v8/test/unittests/libplatform/default-platform-unittest.cc
2015-07-02 14:37:32 +00:00

132 lines
3.4 KiB
C++

// Copyright 2014 the V8 project 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 "src/libplatform/default-platform.h"
#include "testing/gmock/include/gmock/gmock.h"
using testing::InSequence;
using testing::StrictMock;
namespace v8 {
namespace platform {
namespace {
struct MockTask : public Task {
virtual ~MockTask() { Die(); }
MOCK_METHOD0(Run, void());
MOCK_METHOD0(Die, void());
};
class DefaultPlatformWithMockTime : public DefaultPlatform {
public:
DefaultPlatformWithMockTime() : time_(0) {}
double MonotonicallyIncreasingTime() override { return time_; }
void IncreaseTime(double seconds) { time_ += seconds; }
private:
double time_;
};
} // namespace
TEST(DefaultPlatformTest, PumpMessageLoop) {
InSequence s;
int dummy;
Isolate* isolate = reinterpret_cast<Isolate*>(&dummy);
DefaultPlatform platform;
EXPECT_FALSE(platform.PumpMessageLoop(isolate));
StrictMock<MockTask>* task = new StrictMock<MockTask>;
platform.CallOnForegroundThread(isolate, task);
EXPECT_CALL(*task, Run());
EXPECT_CALL(*task, Die());
EXPECT_TRUE(platform.PumpMessageLoop(isolate));
EXPECT_FALSE(platform.PumpMessageLoop(isolate));
}
TEST(DefaultPlatformTest, PumpMessageLoopDelayed) {
InSequence s;
int dummy;
Isolate* isolate = reinterpret_cast<Isolate*>(&dummy);
DefaultPlatformWithMockTime platform;
EXPECT_FALSE(platform.PumpMessageLoop(isolate));
StrictMock<MockTask>* task1 = new StrictMock<MockTask>;
StrictMock<MockTask>* task2 = new StrictMock<MockTask>;
platform.CallDelayedOnForegroundThread(isolate, task2, 100);
platform.CallDelayedOnForegroundThread(isolate, task1, 10);
EXPECT_FALSE(platform.PumpMessageLoop(isolate));
platform.IncreaseTime(11);
EXPECT_CALL(*task1, Run());
EXPECT_CALL(*task1, Die());
EXPECT_TRUE(platform.PumpMessageLoop(isolate));
EXPECT_FALSE(platform.PumpMessageLoop(isolate));
platform.IncreaseTime(90);
EXPECT_CALL(*task2, Run());
EXPECT_CALL(*task2, Die());
EXPECT_TRUE(platform.PumpMessageLoop(isolate));
}
TEST(DefaultPlatformTest, PumpMessageLoopNoStarvation) {
InSequence s;
int dummy;
Isolate* isolate = reinterpret_cast<Isolate*>(&dummy);
DefaultPlatformWithMockTime platform;
EXPECT_FALSE(platform.PumpMessageLoop(isolate));
StrictMock<MockTask>* task1 = new StrictMock<MockTask>;
StrictMock<MockTask>* task2 = new StrictMock<MockTask>;
StrictMock<MockTask>* task3 = new StrictMock<MockTask>;
platform.CallOnForegroundThread(isolate, task1);
platform.CallDelayedOnForegroundThread(isolate, task2, 10);
platform.IncreaseTime(11);
EXPECT_CALL(*task1, Run());
EXPECT_CALL(*task1, Die());
EXPECT_TRUE(platform.PumpMessageLoop(isolate));
platform.CallOnForegroundThread(isolate, task3);
EXPECT_CALL(*task2, Run());
EXPECT_CALL(*task2, Die());
EXPECT_TRUE(platform.PumpMessageLoop(isolate));
EXPECT_CALL(*task3, Run());
EXPECT_CALL(*task3, Die());
EXPECT_TRUE(platform.PumpMessageLoop(isolate));
}
TEST(DefaultPlatformTest, PendingDelayedTasksAreDestroyedOnShutdown) {
InSequence s;
int dummy;
Isolate* isolate = reinterpret_cast<Isolate*>(&dummy);
{
DefaultPlatformWithMockTime platform;
StrictMock<MockTask>* task = new StrictMock<MockTask>;
platform.CallDelayedOnForegroundThread(isolate, task, 10);
EXPECT_CALL(*task, Die());
}
}
} // namespace platform
} // namespace v8