1/* 2 * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11#include "webrtc/modules/desktop_capture/window_capturer.h" 12 13#include "testing/gtest/include/gtest/gtest.h" 14#include "webrtc/base/scoped_ptr.h" 15#include "webrtc/modules/desktop_capture/desktop_capture_options.h" 16#include "webrtc/modules/desktop_capture/desktop_frame.h" 17#include "webrtc/modules/desktop_capture/desktop_region.h" 18#include "webrtc/system_wrappers/include/logging.h" 19 20namespace webrtc { 21 22class WindowCapturerTest : public testing::Test, 23 public DesktopCapturer::Callback { 24 public: 25 void SetUp() override { 26 capturer_.reset( 27 WindowCapturer::Create(DesktopCaptureOptions::CreateDefault())); 28 } 29 30 void TearDown() override {} 31 32 // DesktopCapturer::Callback interface 33 SharedMemory* CreateSharedMemory(size_t size) override { return NULL; } 34 35 void OnCaptureCompleted(DesktopFrame* frame) override { frame_.reset(frame); } 36 37 protected: 38 rtc::scoped_ptr<WindowCapturer> capturer_; 39 rtc::scoped_ptr<DesktopFrame> frame_; 40}; 41 42// Verify that we can enumerate windows. 43TEST_F(WindowCapturerTest, Enumerate) { 44 WindowCapturer::WindowList windows; 45 EXPECT_TRUE(capturer_->GetWindowList(&windows)); 46 47 // Verify that window titles are set. 48 for (WindowCapturer::WindowList::iterator it = windows.begin(); 49 it != windows.end(); ++it) { 50 EXPECT_FALSE(it->title.empty()); 51 } 52} 53 54// Verify we can capture a window. 55// 56// TODO(sergeyu): Currently this test just looks at the windows that already 57// exist. Ideally it should create a test window and capture from it, but there 58// is no easy cross-platform way to create new windows (potentially we could 59// have a python script showing Tk dialog, but launching code will differ 60// between platforms). 61TEST_F(WindowCapturerTest, Capture) { 62 WindowCapturer::WindowList windows; 63 capturer_->Start(this); 64 EXPECT_TRUE(capturer_->GetWindowList(&windows)); 65 66 // Verify that we can select and capture each window. 67 for (WindowCapturer::WindowList::iterator it = windows.begin(); 68 it != windows.end(); ++it) { 69 frame_.reset(); 70 if (capturer_->SelectWindow(it->id)) { 71 capturer_->Capture(DesktopRegion()); 72 } 73 74 // If we failed to capture a window make sure it no longer exists. 75 if (!frame_.get()) { 76 WindowCapturer::WindowList new_list; 77 EXPECT_TRUE(capturer_->GetWindowList(&new_list)); 78 for (WindowCapturer::WindowList::iterator new_list_it = new_list.begin(); 79 new_list_it != new_list.end(); ++new_list_it) { 80 EXPECT_FALSE(it->id == new_list_it->id); 81 } 82 continue; 83 } 84 85 EXPECT_GT(frame_->size().width(), 0); 86 EXPECT_GT(frame_->size().height(), 0); 87 } 88} 89 90} // namespace webrtc 91