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// Copyright 2014 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 "device_light_event_pump.h"
#include "base/message_loop/message_loop.h"
#include "content/common/device_sensors/device_light_hardware_buffer.h"
#include "content/public/test/test_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/WebKit/public/platform/WebDeviceLightListener.h"
namespace content {
class MockDeviceLightListener : public blink::WebDeviceLightListener {
public:
MockDeviceLightListener() : did_change_device_light_(false) {}
virtual ~MockDeviceLightListener() {}
virtual void didChangeDeviceLight(double value) override {
data_.value = value;
did_change_device_light_ = true;
}
bool did_change_device_light() const { return did_change_device_light_; }
void set_did_change_device_light(bool value) {
did_change_device_light_ = value;
}
const DeviceLightData& data() const { return data_; }
private:
bool did_change_device_light_;
DeviceLightData data_;
DISALLOW_COPY_AND_ASSIGN(MockDeviceLightListener);
};
class DeviceLightEventPumpForTesting : public DeviceLightEventPump {
public:
DeviceLightEventPumpForTesting()
: DeviceLightEventPump(0) {}
~DeviceLightEventPumpForTesting() override {}
void OnDidStart(base::SharedMemoryHandle renderer_handle) {
DeviceLightEventPump::OnDidStart(renderer_handle);
}
void SendStartMessage() override {}
void SendStopMessage() override {}
void FireEvent() override {
DeviceLightEventPump::FireEvent();
Stop();
base::MessageLoop::current()->QuitWhenIdle();
}
private:
DISALLOW_COPY_AND_ASSIGN(DeviceLightEventPumpForTesting);
};
class DeviceLightEventPumpTest : public testing::Test {
public:
DeviceLightEventPumpTest() {
EXPECT_TRUE(shared_memory_.CreateAndMapAnonymous(
sizeof(DeviceLightHardwareBuffer)));
}
protected:
void SetUp() override {
const DeviceLightHardwareBuffer* null_buffer = NULL;
listener_.reset(new MockDeviceLightListener);
light_pump_.reset(new DeviceLightEventPumpForTesting);
buffer_ = static_cast<DeviceLightHardwareBuffer*>(shared_memory_.memory());
ASSERT_NE(null_buffer, buffer_);
ASSERT_TRUE(shared_memory_.ShareToProcess(base::GetCurrentProcessHandle(),
&handle_));
}
void InitBuffer() {
DeviceLightData& data = buffer_->data;
data.value = 1.0;
}
MockDeviceLightListener* listener() { return listener_.get(); }
DeviceLightEventPumpForTesting* light_pump() { return light_pump_.get(); }
base::SharedMemoryHandle handle() { return handle_; }
DeviceLightHardwareBuffer* buffer() { return buffer_; }
private:
scoped_ptr<MockDeviceLightListener> listener_;
scoped_ptr<DeviceLightEventPumpForTesting> light_pump_;
base::SharedMemoryHandle handle_;
base::SharedMemory shared_memory_;
DeviceLightHardwareBuffer* buffer_;
DISALLOW_COPY_AND_ASSIGN(DeviceLightEventPumpTest);
};
TEST_F(DeviceLightEventPumpTest, DidStartPolling) {
base::MessageLoopForUI loop;
InitBuffer();
light_pump()->Start(listener());
light_pump()->OnDidStart(handle());
base::MessageLoop::current()->Run();
const DeviceLightData& received_data = listener()->data();
EXPECT_TRUE(listener()->did_change_device_light());
EXPECT_EQ(1, static_cast<double>(received_data.value));
}
TEST_F(DeviceLightEventPumpTest, FireAllNullEvent) {
base::MessageLoopForUI loop;
light_pump()->Start(listener());
light_pump()->OnDidStart(handle());
base::MessageLoop::current()->Run();
const DeviceLightData& received_data = listener()->data();
EXPECT_TRUE(listener()->did_change_device_light());
EXPECT_FALSE(received_data.value);
}
TEST_F(DeviceLightEventPumpTest, DidStartPollingValuesEqual) {
base::MessageLoopForUI loop;
InitBuffer();
light_pump()->Start(listener());
light_pump()->OnDidStart(handle());
base::MessageLoop::current()->Run();
const DeviceLightData& received_data = listener()->data();
EXPECT_TRUE(listener()->did_change_device_light());
EXPECT_EQ(1, static_cast<double>(received_data.value));
double last_seen_data = received_data.value;
// Set next value to be same as previous value.
buffer()->data.value = 1.0;
listener()->set_did_change_device_light(false);
// Reset the pump's listener.
light_pump()->Start(listener());
base::MessageLoop::current()->PostTask(
FROM_HERE,
base::Bind(&DeviceLightEventPumpForTesting::FireEvent,
base::Unretained(light_pump())));
base::MessageLoop::current()->Run();
// No change in device light as present value is same as previous value.
EXPECT_FALSE(listener()->did_change_device_light());
EXPECT_EQ(last_seen_data, static_cast<double>(received_data.value));
}
} // namespace content
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