1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "base/bind.h"
6 #include "base/guid.h"
7 #include "base/strings/utf_string_conversions.h"
8 #include "base/win/message_window.h"
9 #include "testing/gmock/include/gmock/gmock.h"
10 #include "testing/gtest/include/gtest/gtest.h"
11
12 namespace base {
13
14 namespace {
15
HandleMessage(UINT message,WPARAM wparam,LPARAM lparam,LRESULT * result)16 bool HandleMessage(
17 UINT message, WPARAM wparam, LPARAM lparam, LRESULT* result) {
18 // Return |wparam| as the result of WM_USER message.
19 if (message == WM_USER) {
20 *result = wparam;
21 return true;
22 }
23
24 return false;
25 }
26
27 } // namespace
28
29 // Checks that a window can be created.
TEST(MessageWindowTest,Create)30 TEST(MessageWindowTest, Create) {
31 win::MessageWindow window;
32 EXPECT_TRUE(window.Create(base::Bind(&HandleMessage)));
33 }
34
35 // Checks that a named window can be created.
TEST(MessageWindowTest,CreateNamed)36 TEST(MessageWindowTest, CreateNamed) {
37 win::MessageWindow window;
38 EXPECT_TRUE(window.CreateNamed(base::Bind(&HandleMessage),
39 UTF8ToUTF16("test_message_window")));
40 }
41
42 // Verifies that the created window can receive messages.
TEST(MessageWindowTest,SendMessage)43 TEST(MessageWindowTest, SendMessage) {
44 win::MessageWindow window;
45 EXPECT_TRUE(window.Create(base::Bind(&HandleMessage)));
46
47 EXPECT_EQ(SendMessage(window.hwnd(), WM_USER, 100, 0), 100);
48 }
49
50 // Verifies that a named window can be found by name.
TEST(MessageWindowTest,FindWindow)51 TEST(MessageWindowTest, FindWindow) {
52 string16 name = UTF8ToUTF16(base::GenerateGUID());
53 win::MessageWindow window;
54 EXPECT_TRUE(window.CreateNamed(base::Bind(&HandleMessage), name));
55
56 HWND hwnd = win::MessageWindow::FindWindow(name);
57 EXPECT_TRUE(hwnd != NULL);
58 EXPECT_EQ(SendMessage(hwnd, WM_USER, 200, 0), 200);
59 }
60
61 } // namespace base
62