(reland) Adds TimeDomains to the TaskQueueManager

components/scheduler/base/delayed_task_delegate_unittest.cc

Index: components/scheduler/base/delayed_task_delegate_unittest.cc
diff --git a/components/scheduler/base/delayed_task_delegate_unittest.cc b/components/scheduler/base/delayed_task_delegate_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..df25757bbaa4506a5ff4e97d60eefa6c474e97d0
--- /dev/null
+++ b/components/scheduler/base/delayed_task_delegate_unittest.cc
@@ -0,0 +1,166 @@
+// 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 "components/scheduler/base/delayed_task_delegate.h"
+
+#include "base/test/simple_test_tick_clock.h"
+#include "cc/test/ordered_simple_task_runner.h"
+#include "components/scheduler/base/task_queue_impl.h"
+#include "components/scheduler/base/task_queue_manager.h"
+#include "components/scheduler/base/task_queue_manager_delegate_for_test.h"
+#include "components/scheduler/base/test_time_source.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+using testing::_;
+
+namespace scheduler {
+
+class MockDelayedTaskDelegate : public DelayedTaskDelegate {
+ public:
+  MockDelayedTaskDelegate() : belongs_to_current_thread_(true) {}
+
+  // TimeSource implementation:
+  base::TimeTicks CachedNow() override {
+    return now_;
+  }
+  void InvalidateNowCache() override {
+  }
+
+  bool BelongsToCurrentThread() const override {
+    return belongs_to_current_thread_;
+  }
+
+  MOCK_METHOD2(PostScheduleDelayedWorkTaskOnMainThread,
+               void(internal::TaskQueueImpl* queue,
+                    base::TimeTicks delayed_run_time));
+  MOCK_METHOD1(ScheduleDoWork, void(base::TimeDelta delay));
+
+  void SetNow(base::TimeTicks now) {
+    now_ = now;
+  }
+
+  void SetBelongsToCurrentThread(bool belongs_to_current_thread) {
+    belongs_to_current_thread_ = belongs_to_current_thread;
+  }
+
+  const DelayedWakeupMultimap& delayed_wakeup_multimap() const {
+    return delayed_wakeup_multimap_;
+  }
+
+ private:
+  base::TimeTicks now_;
+  bool belongs_to_current_thread_;
+
+  ~MockDelayedTaskDelegate() override {}
+
+  DISALLOW_COPY_AND_ASSIGN(MockDelayedTaskDelegate);
+};
+
+class DelayedTaskDelegateTest : public testing::Test {
+ public:
+
+  void SetUp() final {
+    delegate_= make_scoped_refptr(new MockDelayedTaskDelegate);
+    task_queue_ = make_scoped_refptr(
+        new internal::TaskQueueImpl(nullptr,
+                                    delegate_,
+                                    TaskQueue::Spec("test_queue"),
+                                    "test.category",
+                                    "test.category"));
+  }
+
+  scoped_refptr<MockDelayedTaskDelegate> delegate_;
+  scoped_refptr<internal::TaskQueueImpl> task_queue_;
+};
+
+TEST_F(DelayedTaskDelegateTest, ScheduleDelayedWork_SameThread) {
+  base::TimeDelta delay = base::TimeDelta::FromMilliseconds(10);
+  base::TimeTicks delayed_runtime = delegate_->CachedNow() + delay;
+  EXPECT_CALL(*delegate_.get(), ScheduleDoWork(delay));
+  delegate_->ScheduleDelayedWork(task_queue_.get(),
+                                 delegate_->CachedNow() + delay);
+
+  EXPECT_EQ(delayed_runtime,
+            delegate_->delayed_wakeup_multimap().begin()->first);
+  EXPECT_EQ(task_queue_.get(),
+            delegate_->delayed_wakeup_multimap().begin()->second);
+}
+
+TEST_F(DelayedTaskDelegateTest, ScheduleDelayedWork_DifferentThread) {
+  delegate_->SetBelongsToCurrentThread(false);
+
+  base::TimeDelta delay = base::TimeDelta::FromMilliseconds(10);
+  base::TimeTicks delayed_runtime = delegate_->CachedNow() + delay;
+  EXPECT_CALL(*delegate_.get(),
+              PostScheduleDelayedWorkTaskOnMainThread(task_queue_.get(),
+                                                      delayed_runtime));
+  delegate_->ScheduleDelayedWork(task_queue_.get(), delayed_runtime);
+  EXPECT_TRUE(delegate_->delayed_wakeup_multimap().empty());
+}
+
+TEST_F(DelayedTaskDelegateTest, CancelDelayedWork) {
+  scoped_refptr<internal::TaskQueueImpl> task_queue2_ =
+      make_scoped_refptr(
+          new internal::TaskQueueImpl(nullptr,
+                                      delegate_,
+                                      TaskQueue::Spec("test_queue2"),
+                                      "test.category",
+                                      "test.category"));
+
+  EXPECT_CALL(*delegate_.get(), ScheduleDoWork(_)).Times(2);
+  delegate_->ScheduleDelayedWork(
+      task_queue_.get(),
+      delegate_->CachedNow() + base::TimeDelta::FromMilliseconds(10));
+  delegate_->ScheduleDelayedWork(
+      task_queue2_.get(),
+      delegate_->CachedNow() + base::TimeDelta::FromMilliseconds(100));
+
+  EXPECT_EQ(task_queue_.get(),
+            delegate_->delayed_wakeup_multimap().begin()->second);
+
+  delegate_->CancelDelayedWork(task_queue_.get());
+  EXPECT_EQ(task_queue2_.get(),
+            delegate_->delayed_wakeup_multimap().begin()->second);
+
+  delegate_->CancelDelayedWork(task_queue2_.get());
+  EXPECT_TRUE(delegate_->delayed_wakeup_multimap().empty());
+}
+
+TEST_F(DelayedTaskDelegateTest, WakeupReadyDelayedQueues) {
+  scoped_refptr<MockDelayedTaskDelegate> dummy_delegate(
+      new MockDelayedTaskDelegate);
+  base::SimpleTestTickClock dummy_time_source;
+  scoped_refptr<cc::OrderedSimpleTaskRunner> dummy_task_runner(
+      new cc::OrderedSimpleTaskRunner(&dummy_time_source, false));
+  TaskQueueManager task_queue_manager(
+      TaskQueueManagerDelegateForTest::Create(
+          dummy_task_runner,
+          make_scoped_ptr(new TestTimeSource(&dummy_time_source))),
+      "test.scheduler", "test.scheduler", "scheduler.debug");
+  scoped_refptr<internal::TaskQueueImpl> dummy_queue =
+      task_queue_manager.NewTaskQueue(TaskQueue::Spec("test_queue"));
+
+  // Post a delayed task on |dummy_queue| and advance the queue's clock so that
+  // next time MoveReadyDelayedTasksToIncomingQueue is called, the task will
+  // get moved onto the incomming queue.
+  base::TimeDelta dummy_delay = base::TimeDelta::FromMilliseconds(10);
+  dummy_queue->PostDelayedTask(FROM_HERE, base::Closure(), dummy_delay);
+  dummy_time_source.Advance(dummy_delay);
+
+  // Now we can test that WakeupReadyDelayedQueues triggers calls to
+  // MoveReadyDelayedTasksToIncomingQueue as expected.
+  base::TimeDelta delay = base::TimeDelta::FromMilliseconds(50);
+  base::TimeTicks delayed_runtime = delegate_->CachedNow() + delay;
+  EXPECT_CALL(*delegate_.get(), ScheduleDoWork(delay));
+  delegate_->ScheduleDelayedWork(dummy_queue.get(), delayed_runtime);
+
+  delegate_->WakeupReadyDelayedQueues();
+  EXPECT_EQ(0UL, dummy_queue->IncommingQueueSizeForTest());
+
+  delegate_->SetNow(delayed_runtime);
+  delegate_->WakeupReadyDelayedQueues();
+  EXPECT_EQ(1UL, dummy_queue->IncommingQueueSizeForTest());
+}
+
+}  // namespace scheduler