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// Copyright 2019 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 "base/win/hstring_compare.h"
#include "base/win/hstring_reference.h"
#include "base/win/windows_version.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace base {
namespace win {
namespace {
constexpr wchar_t kTestString12[] = L"12";
constexpr wchar_t kTestString123[] = L"123";
constexpr wchar_t kTestString1234[] = L"1234";
} // namespace
TEST(HStringCompareTest, WorksOnWindows8AndAbove) {
INT32 result;
HRESULT hr = HStringCompare(nullptr, nullptr, &result);
// HStringCompare requires WinRT core functions, which are not available in
// older versions.
if (GetVersion() < Version::WIN8)
EXPECT_HRESULT_FAILED(hr);
else
EXPECT_HRESULT_SUCCEEDED(hr);
}
TEST(HStringCompareTest, FirstStringBeforeSecondString) {
if (GetVersion() < Version::WIN8)
return;
ASSERT_TRUE(HStringReference::ResolveCoreWinRTStringDelayload());
const HStringReference string12(kTestString12);
const HStringReference string123(kTestString123);
INT32 result;
HRESULT hr = HStringCompare(string12.Get(), string123.Get(), &result);
EXPECT_HRESULT_SUCCEEDED(hr);
EXPECT_EQ(-1, result);
}
TEST(HStringCompareTest, StringsEqual) {
if (GetVersion() < Version::WIN8)
return;
ASSERT_TRUE(HStringReference::ResolveCoreWinRTStringDelayload());
const HStringReference string123(kTestString123);
INT32 result;
HRESULT hr = HStringCompare(string123.Get(), string123.Get(), &result);
EXPECT_HRESULT_SUCCEEDED(hr);
EXPECT_EQ(0, result);
}
TEST(HStringCompareTest, FirstStringAfterSecondString) {
if (GetVersion() < Version::WIN8)
return;
ASSERT_TRUE(HStringReference::ResolveCoreWinRTStringDelayload());
const HStringReference string123(kTestString123);
const HStringReference string1234(kTestString1234);
INT32 result;
HRESULT hr = HStringCompare(string1234.Get(), string123.Get(), &result);
EXPECT_HRESULT_SUCCEEDED(hr);
EXPECT_EQ(1, result);
}
} // namespace win
} // namespace base
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