cc: Add new RasterWorkerPool interface.

cc/resources/raster_worker_pool_unittest.cc

+// Copyright (c) 2013 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/resources/raster_worker_pool.h"
+
+#include <vector>
+
+#include "cc/resources/image_raster_worker_pool.h"
+#include "cc/resources/picture_pile.h"
+#include "cc/resources/picture_pile_impl.h"
+#include "cc/resources/pixel_buffer_raster_worker_pool.h"
+#include "cc/resources/resource_provider.h"
+#include "cc/resources/scoped_resource.h"
+#include "cc/test/fake_output_surface.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace cc {
+
+namespace {
+
+class RasterWorkerPoolTest : public testing::Test {
+ public:
+  RasterWorkerPoolTest()
+      : output_surface_(FakeOutputSurface::Create3d()),
+        resource_provider_(
+            ResourceProvider::Create(output_surface_.get(), 0)),
+        check_interval_milliseconds_(1),
+        timeout_seconds_(5),
+        timed_out_(false) {
+  }
+  virtual ~RasterWorkerPoolTest() {
+    resource_provider_.reset();
+  }
+
+  // Overridden from testing::Test:
+  virtual void TearDown() OVERRIDE {
+    if (!raster_worker_pool_)
+      return;
+    raster_worker_pool_->Shutdown();
+    raster_worker_pool_->CheckForCompletedTasks();
+  }
+
+  virtual void BeginTest() = 0;
+  virtual void AfterTest() = 0;
+
+  ResourceProvider* resource_provider() const {
+    return resource_provider_.get();
+  }
+
+  RasterWorkerPool* worker_pool() {
+    return raster_worker_pool_.get();
+  }
+
+  void RunTest(bool use_map_image) {
+    if (use_map_image) {
+      raster_worker_pool_ = ImageRasterWorkerPool::Create(
+          resource_provider(), 1);
+    } else {
+      raster_worker_pool_ = PixelBufferRasterWorkerPool::Create(
+          resource_provider(), 1);
+    }
+
+    BeginTest();
+
+    ScheduleCheckForCompletedTasks();
+
+    if (timeout_seconds_) {
+      timeout_.Reset(base::Bind(&RasterWorkerPoolTest::OnTimeout,
+                                base::Unretained(this)));
+      base::MessageLoopProxy::current()->PostDelayedTask(
+          FROM_HERE,
+          timeout_.callback(),
+          base::TimeDelta::FromSeconds(timeout_seconds_));
+    }
+
+    base::MessageLoop::current()->Run();
+
+    check_.Cancel();
+    timeout_.Cancel();
+
+    if (timed_out_) {
+      FAIL() << "Test timed out";
+      return;
+    }
+    AfterTest();
+  }
+
+  void EndTest() {
+    base::MessageLoop::current()->Quit();
+  }
+
+ private:
+  void ScheduleCheckForCompletedTasks() {
+    check_.Reset(base::Bind(&RasterWorkerPoolTest::OnCheckForCompletedTasks,
+                            base::Unretained(this)));
+    base::MessageLoopProxy::current()->PostDelayedTask(
+        FROM_HERE,
+        check_.callback(),
+        base::TimeDelta::FromMilliseconds(check_interval_milliseconds_));
+  }
+
+  void OnCheckForCompletedTasks() {
+    raster_worker_pool_->CheckForCompletedTasks();
+    ScheduleCheckForCompletedTasks();
+  }
+
+  void OnTimeout() {
+    timed_out_ = true;
+    base::MessageLoop::current()->Quit();
+  }
+
+  scoped_ptr<FakeOutputSurface> output_surface_;
+  scoped_ptr<ResourceProvider> resource_provider_;
+  scoped_ptr<RasterWorkerPool> raster_worker_pool_;
+  base::CancelableClosure check_;
+  int check_interval_milliseconds_;
+  base::CancelableClosure timeout_;
+  int timeout_seconds_;
+  bool timed_out_;
+};
+
+#define PIXEL_BUFFER_TEST_F(TEST_FIXTURE_NAME)                  \
+  TEST_F(TEST_FIXTURE_NAME, RunPixelBuffer) {                   \
+    RunTest(false);                                             \
+  }
+
+#define IMAGE_TEST_F(TEST_FIXTURE_NAME)                         \
+  TEST_F(TEST_FIXTURE_NAME, RunImage) {                         \
+    RunTest(true);                                              \
+  }
+
+#define PIXEL_BUFFER_AND_IMAGE_TEST_F(TEST_FIXTURE_NAME)        \
+  PIXEL_BUFFER_TEST_F(TEST_FIXTURE_NAME);                       \
+  IMAGE_TEST_F(TEST_FIXTURE_NAME)
+
+class BasicRasterWorkerPoolTest : public RasterWorkerPoolTest {
+ public:
+  bool RunRasterTask(SkDevice* device, PicturePileImpl* picture_pile) {
+    return true;
+  }
+
+  void OnTaskCompleted(scoped_ptr<ScopedResource> resource,
+                       unsigned id,
+                       bool was_canceled) {
+    on_task_completed_ids_.push_back(id);
+    if (on_task_completed_ids_.size() == 2)
+      EndTest();
+  }
+
+  void AppendTask(unsigned id) {
+    const gfx::Size size(1, 1);
+
+    scoped_refptr<PicturePile> picture_pile(new PicturePile);
+    picture_pile->set_num_raster_threads(1);
+    scoped_refptr<PicturePileImpl> picture_pile_impl(
+        PicturePileImpl::CreateFromOther(picture_pile.get(), false));
+
+    scoped_ptr<ScopedResource> resource(
+        ScopedResource::create(resource_provider()));
+    resource->Allocate(size, GL_RGBA, ResourceProvider::TextureUsageAny);
+    const Resource* const_resource = resource.get();
+
+    RasterWorkerPool::Task::Set empty;
+    tasks_.push_back(
+        RasterWorkerPool::RasterTask(
+            picture_pile_impl,
+            const_resource,
+            base::Bind(&BasicRasterWorkerPoolTest::RunRasterTask,
+                       base::Unretained(this)),
+            base::Bind(&BasicRasterWorkerPoolTest::OnTaskCompleted,
+                       base::Unretained(this),
+                       base::Passed(&resource),
+                       id),
+            &empty));
+  }
+
+  void ScheduleTasks() {
+    RasterWorkerPool::RasterTask::Queue tasks;
+
+    for (std::vector<RasterWorkerPool::RasterTask>::iterator it =
+             tasks_.begin();
+         it != tasks_.end(); ++it)
+      tasks.Append(*it);
+
+    worker_pool()->ScheduleTasks(&tasks);
+  }
+
+  // Overridden from RasterWorkerPoolTest:
+  virtual void BeginTest() OVERRIDE {
+    AppendTask(0u);
+    AppendTask(1u);
+    ScheduleTasks();
+  }
+  virtual void AfterTest() OVERRIDE {
+    EXPECT_EQ(2u, on_task_completed_ids_.size());
+    tasks_.clear();
+  }
+
+  std::vector<RasterWorkerPool::RasterTask> tasks_;
+  std::vector<unsigned> on_task_completed_ids_;
+};
+
+PIXEL_BUFFER_AND_IMAGE_TEST_F(BasicRasterWorkerPoolTest);
+
+}  // namespace
+
+}  // namespace cc