content/renderer/device_sensors/device_motion_event_pump_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "device_motion_event_pump.h"
   6
   7 #include "base/logging.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/message_loop/message_loop.h"
  10 #include "content/common/device_sensors/device_motion_hardware_buffer.h"
  11 #include "content/public/test/test_utils.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13 #include "third_party/WebKit/public/platform/WebDeviceMotionListener.h"
  14
  15 namespace content {
  16
  17 class MockDeviceMotionListener : public blink::WebDeviceMotionListener {
  18  public:
  19   MockDeviceMotionListener() : did_change_device_motion_(false) {
  20     memset(&data_, 0, sizeof(data_));
  21   }
  22   virtual ~MockDeviceMotionListener() { }
  23
  24   virtual void didChangeDeviceMotion(
  25       const blink::WebDeviceMotionData& data) OVERRIDE {
  26     memcpy(&data_, &data, sizeof(data));
  27     did_change_device_motion_ = true;
  28   }
  29
  30   bool did_change_device_motion() const {
  31     return did_change_device_motion_;
  32   }
  33   const blink::WebDeviceMotionData& data() const {
  34     return data_;
  35   }
  36
  37  private:
  38   bool did_change_device_motion_;
  39   blink::WebDeviceMotionData data_;
  40
  41   DISALLOW_COPY_AND_ASSIGN(MockDeviceMotionListener);
  42 };
  43
  44 class DeviceMotionEventPumpForTesting : public DeviceMotionEventPump {
  45  public:
  46   DeviceMotionEventPumpForTesting()
  47       : DeviceMotionEventPump(0) { }
  48   virtual ~DeviceMotionEventPumpForTesting() { }
  49
  50   void OnDidStart(base::SharedMemoryHandle renderer_handle) {
  51     DeviceMotionEventPump::OnDidStart(renderer_handle);
  52   }
  53   virtual void SendStartMessage() OVERRIDE { }
  54   virtual void SendStopMessage() OVERRIDE { }
  55   virtual void FireEvent() OVERRIDE {
  56     DeviceMotionEventPump::FireEvent();
  57     Stop();
  58     base::MessageLoop::current()->QuitWhenIdle();
  59   }
  60
  61  private:
  62   DISALLOW_COPY_AND_ASSIGN(DeviceMotionEventPumpForTesting);
  63 };
  64
  65 class DeviceMotionEventPumpTest : public testing::Test {
  66  public:
  67   DeviceMotionEventPumpTest() {
  68     EXPECT_TRUE(shared_memory_.CreateAndMapAnonymous(
  69         sizeof(DeviceMotionHardwareBuffer)));
  70   }
  71
  72  protected:
  73   virtual void SetUp() OVERRIDE {
  74     const DeviceMotionHardwareBuffer* null_buffer = NULL;
  75     listener_.reset(new MockDeviceMotionListener);
  76     motion_pump_.reset(new DeviceMotionEventPumpForTesting);
  77     buffer_ = static_cast<DeviceMotionHardwareBuffer*>(shared_memory_.memory());
  78     ASSERT_NE(null_buffer, buffer_);
  79     memset(buffer_, 0, sizeof(DeviceMotionHardwareBuffer));
  80     ASSERT_TRUE(shared_memory_.ShareToProcess(base::GetCurrentProcessHandle(),
  81         &handle_));
  82   }
  83
  84   void InitBuffer(bool allAvailableSensorsActive) {
  85     blink::WebDeviceMotionData& data = buffer_->data;
  86     data.accelerationX = 1;
  87     data.hasAccelerationX = true;
  88     data.accelerationY = 2;
  89     data.hasAccelerationY = true;
  90     data.accelerationZ = 3;
  91     data.hasAccelerationZ = true;
  92     data.allAvailableSensorsAreActive = allAvailableSensorsActive;
  93   }
  94
  95   MockDeviceMotionListener* listener() { return listener_.get(); }
  96   DeviceMotionEventPumpForTesting* motion_pump() { return motion_pump_.get(); }
  97   base::SharedMemoryHandle handle() { return handle_; }
  98
  99  private:
 100   scoped_ptr<MockDeviceMotionListener> listener_;
 101   scoped_ptr<DeviceMotionEventPumpForTesting> motion_pump_;
 102   base::SharedMemoryHandle handle_;
 103   base::SharedMemory shared_memory_;
 104   DeviceMotionHardwareBuffer* buffer_;
 105
 106   DISALLOW_COPY_AND_ASSIGN(DeviceMotionEventPumpTest);
 107 };
 108
 109 TEST_F(DeviceMotionEventPumpTest, DidStartPolling) {
 110   base::MessageLoopForUI loop;
 111
 112   InitBuffer(true);
 113
 114   motion_pump()->Start(listener());
 115   motion_pump()->OnDidStart(handle());
 116
 117   base::MessageLoop::current()->Run();
 118
 119   const blink::WebDeviceMotionData& received_data = listener()->data();
 120   EXPECT_TRUE(listener()->did_change_device_motion());
 121   EXPECT_TRUE(received_data.hasAccelerationX);
 122   EXPECT_EQ(1, static_cast<double>(received_data.accelerationX));
 123   EXPECT_TRUE(received_data.hasAccelerationX);
 124   EXPECT_EQ(2, static_cast<double>(received_data.accelerationY));
 125   EXPECT_TRUE(received_data.hasAccelerationY);
 126   EXPECT_EQ(3, static_cast<double>(received_data.accelerationZ));
 127   EXPECT_TRUE(received_data.hasAccelerationZ);
 128   EXPECT_FALSE(received_data.hasAccelerationIncludingGravityX);
 129   EXPECT_FALSE(received_data.hasAccelerationIncludingGravityY);
 130   EXPECT_FALSE(received_data.hasAccelerationIncludingGravityZ);
 131   EXPECT_FALSE(received_data.hasRotationRateAlpha);
 132   EXPECT_FALSE(received_data.hasRotationRateBeta);
 133   EXPECT_FALSE(received_data.hasRotationRateGamma);
 134 }
 135
 136 TEST_F(DeviceMotionEventPumpTest, DidStartPollingNotAllSensorsActive) {
 137   base::MessageLoopForUI loop;
 138
 139   InitBuffer(false);
 140
 141   motion_pump()->Start(listener());
 142   motion_pump()->OnDidStart(handle());
 143
 144   base::MessageLoop::current()->Run();
 145
 146   const blink::WebDeviceMotionData& received_data = listener()->data();
 147   // No change in device motion because allAvailableSensorsAreActive is false.
 148   EXPECT_FALSE(listener()->did_change_device_motion());
 149   EXPECT_FALSE(received_data.hasAccelerationX);
 150   EXPECT_FALSE(received_data.hasAccelerationX);
 151   EXPECT_FALSE(received_data.hasAccelerationY);
 152   EXPECT_FALSE(received_data.hasAccelerationZ);
 153   EXPECT_FALSE(received_data.hasAccelerationIncludingGravityX);
 154   EXPECT_FALSE(received_data.hasAccelerationIncludingGravityY);
 155   EXPECT_FALSE(received_data.hasAccelerationIncludingGravityZ);
 156   EXPECT_FALSE(received_data.hasRotationRateAlpha);
 157   EXPECT_FALSE(received_data.hasRotationRateBeta);
 158   EXPECT_FALSE(received_data.hasRotationRateGamma);
 159 }
 160
 161 }  // namespace content