbSize > 0);
EXPECT_TRUE(metrics.iScrollWidth > 0);
EXPECT_TRUE(metrics.iScrollHeight > 0);
}
TEST_F(BaseWinUtilTest, FormatMessage) {
unsigned language = GetSystemLanguage();
ASSERT_TRUE(language);
const int kAccessDeniedErrorCode = 5;
SetLastError(kAccessDeniedErrorCode);
ASSERT_EQ(GetLastError(), kAccessDeniedErrorCode);
std::wstring value;
if (language == LANG_ENGLISH) {
// This test would fail on non-English system.
TrimWhitespace(win_util::FormatLastWin32Error(), TRIM_ALL, &value);
EXPECT_EQ(std::wstring(L"Access is denied."), value);
} else if (language == LANG_FRENCH) {
// This test would fail on non-French system.
TrimWhitespace(win_util::FormatLastWin32Error(), TRIM_ALL, &value);
EXPECT_EQ(std::wstring(L"Acc\u00e8s refus\u00e9."), value);
} else {
EXPECT_TRUE(0) << "Please implement the test for your OS language.";
}
// 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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