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Unified Diff: content/browser/vr/vr_service_unittest.cc

Issue 829803003: Adding Chrome-side WebVR interface (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Moved cardboard-java gyp and gn config into third_party Created 5 years, 8 months ago
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Index: content/browser/vr/vr_service_unittest.cc
diff --git a/content/browser/vr/vr_service_unittest.cc b/content/browser/vr/vr_service_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..854e5f9a6552fbf41cb94a9de3f313b85adabdd1
--- /dev/null
+++ b/content/browser/vr/vr_service_unittest.cc
@@ -0,0 +1,136 @@
+// 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_provider.h"
+#include "content/browser/vr/vr_service.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace content {
+
+using blink::WebVRDevice;
+
+class VRServiceTest : public testing::Test {
+ protected:
+ VRServiceTest();
+ ~VRServiceTest() override;
+
+ void SetUp() override;
+
+ size_t ServiceConsumerCount() {
+ return service_->consumers_.size();
+ }
+
+ bool HasServiceInstance() {
+ return VRService::HasInstance();
+ }
+
+ protected:
+ FakeVRDeviceProvider* provider_;
+ scoped_ptr<VRService> service_;
+
+ DISALLOW_COPY_AND_ASSIGN(VRServiceTest);
+};
+
+VRServiceTest::VRServiceTest() {
+}
+
+VRServiceTest::~VRServiceTest() {
+}
+
+void VRServiceTest::SetUp() {
+ scoped_ptr<FakeVRDeviceProvider> provider(new FakeVRDeviceProvider());
+ provider_ = provider.get();
+ service_.reset(new VRService(provider.Pass()));
+}
+
+TEST_F(VRServiceTest, 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.
+ std::vector<blink::WebVRDevice> webvr_devices;
+ service_->GetVRDevices(&webvr_devices);
+ EXPECT_TRUE(provider_->IsInitialized());
+}
+
+TEST_F(VRServiceTest, ServiceConsumerTest) {
+
+ {
+ VRServiceConsumer consumer;
+
+ // Constructing a consumer should not cause the service to initialize it's
+ // providers.
+ EXPECT_FALSE(provider_->IsInitialized());
+ // Constructing a consumer does not automatically add it to the service.
+ EXPECT_EQ(0u, ServiceConsumerCount());
+
+ consumer.GetServiceInstance();
+ // Getting a service instance should not cause the service to initialize
+ // it's providers.
+ EXPECT_FALSE(provider_->IsInitialized());
+ // Getting a service instance should add the consumer to the service.
+ EXPECT_EQ(1u, ServiceConsumerCount());
+
+ std::vector<blink::WebVRDevice> webvr_devices;
+ service_->GetVRDevices(&webvr_devices);
+
+ {
+ VRServiceConsumer consumer2;
+ consumer2.GetServiceInstance();
+ EXPECT_EQ(2u, ServiceConsumerCount());
+ }
+
+ // Consumers should remove themselves from the service when destroyed.
+ EXPECT_EQ(1u, ServiceConsumerCount());
+ }
+}
+
+TEST_F(VRServiceTest, GetDevicesBasicTest) {
+ std::vector<blink::WebVRDevice> webvr_devices;
+ service_->GetVRDevices(&webvr_devices);
+ // 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 NULL if an invalid index in queried.
+ VRDevice* queried_device = service_->GetDevice(1);
+ EXPECT_EQ(NULL, queried_device);
+
+ scoped_ptr<FakeVRDevice> device1(new FakeVRDevice(provider_));
+ provider_->AddDevice(device1.get());
+ service_->GetVRDevices(&webvr_devices);
+ // 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());
+ service_->GetVRDevices(&webvr_devices);
+ // 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 = service_->GetDevice(device1->id());
+ EXPECT_EQ(device1.get(), queried_device);
+ queried_device = service_->GetDevice(device2->id());
+ EXPECT_EQ(device2.get(), queried_device);
+
+ provider_->RemoveDevice(device1.get());
+ service_->GetVRDevices(&webvr_devices);
+ // 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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