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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/win/message_window.h"
#include <windows.h>
#include "base/functional/bind.h"
#include "base/strings/utf_string_conversions.h"
#include "base/uuid.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
// To avoid conflicts with the macro from the Windows SDK...
#undef FindWindow
namespace base {
namespace {
bool HandleMessage(UINT message,
WPARAM wparam,
LPARAM lparam,
LRESULT* result) {
// Return |wparam| as the result of WM_USER message.
if (message == WM_USER) {
*result = wparam;
return true;
}
return false;
}
} // namespace
// Checks that a window can be created.
TEST(MessageWindowTest, Create) {
win::MessageWindow window;
EXPECT_TRUE(window.Create(base::BindRepeating(&HandleMessage)));
}
// Checks that a named window can be created.
TEST(MessageWindowTest, CreateNamed) {
win::MessageWindow window;
EXPECT_TRUE(window.CreateNamed(base::BindRepeating(&HandleMessage),
UTF8ToWide("test_message_window")));
}
// Verifies that the created window can receive messages.
TEST(MessageWindowTest, SendMessage) {
win::MessageWindow window;
EXPECT_TRUE(window.Create(base::BindRepeating(&HandleMessage)));
EXPECT_EQ(SendMessage(window.hwnd(), WM_USER, 100, 0), 100);
}
// Verifies that a named window can be found by name.
TEST(MessageWindowTest, FindWindow) {
std::wstring name =
UTF8ToWide(base::Uuid::GenerateRandomV4().AsLowercaseString());
win::MessageWindow window;
EXPECT_TRUE(window.CreateNamed(base::BindRepeating(&HandleMessage), name));
HWND hwnd = win::MessageWindow::FindWindow(name);
EXPECT_TRUE(hwnd != nullptr);
EXPECT_EQ(SendMessage(hwnd, WM_USER, 200, 0), 200);
}
} // namespace base
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