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// 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 "base/memory/linked_ptr.h"
#include "base/memory/scoped_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_manager.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_;
scoped_ptr<VRDeviceManager> device_manager_;
DISALLOW_COPY_AND_ASSIGN(VRDeviceManagerTest);
};
VRDeviceManagerTest::VRDeviceManagerTest() {
}
VRDeviceManagerTest::~VRDeviceManagerTest() {
}
void VRDeviceManagerTest::SetUp() {
scoped_ptr<FakeVRDeviceProvider> provider(new FakeVRDeviceProvider());
provider_ = provider.get();
device_manager_.reset(new VRDeviceManager(provider.Pass()));
}
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 VRService should initialize each of it's providers upon it's own
// initialization.
mojo::Array<VRDeviceInfoPtr> webvr_devices;
webvr_devices = device_manager_->GetVRDevices();
EXPECT_TRUE(provider_->IsInitialized());
}
TEST_F(VRDeviceManagerTest, GetDevicesBasicTest) {
mojo::Array<VRDeviceInfoPtr> 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);
scoped_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());
scoped_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
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