Moving VR service from /content/browser to /device

content/browser/vr/vr_device_manager_unittest.cc

-// Copyright 2015 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 "content/browser/vr/vr_device_manager.h"
-
-#include <memory>
-#include <utility>
-
-#include "base/macros.h"
-#include "base/memory/linked_ptr.h"
-#include "content/browser/vr/test/fake_vr_device.h"
-#include "content/browser/vr/test/fake_vr_device_provider.h"
-#include "content/browser/vr/vr_device_provider.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace content {
-
-class VRDeviceManagerTest : public testing::Test {
- protected:
-  VRDeviceManagerTest();
-  ~VRDeviceManagerTest() override;
-
-  void SetUp() override;
-
-  bool HasServiceInstance() { return VRDeviceManager::HasInstance(); }
-
- protected:
-  FakeVRDeviceProvider* provider_;
-  std::unique_ptr<VRDeviceManager> device_manager_;
-
-  DISALLOW_COPY_AND_ASSIGN(VRDeviceManagerTest);
-};
-
-VRDeviceManagerTest::VRDeviceManagerTest() {
-}
-
-VRDeviceManagerTest::~VRDeviceManagerTest() {
-}
-
-void VRDeviceManagerTest::SetUp() {
-  std::unique_ptr<FakeVRDeviceProvider> provider(new FakeVRDeviceProvider());
-  provider_ = provider.get();
-  device_manager_.reset(new VRDeviceManager(std::move(provider)));
-}
-
-TEST_F(VRDeviceManagerTest, InitializationTest) {
-  EXPECT_FALSE(provider_->IsInitialized());
-
-  // Calling GetDevices should initialize the service if it hasn't been
-  // initialized yet or the providesr have been released.
-  // The mojom::VRService should initialize each of it's providers upon it's own
-  // initialization.
-  mojo::Array<blink::mojom::VRDisplayPtr> webvr_devices;
-  webvr_devices = device_manager_->GetVRDevices();
-  EXPECT_TRUE(provider_->IsInitialized());
-}
-
-TEST_F(VRDeviceManagerTest, GetDevicesBasicTest) {
-  mojo::Array<blink::mojom::VRDisplayPtr> webvr_devices;
-  webvr_devices = device_manager_->GetVRDevices();
-  // Calling GetVRDevices should initialize the providers.
-  EXPECT_TRUE(provider_->IsInitialized());
-  // Should successfully return zero devices when none are available.
-  EXPECT_EQ(0u, webvr_devices.size());
-
-  // GetDeviceByIndex should return nullptr if an invalid index in queried.
-  VRDevice* queried_device = device_manager_->GetDevice(1);
-  EXPECT_EQ(nullptr, queried_device);
-
-  std::unique_ptr<FakeVRDevice> device1(new FakeVRDevice(provider_));
-  provider_->AddDevice(device1.get());
-  webvr_devices = device_manager_->GetVRDevices();
-  // Should have successfully returned one device.
-  EXPECT_EQ(1u, webvr_devices.size());
-  // The WebVRDevice index should match the device id.
-  EXPECT_EQ(webvr_devices[0]->index, device1->id());
-
-  std::unique_ptr<FakeVRDevice> device2(new FakeVRDevice(provider_));
-  provider_->AddDevice(device2.get());
-  webvr_devices = device_manager_->GetVRDevices();
-  // Should have successfully returned two devices.
-  EXPECT_EQ(2u, webvr_devices.size());
-  // NOTE: Returned WebVRDevices are not required to be in any particular order.
-
-  // Querying the WebVRDevice index should return the correct device.
-  queried_device = device_manager_->GetDevice(device1->id());
-  EXPECT_EQ(device1.get(), queried_device);
-  queried_device = device_manager_->GetDevice(device2->id());
-  EXPECT_EQ(device2.get(), queried_device);
-
-  provider_->RemoveDevice(device1.get());
-  webvr_devices = device_manager_->GetVRDevices();
-  // Should have successfully returned one device.
-  EXPECT_EQ(1u, webvr_devices.size());
-  // The WebVRDevice index should match the only remaining device id.
-  EXPECT_EQ(webvr_devices[0]->index, device2->id());
-}
-
-}  // namespace content