content/common/input/input_param_traits_unittest.cc - chromium/src.git - Git at Google

 // Copyright 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 "content/common/input/input_param_traits.h"

 #include <stddef.h>

 #include <memory>
 #include <utility>
 #include <vector>

 #include "base/memory/ptr_util.h"
 #include "content/common/input/input_event.h"
 #include "content/common/input/synthetic_gesture_params.h"
 #include "content/common/input/synthetic_pinch_gesture_params.h"
 #include "content/common/input/synthetic_pointer_action_list_params.h"
 #include "content/common/input/synthetic_pointer_action_params.h"
 #include "content/common/input/synthetic_smooth_drag_gesture_params.h"
 #include "content/common/input/synthetic_smooth_scroll_gesture_params.h"
 #include "content/common/input_messages.h"
 #include "ipc/ipc_message.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebGestureEvent.h"
 #include "third_party/WebKit/public/platform/WebInputEvent.h"
 #include "third_party/WebKit/public/platform/WebKeyboardEvent.h"
 #include "third_party/WebKit/public/platform/WebMouseWheelEvent.h"
 #include "third_party/WebKit/public/platform/WebTouchEvent.h"

 namespace content {
 namespace {

 typedef std::vector<std::unique_ptr<InputEvent>> InputEvents;

 class InputParamTraitsTest : public testing::Test {
  protected:
   static void Compare(const InputEvent* a, const InputEvent* b) {
     EXPECT_EQ(!!a->web_event, !!b->web_event);
     if (a->web_event && b->web_event) {
       const size_t a_size = a->web_event->size();
       ASSERT_EQ(a_size, b->web_event->size());
       EXPECT_EQ(0, memcmp(a->web_event.get(), b->web_event.get(), a_size));
     }
     EXPECT_EQ(a->latency_info.latency_components().size(),
               b->latency_info.latency_components().size());
   }

   static void Compare(const InputEvents* a, const InputEvents* b) {
     for (size_t i = 0; i < a->size(); ++i)
       Compare((*a)[i].get(), (*b)[i].get());
   }

   static void Compare(const SyntheticSmoothScrollGestureParams* a,
                       const SyntheticSmoothScrollGestureParams* b) {
     EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
     EXPECT_EQ(a->anchor, b->anchor);
     EXPECT_EQ(a->distances.size(), b->distances.size());
     for (size_t i = 0; i < a->distances.size(); i++)
       EXPECT_EQ(a->distances[i], b->distances[i]);
     EXPECT_EQ(a->prevent_fling, b->prevent_fling);
     EXPECT_EQ(a->speed_in_pixels_s, b->speed_in_pixels_s);
   }

   static void Compare(const SyntheticSmoothDragGestureParams* a,
                       const SyntheticSmoothDragGestureParams* b) {
     EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
     EXPECT_EQ(a->start_point, b->start_point);
     EXPECT_EQ(a->distances.size(), b->distances.size());
     for (size_t i = 0; i < a->distances.size(); i++)
       EXPECT_EQ(a->distances[i], b->distances[i]);
     EXPECT_EQ(a->speed_in_pixels_s, b->speed_in_pixels_s);
   }

   static void Compare(const SyntheticPinchGestureParams* a,
                       const SyntheticPinchGestureParams* b) {
     EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
     EXPECT_EQ(a->scale_factor, b->scale_factor);
     EXPECT_EQ(a->anchor, b->anchor);
     EXPECT_EQ(a->relative_pointer_speed_in_pixels_s,
               b->relative_pointer_speed_in_pixels_s);
   }

   static void Compare(const SyntheticTapGestureParams* a,
                       const SyntheticTapGestureParams* b) {
     EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
     EXPECT_EQ(a->position, b->position);
     EXPECT_EQ(a->duration_ms, b->duration_ms);
   }

   static void Compare(const SyntheticPointerActionParams* a,
                       const SyntheticPointerActionParams* b) {
     EXPECT_EQ(a->pointer_action_type(), b->pointer_action_type());
     if (a->pointer_action_type() ==
             SyntheticPointerActionParams::PointerActionType::PRESS ||
         a->pointer_action_type() ==
             SyntheticPointerActionParams::PointerActionType::MOVE) {
       EXPECT_EQ(a->position(), b->position());
     }
     EXPECT_EQ(a->index(), b->index());
   }

   static void Compare(const SyntheticPointerActionListParams* a,
                       const SyntheticPointerActionListParams* b) {
     EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
     EXPECT_EQ(a->params.size(), b->params.size());
     for (size_t i = 0; i < a->params.size(); ++i) {
       EXPECT_EQ(a->params[i].size(), b->params[i].size());
       for (size_t j = 0; j < a->params[i].size(); ++j) {
         Compare(&a->params[i][j], &b->params[i][j]);
       }
     }
   }

   static void Compare(const SyntheticGesturePacket* a,
                       const SyntheticGesturePacket* b) {
     ASSERT_EQ(!!a, !!b);
     if (!a) return;
     ASSERT_EQ(!!a->gesture_params(), !!b->gesture_params());
     if (!a->gesture_params()) return;
     ASSERT_EQ(a->gesture_params()->GetGestureType(),
               b->gesture_params()->GetGestureType());
     switch (a->gesture_params()->GetGestureType()) {
       case SyntheticGestureParams::SMOOTH_SCROLL_GESTURE:
         Compare(SyntheticSmoothScrollGestureParams::Cast(a->gesture_params()),
                 SyntheticSmoothScrollGestureParams::Cast(b->gesture_params()));
         break;
       case SyntheticGestureParams::SMOOTH_DRAG_GESTURE:
         Compare(SyntheticSmoothDragGestureParams::Cast(a->gesture_params()),
                 SyntheticSmoothDragGestureParams::Cast(b->gesture_params()));
         break;
       case SyntheticGestureParams::PINCH_GESTURE:
         Compare(SyntheticPinchGestureParams::Cast(a->gesture_params()),
                 SyntheticPinchGestureParams::Cast(b->gesture_params()));
         break;
       case SyntheticGestureParams::TAP_GESTURE:
         Compare(SyntheticTapGestureParams::Cast(a->gesture_params()),
                 SyntheticTapGestureParams::Cast(b->gesture_params()));
         break;
       case SyntheticGestureParams::POINTER_ACTION_LIST:
         Compare(SyntheticPointerActionListParams::Cast(a->gesture_params()),
                 SyntheticPointerActionListParams::Cast(b->gesture_params()));
         break;
     }
   }

   static void Verify(const InputEvents& events_in) {
     IPC::Message msg;
     IPC::ParamTraits<InputEvents>::Write(&msg, events_in);

     InputEvents events_out;
     base::PickleIterator iter(msg);
     EXPECT_TRUE(IPC::ParamTraits<InputEvents>::Read(&msg, &iter, &events_out));

     Compare(&events_in, &events_out);

     // Perform a sanity check that logging doesn't explode.
     std::string events_in_string;
     IPC::ParamTraits<InputEvents>::Log(events_in, &events_in_string);
     std::string events_out_string;
     IPC::ParamTraits<InputEvents>::Log(events_out, &events_out_string);
     ASSERT_FALSE(events_in_string.empty());
     EXPECT_EQ(events_in_string, events_out_string);
   }

   static void Verify(const SyntheticGesturePacket& packet_in) {
     IPC::Message msg;
     IPC::ParamTraits<SyntheticGesturePacket>::Write(&msg, packet_in);

     SyntheticGesturePacket packet_out;
     base::PickleIterator iter(msg);
     EXPECT_TRUE(IPC::ParamTraits<SyntheticGesturePacket>::Read(&msg, &iter,
                                                                &packet_out));

     Compare(&packet_in, &packet_out);

     // Perform a sanity check that logging doesn't explode.
     std::string packet_in_string;
     IPC::ParamTraits<SyntheticGesturePacket>::Log(packet_in, &packet_in_string);
     std::string packet_out_string;
     IPC::ParamTraits<SyntheticGesturePacket>::Log(packet_out,
                                                   &packet_out_string);
     ASSERT_FALSE(packet_in_string.empty());
     EXPECT_EQ(packet_in_string, packet_out_string);
   }
 };

 TEST_F(InputParamTraitsTest, UninitializedEvents) {
   InputEvent event;

   IPC::Message msg;
   IPC::WriteParam(&msg, event);

   InputEvent event_out;
   base::PickleIterator iter(msg);
   EXPECT_FALSE(IPC::ReadParam(&msg, &iter, &event_out));
 }

 TEST_F(InputParamTraitsTest, InitializedEvents) {
   InputEvents events;

   ui::LatencyInfo latency;
   latency.set_trace_id(5);

   blink::WebKeyboardEvent key_event(blink::WebInputEvent::kRawKeyDown,
                                     blink::WebInputEvent::kNoModifiers,
                                     blink::WebInputEvent::kTimeStampForTesting);
   key_event.native_key_code = 5;
   events.push_back(base::MakeUnique<InputEvent>(key_event, latency));

   blink::WebMouseWheelEvent wheel_event(
       blink::WebInputEvent::kMouseWheel, blink::WebInputEvent::kNoModifiers,
       blink::WebInputEvent::kTimeStampForTesting);
   wheel_event.delta_x = 10;
   latency.AddLatencyNumber(ui::INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT, 1, 1);
   events.push_back(base::MakeUnique<InputEvent>(wheel_event, latency));

   blink::WebMouseEvent mouse_event(blink::WebInputEvent::kMouseDown,
                                    blink::WebInputEvent::kNoModifiers,
                                    blink::WebInputEvent::kTimeStampForTesting);
   mouse_event.SetPositionInWidget(10, 0);
   latency.AddLatencyNumber(ui::INPUT_EVENT_LATENCY_UI_COMPONENT, 2, 2);
   events.push_back(base::MakeUnique<InputEvent>(mouse_event, latency));

   blink::WebGestureEvent gesture_event(
       blink::WebInputEvent::kGestureScrollBegin,
       blink::WebInputEvent::kNoModifiers,
       blink::WebInputEvent::kTimeStampForTesting);
   gesture_event.x = -1;
   events.push_back(base::MakeUnique<InputEvent>(gesture_event, latency));

   blink::WebTouchEvent touch_event(blink::WebInputEvent::kTouchStart,
                                    blink::WebInputEvent::kNoModifiers,
                                    blink::WebInputEvent::kTimeStampForTesting);
   touch_event.touches_length = 1;
   touch_event.touches[0].radius_x = 1;
   events.push_back(base::MakeUnique<InputEvent>(touch_event, latency));

   Verify(events);
 }

 TEST_F(InputParamTraitsTest, InvalidSyntheticGestureParams) {
   IPC::Message msg;
   // Write invalid value for SyntheticGestureParams::GestureType.
   WriteParam(&msg, -3);

   SyntheticGesturePacket packet_out;
   base::PickleIterator iter(msg);
   ASSERT_FALSE(
       IPC::ParamTraits<SyntheticGesturePacket>::Read(&msg, &iter, &packet_out));
 }

 TEST_F(InputParamTraitsTest, SyntheticSmoothScrollGestureParams) {
   std::unique_ptr<SyntheticSmoothScrollGestureParams> gesture_params(
       new SyntheticSmoothScrollGestureParams);
   gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
   gesture_params->anchor.SetPoint(234, 345);
   gesture_params->distances.push_back(gfx::Vector2d(123, -789));
   gesture_params->distances.push_back(gfx::Vector2d(-78, 43));
   gesture_params->prevent_fling = false;
   gesture_params->speed_in_pixels_s = 456;
   ASSERT_EQ(SyntheticGestureParams::SMOOTH_SCROLL_GESTURE,
             gesture_params->GetGestureType());
   SyntheticGesturePacket packet_in;
   packet_in.set_gesture_params(std::move(gesture_params));

   Verify(packet_in);
 }

 TEST_F(InputParamTraitsTest, SyntheticPinchGestureParams) {
   std::unique_ptr<SyntheticPinchGestureParams> gesture_params(
       new SyntheticPinchGestureParams);
   gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
   gesture_params->scale_factor = 2.3f;
   gesture_params->anchor.SetPoint(234, 345);
   gesture_params->relative_pointer_speed_in_pixels_s = 456;
   ASSERT_EQ(SyntheticGestureParams::PINCH_GESTURE,
             gesture_params->GetGestureType());
   SyntheticGesturePacket packet_in;
   packet_in.set_gesture_params(std::move(gesture_params));

   Verify(packet_in);
 }

 TEST_F(InputParamTraitsTest, SyntheticTapGestureParams) {
   std::unique_ptr<SyntheticTapGestureParams> gesture_params(
       new SyntheticTapGestureParams);
   gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
   gesture_params->position.SetPoint(798, 233);
   gesture_params->duration_ms = 13;
   ASSERT_EQ(SyntheticGestureParams::TAP_GESTURE,
             gesture_params->GetGestureType());
   SyntheticGesturePacket packet_in;
   packet_in.set_gesture_params(std::move(gesture_params));

   Verify(packet_in);
 }

 TEST_F(InputParamTraitsTest, SyntheticPointerActionListParamsMove) {
   SyntheticPointerActionParams action_params(
       SyntheticPointerActionParams::PointerActionType::MOVE);
   action_params.set_position(gfx::PointF(356, 287));
   action_params.set_index(0);
   std::unique_ptr<SyntheticPointerActionListParams> gesture_params =
       base::MakeUnique<SyntheticPointerActionListParams>();
   gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
   gesture_params->PushPointerActionParams(action_params);

   ASSERT_EQ(SyntheticGestureParams::POINTER_ACTION_LIST,
             gesture_params->GetGestureType());
   SyntheticGesturePacket packet_in;
   packet_in.set_gesture_params(std::move(gesture_params));
   Verify(packet_in);
 }

 TEST_F(InputParamTraitsTest, SyntheticPointerActionListParamsPressRelease) {
   std::unique_ptr<SyntheticPointerActionListParams> gesture_params =
       base::MakeUnique<SyntheticPointerActionListParams>();
   gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
   SyntheticPointerActionParams action_params(
       SyntheticPointerActionParams::PointerActionType::PRESS);
   action_params.set_index(0);
   gesture_params->PushPointerActionParams(action_params);
   action_params.set_pointer_action_type(
       SyntheticPointerActionParams::PointerActionType::RELEASE);
   gesture_params->PushPointerActionParams(action_params);

   ASSERT_EQ(SyntheticGestureParams::POINTER_ACTION_LIST,
             gesture_params->GetGestureType());
   SyntheticGesturePacket packet_in;
   packet_in.set_gesture_params(std::move(gesture_params));
   Verify(packet_in);
 }

 TEST_F(InputParamTraitsTest, SyntheticPointerActionParamsIdle) {
   std::unique_ptr<SyntheticPointerActionListParams> gesture_params =
       base::MakeUnique<SyntheticPointerActionListParams>();
   gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
   SyntheticPointerActionParams action_params(
       SyntheticPointerActionParams::PointerActionType::IDLE);
   action_params.set_index(0);
   gesture_params->PushPointerActionParams(action_params);

   ASSERT_EQ(SyntheticGestureParams::POINTER_ACTION_LIST,
             gesture_params->GetGestureType());
   SyntheticGesturePacket packet_in;
   packet_in.set_gesture_params(std::move(gesture_params));
   Verify(packet_in);
 }

 TEST_F(InputParamTraitsTest, SyntheticPointerActionListParamsTwoPresses) {
   SyntheticPointerActionListParams::ParamList param_list;
   SyntheticPointerActionParams action_params(
       SyntheticPointerActionParams::PointerActionType::PRESS);
   action_params.set_index(0);
   param_list.push_back(action_params);
   action_params.set_index(1);
   param_list.push_back(action_params);
   std::unique_ptr<SyntheticPointerActionListParams> gesture_params =
       base::MakeUnique<SyntheticPointerActionListParams>(param_list);
   gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;

   ASSERT_EQ(SyntheticGestureParams::POINTER_ACTION_LIST,
             gesture_params->GetGestureType());
   SyntheticGesturePacket packet_in;
   packet_in.set_gesture_params(std::move(gesture_params));
   Verify(packet_in);
 }

 }  // namespace
 }  // namespace content
	// Copyright 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 "content/common/input/input_param_traits.h"

	#include <stddef.h>

	#include <memory>
	#include <utility>
	#include <vector>

	#include "base/memory/ptr_util.h"
	#include "content/common/input/input_event.h"
	#include "content/common/input/synthetic_gesture_params.h"
	#include "content/common/input/synthetic_pinch_gesture_params.h"
	#include "content/common/input/synthetic_pointer_action_list_params.h"
	#include "content/common/input/synthetic_pointer_action_params.h"
	#include "content/common/input/synthetic_smooth_drag_gesture_params.h"
	#include "content/common/input/synthetic_smooth_scroll_gesture_params.h"
	#include "content/common/input_messages.h"
	#include "ipc/ipc_message.h"
	#include "testing/gtest/include/gtest/gtest.h"
	#include "third_party/WebKit/public/platform/WebGestureEvent.h"
	#include "third_party/WebKit/public/platform/WebInputEvent.h"
	#include "third_party/WebKit/public/platform/WebKeyboardEvent.h"
	#include "third_party/WebKit/public/platform/WebMouseWheelEvent.h"
	#include "third_party/WebKit/public/platform/WebTouchEvent.h"

	namespace content {
	namespace {

	typedef std::vector<std::unique_ptr<InputEvent>> InputEvents;

	class InputParamTraitsTest : public testing::Test {
	protected:
	static void Compare(const InputEvent* a, const InputEvent* b) {
	EXPECT_EQ(!!a->web_event, !!b->web_event);
	if (a->web_event && b->web_event) {
	const size_t a_size = a->web_event->size();
	ASSERT_EQ(a_size, b->web_event->size());
	EXPECT_EQ(0, memcmp(a->web_event.get(), b->web_event.get(), a_size));
	}
	EXPECT_EQ(a->latency_info.latency_components().size(),
	b->latency_info.latency_components().size());
	}

	static void Compare(const InputEvents* a, const InputEvents* b) {
	for (size_t i = 0; i < a->size(); ++i)
	Compare((a)[i].get(), (b)[i].get());
	}

	static void Compare(const SyntheticSmoothScrollGestureParams* a,
	const SyntheticSmoothScrollGestureParams* b) {
	EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
	EXPECT_EQ(a->anchor, b->anchor);
	EXPECT_EQ(a->distances.size(), b->distances.size());
	for (size_t i = 0; i < a->distances.size(); i++)
	EXPECT_EQ(a->distances[i], b->distances[i]);
	EXPECT_EQ(a->prevent_fling, b->prevent_fling);
	EXPECT_EQ(a->speed_in_pixels_s, b->speed_in_pixels_s);
	}

	static void Compare(const SyntheticSmoothDragGestureParams* a,
	const SyntheticSmoothDragGestureParams* b) {
	EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
	EXPECT_EQ(a->start_point, b->start_point);
	EXPECT_EQ(a->distances.size(), b->distances.size());
	for (size_t i = 0; i < a->distances.size(); i++)
	EXPECT_EQ(a->distances[i], b->distances[i]);
	EXPECT_EQ(a->speed_in_pixels_s, b->speed_in_pixels_s);
	}

	static void Compare(const SyntheticPinchGestureParams* a,
	const SyntheticPinchGestureParams* b) {
	EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
	EXPECT_EQ(a->scale_factor, b->scale_factor);
	EXPECT_EQ(a->anchor, b->anchor);
	EXPECT_EQ(a->relative_pointer_speed_in_pixels_s,
	b->relative_pointer_speed_in_pixels_s);
	}

	static void Compare(const SyntheticTapGestureParams* a,
	const SyntheticTapGestureParams* b) {
	EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
	EXPECT_EQ(a->position, b->position);
	EXPECT_EQ(a->duration_ms, b->duration_ms);
	}

	static void Compare(const SyntheticPointerActionParams* a,
	const SyntheticPointerActionParams* b) {
	EXPECT_EQ(a->pointer_action_type(), b->pointer_action_type());
	if (a->pointer_action_type() ==
	SyntheticPointerActionParams::PointerActionType::PRESS \|\|
	a->pointer_action_type() ==
	SyntheticPointerActionParams::PointerActionType::MOVE) {
	EXPECT_EQ(a->position(), b->position());
	}
	EXPECT_EQ(a->index(), b->index());
	}

	static void Compare(const SyntheticPointerActionListParams* a,
	const SyntheticPointerActionListParams* b) {
	EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
	EXPECT_EQ(a->params.size(), b->params.size());
	for (size_t i = 0; i < a->params.size(); ++i) {
	EXPECT_EQ(a->params[i].size(), b->params[i].size());
	for (size_t j = 0; j < a->params[i].size(); ++j) {
	Compare(&a->params[i][j], &b->params[i][j]);
	}
	}
	}

	static void Compare(const SyntheticGesturePacket* a,
	const SyntheticGesturePacket* b) {
	ASSERT_EQ(!!a, !!b);
	if (!a) return;
	ASSERT_EQ(!!a->gesture_params(), !!b->gesture_params());
	if (!a->gesture_params()) return;
	ASSERT_EQ(a->gesture_params()->GetGestureType(),
	b->gesture_params()->GetGestureType());
	switch (a->gesture_params()->GetGestureType()) {
	case SyntheticGestureParams::SMOOTH_SCROLL_GESTURE:
	Compare(SyntheticSmoothScrollGestureParams::Cast(a->gesture_params()),
	SyntheticSmoothScrollGestureParams::Cast(b->gesture_params()));
	break;
	case SyntheticGestureParams::SMOOTH_DRAG_GESTURE:
	Compare(SyntheticSmoothDragGestureParams::Cast(a->gesture_params()),
	SyntheticSmoothDragGestureParams::Cast(b->gesture_params()));
	break;
	case SyntheticGestureParams::PINCH_GESTURE:
	Compare(SyntheticPinchGestureParams::Cast(a->gesture_params()),
	SyntheticPinchGestureParams::Cast(b->gesture_params()));
	break;
	case SyntheticGestureParams::TAP_GESTURE:
	Compare(SyntheticTapGestureParams::Cast(a->gesture_params()),
	SyntheticTapGestureParams::Cast(b->gesture_params()));
	break;
	case SyntheticGestureParams::POINTER_ACTION_LIST:
	Compare(SyntheticPointerActionListParams::Cast(a->gesture_params()),
	SyntheticPointerActionListParams::Cast(b->gesture_params()));
	break;
	}
	}

	static void Verify(const InputEvents& events_in) {
	IPC::Message msg;
	IPC::ParamTraits<InputEvents>::Write(&msg, events_in);

	InputEvents events_out;
	base::PickleIterator iter(msg);
	EXPECT_TRUE(IPC::ParamTraits<InputEvents>::Read(&msg, &iter, &events_out));

	Compare(&events_in, &events_out);

	// Perform a sanity check that logging doesn't explode.
	std::string events_in_string;
	IPC::ParamTraits<InputEvents>::Log(events_in, &events_in_string);
	std::string events_out_string;
	IPC::ParamTraits<InputEvents>::Log(events_out, &events_out_string);
	ASSERT_FALSE(events_in_string.empty());
	EXPECT_EQ(events_in_string, events_out_string);
	}

	static void Verify(const SyntheticGesturePacket& packet_in) {
	IPC::Message msg;
	IPC::ParamTraits<SyntheticGesturePacket>::Write(&msg, packet_in);

	SyntheticGesturePacket packet_out;
	base::PickleIterator iter(msg);
	EXPECT_TRUE(IPC::ParamTraits<SyntheticGesturePacket>::Read(&msg, &iter,
	&packet_out));

	Compare(&packet_in, &packet_out);

	// Perform a sanity check that logging doesn't explode.
	std::string packet_in_string;
	IPC::ParamTraits<SyntheticGesturePacket>::Log(packet_in, &packet_in_string);
	std::string packet_out_string;
	IPC::ParamTraits<SyntheticGesturePacket>::Log(packet_out,
	&packet_out_string);
	ASSERT_FALSE(packet_in_string.empty());
	EXPECT_EQ(packet_in_string, packet_out_string);
	}
	};

	TEST_F(InputParamTraitsTest, UninitializedEvents) {
	InputEvent event;

	IPC::Message msg;
	IPC::WriteParam(&msg, event);

	InputEvent event_out;
	base::PickleIterator iter(msg);
	EXPECT_FALSE(IPC::ReadParam(&msg, &iter, &event_out));
	}

	TEST_F(InputParamTraitsTest, InitializedEvents) {
	InputEvents events;

	ui::LatencyInfo latency;
	latency.set_trace_id(5);

	blink::WebKeyboardEvent key_event(blink::WebInputEvent::kRawKeyDown,
	blink::WebInputEvent::kNoModifiers,
	blink::WebInputEvent::kTimeStampForTesting);
	key_event.native_key_code = 5;
	events.push_back(base::MakeUnique<InputEvent>(key_event, latency));

	blink::WebMouseWheelEvent wheel_event(
	blink::WebInputEvent::kMouseWheel, blink::WebInputEvent::kNoModifiers,
	blink::WebInputEvent::kTimeStampForTesting);
	wheel_event.delta_x = 10;
	latency.AddLatencyNumber(ui::INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT, 1, 1);
	events.push_back(base::MakeUnique<InputEvent>(wheel_event, latency));

	blink::WebMouseEvent mouse_event(blink::WebInputEvent::kMouseDown,
	blink::WebInputEvent::kNoModifiers,
	blink::WebInputEvent::kTimeStampForTesting);
	mouse_event.SetPositionInWidget(10, 0);
	latency.AddLatencyNumber(ui::INPUT_EVENT_LATENCY_UI_COMPONENT, 2, 2);
	events.push_back(base::MakeUnique<InputEvent>(mouse_event, latency));

	blink::WebGestureEvent gesture_event(
	blink::WebInputEvent::kGestureScrollBegin,
	blink::WebInputEvent::kNoModifiers,
	blink::WebInputEvent::kTimeStampForTesting);
	gesture_event.x = -1;
	events.push_back(base::MakeUnique<InputEvent>(gesture_event, latency));

	blink::WebTouchEvent touch_event(blink::WebInputEvent::kTouchStart,
	blink::WebInputEvent::kNoModifiers,
	blink::WebInputEvent::kTimeStampForTesting);
	touch_event.touches_length = 1;
	touch_event.touches[0].radius_x = 1;
	events.push_back(base::MakeUnique<InputEvent>(touch_event, latency));

	Verify(events);
	}

	TEST_F(InputParamTraitsTest, InvalidSyntheticGestureParams) {
	IPC::Message msg;
	// Write invalid value for SyntheticGestureParams::GestureType.
	WriteParam(&msg, -3);

	SyntheticGesturePacket packet_out;
	base::PickleIterator iter(msg);
	ASSERT_FALSE(
	IPC::ParamTraits<SyntheticGesturePacket>::Read(&msg, &iter, &packet_out));
	}

	TEST_F(InputParamTraitsTest, SyntheticSmoothScrollGestureParams) {
	std::unique_ptr<SyntheticSmoothScrollGestureParams> gesture_params(
	new SyntheticSmoothScrollGestureParams);
	gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
	gesture_params->anchor.SetPoint(234, 345);
	gesture_params->distances.push_back(gfx::Vector2d(123, -789));
	gesture_params->distances.push_back(gfx::Vector2d(-78, 43));
	gesture_params->prevent_fling = false;
	gesture_params->speed_in_pixels_s = 456;
	ASSERT_EQ(SyntheticGestureParams::SMOOTH_SCROLL_GESTURE,
	gesture_params->GetGestureType());
	SyntheticGesturePacket packet_in;
	packet_in.set_gesture_params(std::move(gesture_params));

	Verify(packet_in);
	}

	TEST_F(InputParamTraitsTest, SyntheticPinchGestureParams) {
	std::unique_ptr<SyntheticPinchGestureParams> gesture_params(
	new SyntheticPinchGestureParams);
	gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
	gesture_params->scale_factor = 2.3f;
	gesture_params->anchor.SetPoint(234, 345);
	gesture_params->relative_pointer_speed_in_pixels_s = 456;
	ASSERT_EQ(SyntheticGestureParams::PINCH_GESTURE,
	gesture_params->GetGestureType());
	SyntheticGesturePacket packet_in;
	packet_in.set_gesture_params(std::move(gesture_params));

	Verify(packet_in);
	}

	TEST_F(InputParamTraitsTest, SyntheticTapGestureParams) {
	std::unique_ptr<SyntheticTapGestureParams> gesture_params(
	new SyntheticTapGestureParams);
	gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
	gesture_params->position.SetPoint(798, 233);
	gesture_params->duration_ms = 13;
	ASSERT_EQ(SyntheticGestureParams::TAP_GESTURE,
	gesture_params->GetGestureType());
	SyntheticGesturePacket packet_in;
	packet_in.set_gesture_params(std::move(gesture_params));

	Verify(packet_in);
	}

	TEST_F(InputParamTraitsTest, SyntheticPointerActionListParamsMove) {
	SyntheticPointerActionParams action_params(
	SyntheticPointerActionParams::PointerActionType::MOVE);
	action_params.set_position(gfx::PointF(356, 287));
	action_params.set_index(0);
	std::unique_ptr<SyntheticPointerActionListParams> gesture_params =
	base::MakeUnique<SyntheticPointerActionListParams>();
	gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
	gesture_params->PushPointerActionParams(action_params);

	ASSERT_EQ(SyntheticGestureParams::POINTER_ACTION_LIST,
	gesture_params->GetGestureType());
	SyntheticGesturePacket packet_in;
	packet_in.set_gesture_params(std::move(gesture_params));
	Verify(packet_in);
	}

	TEST_F(InputParamTraitsTest, SyntheticPointerActionListParamsPressRelease) {
	std::unique_ptr<SyntheticPointerActionListParams> gesture_params =
	base::MakeUnique<SyntheticPointerActionListParams>();
	gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
	SyntheticPointerActionParams action_params(
	SyntheticPointerActionParams::PointerActionType::PRESS);
	action_params.set_index(0);
	gesture_params->PushPointerActionParams(action_params);
	action_params.set_pointer_action_type(
	SyntheticPointerActionParams::PointerActionType::RELEASE);
	gesture_params->PushPointerActionParams(action_params);

	ASSERT_EQ(SyntheticGestureParams::POINTER_ACTION_LIST,
	gesture_params->GetGestureType());
	SyntheticGesturePacket packet_in;
	packet_in.set_gesture_params(std::move(gesture_params));
	Verify(packet_in);
	}

	TEST_F(InputParamTraitsTest, SyntheticPointerActionParamsIdle) {
	std::unique_ptr<SyntheticPointerActionListParams> gesture_params =
	base::MakeUnique<SyntheticPointerActionListParams>();
	gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
	SyntheticPointerActionParams action_params(
	SyntheticPointerActionParams::PointerActionType::IDLE);
	action_params.set_index(0);
	gesture_params->PushPointerActionParams(action_params);

	ASSERT_EQ(SyntheticGestureParams::POINTER_ACTION_LIST,
	gesture_params->GetGestureType());
	SyntheticGesturePacket packet_in;
	packet_in.set_gesture_params(std::move(gesture_params));
	Verify(packet_in);
	}

	TEST_F(InputParamTraitsTest, SyntheticPointerActionListParamsTwoPresses) {
	SyntheticPointerActionListParams::ParamList param_list;
	SyntheticPointerActionParams action_params(
	SyntheticPointerActionParams::PointerActionType::PRESS);
	action_params.set_index(0);
	param_list.push_back(action_params);
	action_params.set_index(1);
	param_list.push_back(action_params);
	std::unique_ptr<SyntheticPointerActionListParams> gesture_params =
	base::MakeUnique<SyntheticPointerActionListParams>(param_list);
	gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;

	ASSERT_EQ(SyntheticGestureParams::POINTER_ACTION_LIST,
	gesture_params->GetGestureType());
	SyntheticGesturePacket packet_in;
	packet_in.set_gesture_params(std::move(gesture_params));
	Verify(packet_in);
	}

	} // namespace
	} // namespace content