Side Slide Gestures for Accessibility

ash/ash_touch_exploration_manager_chromeos_unittest.cc

+// Copyright 2014 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 "ash/ash_touch_exploration_manager_chromeos.h"
+
+#include "ash/root_window_controller.h"
+#include "ash/shell.h"
+#include "ash/test/ash_test_base.h"
+#include "chromeos/audio/cras_audio_handler.h"
+
+namespace ash {
+
+typedef test::AshTestBase AshTouchExplorationManagerTest;
+
+TEST_F(AshTouchExplorationManagerTest, AdjustSound) {
+  RootWindowController* controller = Shell::GetPrimaryRootWindowController();
+  AshTouchExplorationManager touch_exploration_manager(controller);
+  chromeos::CrasAudioHandler* audio_handler =
+      chromeos::CrasAudioHandler::Get();
+
+  touch_exploration_manager.SetOutputLevel(10);
+  EXPECT_EQ(audio_handler->GetOutputVolumePercent(), 10);
+  EXPECT_FALSE(audio_handler->IsOutputMuted());
+
+  touch_exploration_manager.SetOutputLevel(100);
+  EXPECT_EQ(audio_handler->GetOutputVolumePercent(), 100);
+  EXPECT_FALSE(audio_handler->IsOutputMuted());
+
+  touch_exploration_manager.SetOutputLevel(0);

[aboxhall, 2014/07/22 17:20:41]

A test here for negative |volume| would be good.

[lisayin, 2014/07/22 18:06:25]

Done.

+  EXPECT_EQ(audio_handler->GetOutputVolumePercent(), 0);
+  EXPECT_TRUE(audio_handler->IsOutputMuted());
+}
+
+} //  namespace ash