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#include "base/win_api_test_helper.h"

#include "testing/base/public/googletest.h"
#include "testing/base/public/gunit.h"

namespace mozc {
namespace {

const DWORD kFakeWindowsVersion = 0x12345678;
DWORD WINAPI GetVersionHook() {
  return kFakeWindowsVersion;
}

TEST(WinAPITestHelperTest, BasicTest) {
  vector<WinAPITestHelper::HookRequest> requests;
  requests.push_back(DEFINE_HOOK("kernel32.dll", GetVersion, GetVersionHook));

  auto restore_info = WinAPITestHelper::DoHook(
      ::GetModuleHandle(nullptr), requests);
  EXPECT_EQ(GetVersion(), kFakeWindowsVersion);

  WinAPITestHelper::RestoreHook(restore_info);
  restore_info = nullptr;

  EXPECT_NE(GetVersion(), kFakeWindowsVersion);
}

}  // namespace
}  // namespace mozc