| // Copyright 2019 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 <memory> |
| |
| #include "base/environment.h" |
| #include "base/run_loop.h" |
| #include "chrome/browser/vr/test/mock_xr_device_hook_base.h" |
| #include "chrome/browser/vr/test/multi_class_browser_test.h" |
| #include "chrome/browser/vr/test/ui_utils.h" |
| #include "chrome/browser/vr/test/webxr_vr_browser_test.h" |
| |
| namespace vr { |
| |
| namespace { |
| |
| class MyXRMock : public MockXRDeviceHookBase { |
| public: |
| void OnFrameSubmitted( |
| device_test::mojom::SubmittedFrameDataPtr frame_data, |
| device_test::mojom::XRTestHook::OnFrameSubmittedCallback callback) final; |
| |
| // The test waits for a submitted frame before returning. |
| void WaitForFrames(int count) { |
| DCHECK(!wait_loop_); |
| wait_frame_count_ = num_frames_submitted_ + count; |
| |
| base::RunLoop* wait_loop = |
| new base::RunLoop(base::RunLoop::Type::kNestableTasksAllowed); |
| wait_loop_ = wait_loop; |
| wait_loop->Run(); |
| delete wait_loop; |
| } |
| |
| int FramesSubmitted() const { return num_frames_submitted_; } |
| |
| private: |
| // Set to null on background thread after calling Quit(), so we can ensure we |
| // only call Quit once. |
| base::RunLoop* wait_loop_ = nullptr; |
| |
| int wait_frame_count_ = 0; |
| int num_frames_submitted_ = 0; |
| }; |
| |
| void MyXRMock::OnFrameSubmitted( |
| device_test::mojom::SubmittedFrameDataPtr frame_data, |
| device_test::mojom::XRTestHook::OnFrameSubmittedCallback callback) { |
| num_frames_submitted_++; |
| if (num_frames_submitted_ >= wait_frame_count_ && wait_frame_count_ > 0 && |
| wait_loop_) { |
| wait_loop_->Quit(); |
| wait_loop_ = nullptr; |
| } |
| |
| std::move(callback).Run(); |
| } |
| |
| } // namespace |
| |
| WEBXR_VR_ALL_RUNTIMES_BROWSER_TEST_F(TestNoStalledFrameLoop) { |
| MyXRMock my_mock; |
| |
| // Load the test page, and enter presentation. |
| t->LoadFileAndAwaitInitialization("webxr_no_stalled_frame_loop"); |
| t->EnterSessionWithUserGestureOrFail(); |
| |
| // Wait for 2 frames to be submitted back to the device, but the js frame loop |
| // should've only been called once. |
| my_mock.WaitForFrames(2); |
| ASSERT_TRUE(t->RunJavaScriptAndExtractBoolOrFail("frame_count === 1")); |
| |
| // Now restart the frame loop and wait for another frame to get submitted. |
| t->RunJavaScriptOrFail("setBaseLayer()"); |
| t->PollJavaScriptBooleanOrFail("frame_count >= 2", |
| XrBrowserTestBase::kPollTimeoutMedium); |
| |
| t->AssertNoJavaScriptErrors(); |
| } |
| |
| WEBXR_VR_ALL_RUNTIMES_BROWSER_TEST_F(TestLateSetOfBaseLayer) { |
| MyXRMock my_mock; |
| |
| // Load the test page, and enter presentation. |
| t->LoadFileAndAwaitInitialization("webxr_set_base_layer_late"); |
| t->EnterSessionWithUserGestureOrFail(); |
| |
| // Poll and have the javascript yield for 500 ms. This should give us enough |
| // time for any frame requests that were going to propagate to propagate. |
| t->RunJavaScriptOrFail("delayMilliseconds(500)"); |
| t->PollJavaScriptBooleanOrFail("delay_ended"); |
| |
| // No frames should have been submitted to either the JS or the runtime. |
| ASSERT_TRUE(t->RunJavaScriptAndExtractBoolOrFail("frame_count === 0")); |
| ASSERT_EQ(my_mock.FramesSubmitted(), 0); |
| |
| // Now restart the frame loop and wait for a frame to get submitted. |
| t->RunJavaScriptOrFail("setBaseLayer()"); |
| t->PollJavaScriptBooleanOrFail("frame_count >= 1", |
| XrBrowserTestBase::kPollTimeoutMedium); |
| |
| t->AssertNoJavaScriptErrors(); |
| } |
| |
| } // namespace vr |