1 files changed, 60 insertions, 0 deletions
diff --git a/cc/trees/proxy_impl_unittest.cc b/cc/trees/proxy_impl_unittest.cc
new file mode 100644
index 0000000..ad99d53
--- /dev/null
+++ b/cc/trees/proxy_impl_unittest.cc
@@ -0,0 +1,60 @@
+// 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 "cc/test/fake_channel_impl.h"
+#include "cc/test/fake_layer_tree_host.h"
+#include "cc/test/fake_layer_tree_host_client.h"
+#include "cc/test/proxy_impl_for_test.h"
+#include "cc/test/test_hooks.h"
+#include "cc/test/test_task_graph_runner.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace cc {
+
+class ProxyImplTest : public testing::Test, public TestHooks {
+ public:
+  ~ProxyImplTest() override {
+    DebugScopedSetImplThreadAndMainThreadBlocked impl_and_main_blocked(
+        task_runner_provider_);
+    proxy_impl_.reset();
+  }
+
+  void RequestNewOutputSurface() override {}
+
+ protected:
+  ProxyImplTest()
+      : host_client_(FakeLayerTreeHostClient::DIRECT_3D),
+        task_runner_provider_(nullptr) {}
+
+  void Initialize(CompositorMode mode) {
+    layer_tree_host_ = FakeLayerTreeHost::Create(
+        &host_client_, &task_graph_runner_, settings_, mode);
+    task_runner_provider_ = layer_tree_host_->task_runner_provider();
+    {
+      DebugScopedSetImplThreadAndMainThreadBlocked impl_and_main_blocked(
+          task_runner_provider_);
+      proxy_impl_ =
+          ProxyImplForTest::Create(this, &channel_impl_, layer_tree_host_.get(),
+                                   task_runner_provider_, nullptr);
+    }
+  }
+
+  TestTaskGraphRunner task_graph_runner_;
+  LayerTreeSettings settings_;
+  FakeLayerTreeHostClient host_client_;
+  FakeChannelImpl channel_impl_;
+  TaskRunnerProvider* task_runner_provider_;
+  scoped_ptr<ProxyImplForTest> proxy_impl_;
+  scoped_ptr<FakeLayerTreeHost> layer_tree_host_;
+};
+
+// This is a regression test. See crbug/568120.
+TEST_F(ProxyImplTest, NonZeroSmoothnessPriorityExpiration) {
+  Initialize(CompositorMode::Threaded);
+  DebugScopedSetImplThread impl_thread(task_runner_provider_);
+  EXPECT_FALSE(
+      proxy_impl_->smoothness_priority_expiration_notifier().delay().is_zero());
+}
+
+}  // namespace cc