1 files changed, 152 insertions, 0 deletions
diff --git a/chromium/ui/base/accelerators/global_media_keys_listener_win_interactive_test.cc b/chromium/ui/base/accelerators/global_media_keys_listener_win_interactive_test.cc
new file mode 100644
index 00000000000..c15b5cbb194
--- /dev/null
+++ b/chromium/ui/base/accelerators/global_media_keys_listener_win_interactive_test.cc
@@ -0,0 +1,152 @@
+// Copyright 2018 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ui/base/accelerators/global_media_keys_listener_win.h"
+
+#include "base/callback.h"
+#include "base/run_loop.h"
+#include "base/test/scoped_task_environment.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/base/accelerators/accelerator.h"
+#include "ui/events/event.h"
+
+namespace ui {
+
+namespace {
+
+class MockMediaKeysListenerDelegate : public MediaKeysListener::Delegate {
+ public:
+  MockMediaKeysListenerDelegate() = default;
+  ~MockMediaKeysListenerDelegate() override = default;
+
+  // MediaKeysListener::Delegate implementation.
+  void OnMediaKeysAccelerator(const Accelerator& accelerator) override {
+    received_events_.push_back(accelerator.ToKeyEvent());
+
+    // If we've received the events we're waiting for, stop waiting.
+    if (key_event_wait_loop_ &&
+        received_events_.size() >= num_key_events_to_wait_for_) {
+      key_event_wait_loop_->Quit();
+    }
+  }
+
+  // Loop until we've received |num_events| key events from the listener.
+  void WaitForKeyEvents(uint32_t num_events) {
+    key_event_wait_loop_ = std::make_unique<base::RunLoop>();
+    if (received_events_.size() >= num_events)
+      return;
+
+    num_key_events_to_wait_for_ = num_events;
+    key_event_wait_loop_->Run();
+  }
+
+  // Expect that we have received the correct number of key events.
+  void ExpectReceivedEventsCount(uint32_t count) {
+    EXPECT_EQ(count, received_events_.size());
+  }
+
+  // Expect that the key event received at |index| has the specified key code.
+  void ExpectReceivedEvent(uint32_t index, KeyboardCode code) {
+    ASSERT_LT(index, received_events_.size());
+    KeyEvent* key_event = &received_events_.at(index);
+    EXPECT_EQ(code, key_event->key_code());
+    EXPECT_EQ(ET_KEY_PRESSED, key_event->type());
+  }
+
+ private:
+  std::vector<KeyEvent> received_events_;
+  std::unique_ptr<base::RunLoop> key_event_wait_loop_;
+  uint32_t num_key_events_to_wait_for_ = 0;
+
+  DISALLOW_COPY_AND_ASSIGN(MockMediaKeysListenerDelegate);
+};
+
+}  // anonymous namespace
+
+class GlobalMediaKeysListenerWinInteractiveTest : public testing::Test {
+ public:
+  GlobalMediaKeysListenerWinInteractiveTest()
+      : scoped_task_environment_(
+            base::test::ScopedTaskEnvironment::MainThreadType::UI) {}
+
+ protected:
+  void SendKeyDown(KeyboardCode code) {
+    INPUT input;
+    input.type = INPUT_KEYBOARD;
+    input.ki.wVk = code;
+    input.ki.time = time_stamp_++;
+    input.ki.dwFlags = 0;
+    SendInput(1, &input, sizeof(INPUT));
+  }
+
+  void SendKeyUp(KeyboardCode code) {
+    INPUT input;
+    input.type = INPUT_KEYBOARD;
+    input.ki.wVk = code;
+    input.ki.time = time_stamp_++;
+    input.ki.dwFlags = KEYEVENTF_KEYUP;
+    SendInput(1, &input, sizeof(INPUT));
+  }
+
+ private:
+  base::test::ScopedTaskEnvironment scoped_task_environment_;
+  DWORD time_stamp_ = 0;
+
+  DISALLOW_COPY_AND_ASSIGN(GlobalMediaKeysListenerWinInteractiveTest);
+};
+
+TEST_F(GlobalMediaKeysListenerWinInteractiveTest, SimplePlayPauseTest) {
+  MockMediaKeysListenerDelegate delegate;
+  GlobalMediaKeysListenerWin listener(&delegate);
+
+  listener.StartWatchingMediaKey(ui::VKEY_MEDIA_PLAY_PAUSE);
+
+  // Send a key press and validate that it was received by the delegate.
+  SendKeyDown(ui::VKEY_MEDIA_PLAY_PAUSE);
+  SendKeyUp(ui::VKEY_MEDIA_PLAY_PAUSE);
+  delegate.WaitForKeyEvents(1);
+  delegate.ExpectReceivedEvent(/*index=*/0, ui::VKEY_MEDIA_PLAY_PAUSE);
+}
+
+TEST_F(GlobalMediaKeysListenerWinInteractiveTest, KeyCanBeReRegistered) {
+  MockMediaKeysListenerDelegate delegate;
+  GlobalMediaKeysListenerWin listener(&delegate);
+
+  // Start listening to register the key.
+  listener.StartWatchingMediaKey(ui::VKEY_MEDIA_NEXT_TRACK);
+
+  // Stop listening to unregister the key.
+  listener.StopWatchingMediaKey(ui::VKEY_MEDIA_NEXT_TRACK);
+
+  // Start listening to re-register the key.
+  listener.StartWatchingMediaKey(ui::VKEY_MEDIA_NEXT_TRACK);
+
+  // Send a key press and validate that it was received by the delegate.
+  SendKeyDown(ui::VKEY_MEDIA_NEXT_TRACK);
+  SendKeyUp(ui::VKEY_MEDIA_NEXT_TRACK);
+  delegate.WaitForKeyEvents(1);
+  delegate.ExpectReceivedEvent(/*index=*/0, ui::VKEY_MEDIA_NEXT_TRACK);
+}
+
+TEST_F(GlobalMediaKeysListenerWinInteractiveTest, ListenForMultipleKeys) {
+  MockMediaKeysListenerDelegate delegate;
+  GlobalMediaKeysListenerWin listener(&delegate);
+
+  listener.StartWatchingMediaKey(ui::VKEY_MEDIA_PLAY_PAUSE);
+  listener.StartWatchingMediaKey(ui::VKEY_MEDIA_STOP);
+
+  // Send a key press and validate that it was received by the delegate.
+  SendKeyDown(ui::VKEY_MEDIA_PLAY_PAUSE);
+  SendKeyUp(ui::VKEY_MEDIA_PLAY_PAUSE);
+  delegate.WaitForKeyEvents(1);
+  delegate.ExpectReceivedEvent(/*index=*/0, ui::VKEY_MEDIA_PLAY_PAUSE);
+
+  // Send a key press and validate that it was received by the delegate.
+  SendKeyDown(ui::VKEY_MEDIA_STOP);
+  SendKeyUp(ui::VKEY_MEDIA_STOP);
+  delegate.WaitForKeyEvents(2);
+  delegate.ExpectReceivedEvent(/*index=*/1, ui::VKEY_MEDIA_STOP);
+}
+
+}  // namespace ui
+\ No newline at end of file