Home | History | Annotate | Download | only in win 
      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 
     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.
     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.
     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.
     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.
     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