content/common/input/input_param_traits_unittest.cc

   1 // Copyright 2013 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 "content/common/input/input_param_traits.h"
   6
   7 #include "content/common/input/input_event.h"
   8 #include "content/common/input/synthetic_gesture_params.h"
   9 #include "content/common/input/synthetic_pinch_gesture_params.h"
  10 #include "content/common/input/synthetic_smooth_scroll_gesture_params.h"
  11 #include "content/common/input_messages.h"
  12 #include "ipc/ipc_message.h"
  13 #include "testing/gtest/include/gtest/gtest.h"
  14 #include "third_party/WebKit/public/web/WebInputEvent.h"
  15
  16 namespace content {
  17 namespace {
  18
  19 typedef ScopedVector<InputEvent> InputEvents;
  20
  21 class InputParamTraitsTest : public testing::Test {
  22  protected:
  23   static void Compare(const InputEvent* a, const InputEvent* b) {
  24     EXPECT_EQ(!!a->web_event, !!b->web_event);
  25     if (a->web_event && b->web_event) {
  26       const size_t a_size = a->web_event->size;
  27       ASSERT_EQ(a_size, b->web_event->size);
  28       EXPECT_EQ(0, memcmp(a->web_event.get(), b->web_event.get(), a_size));
  29     }
  30     EXPECT_EQ(a->latency_info.latency_components.size(),
  31               b->latency_info.latency_components.size());
  32     EXPECT_EQ(a->is_keyboard_shortcut, b->is_keyboard_shortcut);
  33   }
  34
  35   static void Compare(const InputEvents* a, const InputEvents* b) {
  36     for (size_t i = 0; i < a->size(); ++i)
  37       Compare((*a)[i], (*b)[i]);
  38   }
  39
  40   static void Compare(const SyntheticSmoothScrollGestureParams* a,
  41                       const SyntheticSmoothScrollGestureParams* b) {
  42     EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
  43     EXPECT_EQ(a->anchor, b->anchor);
  44     EXPECT_EQ(a->distances.size(), b->distances.size());
  45     for (size_t i = 0; i < a->distances.size(); i++)
  46         EXPECT_EQ(a->distances[i], b->distances[i]);
  47     EXPECT_EQ(a->prevent_fling, b->prevent_fling);
  48     EXPECT_EQ(a->speed_in_pixels_s, b->speed_in_pixels_s);
  49   }
  50
  51   static void Compare(const SyntheticPinchGestureParams* a,
  52                       const SyntheticPinchGestureParams* b) {
  53     EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
  54     EXPECT_EQ(a->scale_factor, b->scale_factor);
  55     EXPECT_EQ(a->anchor, b->anchor);
  56     EXPECT_EQ(a->relative_pointer_speed_in_pixels_s,
  57               b->relative_pointer_speed_in_pixels_s);
  58   }
  59
  60   static void Compare(const SyntheticTapGestureParams* a,
  61                       const SyntheticTapGestureParams* b) {
  62     EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
  63     EXPECT_EQ(a->position, b->position);
  64     EXPECT_EQ(a->duration_ms, b->duration_ms);
  65   }
  66
  67   static void Compare(const SyntheticGesturePacket* a,
  68                       const SyntheticGesturePacket* b) {
  69     ASSERT_EQ(!!a, !!b);
  70     if (!a) return;
  71     ASSERT_EQ(!!a->gesture_params(), !!b->gesture_params());
  72     if (!a->gesture_params()) return;
  73     ASSERT_EQ(a->gesture_params()->GetGestureType(),
  74               b->gesture_params()->GetGestureType());
  75     switch (a->gesture_params()->GetGestureType()) {
  76       case SyntheticGestureParams::SMOOTH_SCROLL_GESTURE:
  77         Compare(SyntheticSmoothScrollGestureParams::Cast(a->gesture_params()),
  78                 SyntheticSmoothScrollGestureParams::Cast(b->gesture_params()));
  79         break;
  80       case SyntheticGestureParams::PINCH_GESTURE:
  81         Compare(SyntheticPinchGestureParams::Cast(a->gesture_params()),
  82                 SyntheticPinchGestureParams::Cast(b->gesture_params()));
  83         break;
  84       case SyntheticGestureParams::TAP_GESTURE:
  85         Compare(SyntheticTapGestureParams::Cast(a->gesture_params()),
  86                 SyntheticTapGestureParams::Cast(b->gesture_params()));
  87         break;
  88     }
  89   }
  90
  91   static void Verify(const InputEvents& events_in) {
  92     IPC::Message msg;
  93     IPC::ParamTraits<InputEvents>::Write(&msg, events_in);
  94
  95     InputEvents events_out;
  96     PickleIterator iter(msg);
  97     EXPECT_TRUE(IPC::ParamTraits<InputEvents>::Read(&msg, &iter, &events_out));
  98
  99     Compare(&events_in, &events_out);
 100
 101     // Perform a sanity check that logging doesn't explode.
 102     std::string events_in_string;
 103     IPC::ParamTraits<InputEvents>::Log(events_in, &events_in_string);
 104     std::string events_out_string;
 105     IPC::ParamTraits<InputEvents>::Log(events_out, &events_out_string);
 106     ASSERT_FALSE(events_in_string.empty());
 107     EXPECT_EQ(events_in_string, events_out_string);
 108   }
 109
 110   static void Verify(const SyntheticGesturePacket& packet_in) {
 111     IPC::Message msg;
 112     IPC::ParamTraits<SyntheticGesturePacket>::Write(&msg, packet_in);
 113
 114     SyntheticGesturePacket packet_out;
 115     PickleIterator iter(msg);
 116     EXPECT_TRUE(IPC::ParamTraits<SyntheticGesturePacket>::Read(&msg, &iter,
 117                                                                &packet_out));
 118
 119     Compare(&packet_in, &packet_out);
 120
 121     // Perform a sanity check that logging doesn't explode.
 122     std::string packet_in_string;
 123     IPC::ParamTraits<SyntheticGesturePacket>::Log(packet_in, &packet_in_string);
 124     std::string packet_out_string;
 125     IPC::ParamTraits<SyntheticGesturePacket>::Log(packet_out,
 126                                                   &packet_out_string);
 127     ASSERT_FALSE(packet_in_string.empty());
 128     EXPECT_EQ(packet_in_string, packet_out_string);
 129   }
 130 };
 131
 132 TEST_F(InputParamTraitsTest, UninitializedEvents) {
 133   InputEvent event;
 134
 135   IPC::Message msg;
 136   IPC::WriteParam(&msg, event);
 137
 138   InputEvent event_out;
 139   PickleIterator iter(msg);
 140   EXPECT_FALSE(IPC::ReadParam(&msg, &iter, &event_out));
 141 }
 142
 143 TEST_F(InputParamTraitsTest, InitializedEvents) {
 144   InputEvents events;
 145
 146   ui::LatencyInfo latency;
 147
 148   blink::WebKeyboardEvent key_event;
 149   key_event.type = blink::WebInputEvent::RawKeyDown;
 150   key_event.nativeKeyCode = 5;
 151   events.push_back(new InputEvent(key_event, latency, false));
 152
 153   blink::WebMouseWheelEvent wheel_event;
 154   wheel_event.type = blink::WebInputEvent::MouseWheel;
 155   wheel_event.deltaX = 10;
 156   latency.AddLatencyNumber(ui::INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT, 1, 1);
 157   events.push_back(new InputEvent(wheel_event, latency, false));
 158
 159   blink::WebMouseEvent mouse_event;
 160   mouse_event.type = blink::WebInputEvent::MouseDown;
 161   mouse_event.x = 10;
 162   latency.AddLatencyNumber(ui::INPUT_EVENT_LATENCY_UI_COMPONENT, 2, 2);
 163   events.push_back(new InputEvent(mouse_event, latency, false));
 164
 165   blink::WebGestureEvent gesture_event;
 166   gesture_event.type = blink::WebInputEvent::GestureScrollBegin;
 167   gesture_event.x = -1;
 168   events.push_back(new InputEvent(gesture_event, latency, false));
 169
 170   blink::WebTouchEvent touch_event;
 171   touch_event.type = blink::WebInputEvent::TouchStart;
 172   touch_event.touchesLength = 1;
 173   touch_event.touches[0].radiusX = 1;
 174   events.push_back(new InputEvent(touch_event, latency, false));
 175
 176   Verify(events);
 177 }
 178
 179 TEST_F(InputParamTraitsTest, InvalidSyntheticGestureParams) {
 180   IPC::Message msg;
 181   // Write invalid value for SyntheticGestureParams::GestureType.
 182   WriteParam(&msg, -3);
 183
 184   SyntheticGesturePacket packet_out;
 185   PickleIterator iter(msg);
 186   ASSERT_FALSE(
 187       IPC::ParamTraits<SyntheticGesturePacket>::Read(&msg, &iter, &packet_out));
 188 }
 189
 190 TEST_F(InputParamTraitsTest, SyntheticSmoothScrollGestureParams) {
 191   scoped_ptr<SyntheticSmoothScrollGestureParams> gesture_params(
 192       new SyntheticSmoothScrollGestureParams);
 193   gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
 194   gesture_params->anchor.SetPoint(234, 345);
 195   gesture_params->distances.push_back(gfx::Vector2d(123, -789));
 196   gesture_params->distances.push_back(gfx::Vector2d(-78, 43));
 197   gesture_params->prevent_fling = false;
 198   gesture_params->speed_in_pixels_s = 456;
 199   ASSERT_EQ(SyntheticGestureParams::SMOOTH_SCROLL_GESTURE,
 200             gesture_params->GetGestureType());
 201   SyntheticGesturePacket packet_in;
 202   packet_in.set_gesture_params(gesture_params.PassAs<SyntheticGestureParams>());
 203
 204   Verify(packet_in);
 205 }
 206
 207 TEST_F(InputParamTraitsTest, SyntheticPinchGestureParams) {
 208   scoped_ptr<SyntheticPinchGestureParams> gesture_params(
 209       new SyntheticPinchGestureParams);
 210   gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
 211   gesture_params->scale_factor = 2.3f;
 212   gesture_params->anchor.SetPoint(234, 345);
 213   gesture_params->relative_pointer_speed_in_pixels_s = 456;
 214   ASSERT_EQ(SyntheticGestureParams::PINCH_GESTURE,
 215             gesture_params->GetGestureType());
 216   SyntheticGesturePacket packet_in;
 217   packet_in.set_gesture_params(gesture_params.PassAs<SyntheticGestureParams>());
 218
 219   Verify(packet_in);
 220 }
 221
 222 TEST_F(InputParamTraitsTest, SyntheticTapGestureParams) {
 223   scoped_ptr<SyntheticTapGestureParams> gesture_params(
 224       new SyntheticTapGestureParams);
 225   gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
 226   gesture_params->position.SetPoint(798, 233);
 227   gesture_params->duration_ms = 13;
 228   ASSERT_EQ(SyntheticGestureParams::TAP_GESTURE,
 229             gesture_params->GetGestureType());
 230   SyntheticGesturePacket packet_in;
 231   packet_in.set_gesture_params(gesture_params.PassAs<SyntheticGestureParams>());
 232
 233   Verify(packet_in);
 234 }
 235
 236 }  // namespace
 237 }  // namespace content