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_drag_gesture_params.h"
  11 #include "content/common/input/synthetic_smooth_scroll_gesture_params.h"
  12 #include "content/common/input_messages.h"
  13 #include "ipc/ipc_message.h"
  14 #include "testing/gtest/include/gtest/gtest.h"
  15 #include "third_party/WebKit/public/web/WebInputEvent.h"
  16
  17 namespace content {
  18 namespace {
  19
  20 typedef ScopedVector<InputEvent> InputEvents;
  21
  22 class InputParamTraitsTest : public testing::Test {
  23  protected:
  24   static void Compare(const InputEvent* a, const InputEvent* b) {
  25     EXPECT_EQ(!!a->web_event, !!b->web_event);
  26     if (a->web_event && b->web_event) {
  27       const size_t a_size = a->web_event->size;
  28       ASSERT_EQ(a_size, b->web_event->size);
  29       EXPECT_EQ(0, memcmp(a->web_event.get(), b->web_event.get(), a_size));
  30     }
  31     EXPECT_EQ(a->latency_info.latency_components.size(),
  32               b->latency_info.latency_components.size());
  33     EXPECT_EQ(a->is_keyboard_shortcut, b->is_keyboard_shortcut);
  34   }
  35
  36   static void Compare(const InputEvents* a, const InputEvents* b) {
  37     for (size_t i = 0; i < a->size(); ++i)
  38       Compare((*a)[i], (*b)[i]);
  39   }
  40
  41   static void Compare(const SyntheticSmoothScrollGestureParams* a,
  42                       const SyntheticSmoothScrollGestureParams* b) {
  43     EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
  44     EXPECT_EQ(a->anchor, b->anchor);
  45     EXPECT_EQ(a->distances.size(), b->distances.size());
  46     for (size_t i = 0; i < a->distances.size(); i++)
  47       EXPECT_EQ(a->distances[i], b->distances[i]);
  48     EXPECT_EQ(a->prevent_fling, b->prevent_fling);
  49     EXPECT_EQ(a->speed_in_pixels_s, b->speed_in_pixels_s);
  50   }
  51
  52   static void Compare(const SyntheticSmoothDragGestureParams* a,
  53                       const SyntheticSmoothDragGestureParams* b) {
  54     EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
  55     EXPECT_EQ(a->start_point, b->start_point);
  56     EXPECT_EQ(a->distances.size(), b->distances.size());
  57     for (size_t i = 0; i < a->distances.size(); i++)
  58       EXPECT_EQ(a->distances[i], b->distances[i]);
  59     EXPECT_EQ(a->speed_in_pixels_s, b->speed_in_pixels_s);
  60   }
  61
  62   static void Compare(const SyntheticPinchGestureParams* a,
  63                       const SyntheticPinchGestureParams* b) {
  64     EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
  65     EXPECT_EQ(a->scale_factor, b->scale_factor);
  66     EXPECT_EQ(a->anchor, b->anchor);
  67     EXPECT_EQ(a->relative_pointer_speed_in_pixels_s,
  68               b->relative_pointer_speed_in_pixels_s);
  69   }
  70
  71   static void Compare(const SyntheticTapGestureParams* a,
  72                       const SyntheticTapGestureParams* b) {
  73     EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
  74     EXPECT_EQ(a->position, b->position);
  75     EXPECT_EQ(a->duration_ms, b->duration_ms);
  76   }
  77
  78   static void Compare(const SyntheticGesturePacket* a,
  79                       const SyntheticGesturePacket* b) {
  80     ASSERT_EQ(!!a, !!b);
  81     if (!a) return;
  82     ASSERT_EQ(!!a->gesture_params(), !!b->gesture_params());
  83     if (!a->gesture_params()) return;
  84     ASSERT_EQ(a->gesture_params()->GetGestureType(),
  85               b->gesture_params()->GetGestureType());
  86     switch (a->gesture_params()->GetGestureType()) {
  87       case SyntheticGestureParams::SMOOTH_SCROLL_GESTURE:
  88         Compare(SyntheticSmoothScrollGestureParams::Cast(a->gesture_params()),
  89                 SyntheticSmoothScrollGestureParams::Cast(b->gesture_params()));
  90         break;
  91       case SyntheticGestureParams::SMOOTH_DRAG_GESTURE:
  92         Compare(SyntheticSmoothDragGestureParams::Cast(a->gesture_params()),
  93                 SyntheticSmoothDragGestureParams::Cast(b->gesture_params()));
  94         break;
  95       case SyntheticGestureParams::PINCH_GESTURE:
  96         Compare(SyntheticPinchGestureParams::Cast(a->gesture_params()),
  97                 SyntheticPinchGestureParams::Cast(b->gesture_params()));
  98         break;
  99       case SyntheticGestureParams::TAP_GESTURE:
 100         Compare(SyntheticTapGestureParams::Cast(a->gesture_params()),
 101                 SyntheticTapGestureParams::Cast(b->gesture_params()));
 102         break;
 103     }
 104   }
 105
 106   static void Verify(const InputEvents& events_in) {
 107     IPC::Message msg;
 108     IPC::ParamTraits<InputEvents>::Write(&msg, events_in);
 109
 110     InputEvents events_out;
 111     base::PickleIterator iter(msg);
 112     EXPECT_TRUE(IPC::ParamTraits<InputEvents>::Read(&msg, &iter, &events_out));
 113
 114     Compare(&events_in, &events_out);
 115
 116     // Perform a sanity check that logging doesn't explode.
 117     std::string events_in_string;
 118     IPC::ParamTraits<InputEvents>::Log(events_in, &events_in_string);
 119     std::string events_out_string;
 120     IPC::ParamTraits<InputEvents>::Log(events_out, &events_out_string);
 121     ASSERT_FALSE(events_in_string.empty());
 122     EXPECT_EQ(events_in_string, events_out_string);
 123   }
 124
 125   static void Verify(const SyntheticGesturePacket& packet_in) {
 126     IPC::Message msg;
 127     IPC::ParamTraits<SyntheticGesturePacket>::Write(&msg, packet_in);
 128
 129     SyntheticGesturePacket packet_out;
 130     base::PickleIterator iter(msg);
 131     EXPECT_TRUE(IPC::ParamTraits<SyntheticGesturePacket>::Read(&msg, &iter,
 132                                                                &packet_out));
 133
 134     Compare(&packet_in, &packet_out);
 135
 136     // Perform a sanity check that logging doesn't explode.
 137     std::string packet_in_string;
 138     IPC::ParamTraits<SyntheticGesturePacket>::Log(packet_in, &packet_in_string);
 139     std::string packet_out_string;
 140     IPC::ParamTraits<SyntheticGesturePacket>::Log(packet_out,
 141                                                   &packet_out_string);
 142     ASSERT_FALSE(packet_in_string.empty());
 143     EXPECT_EQ(packet_in_string, packet_out_string);
 144   }
 145 };
 146
 147 TEST_F(InputParamTraitsTest, UninitializedEvents) {
 148   InputEvent event;
 149
 150   IPC::Message msg;
 151   IPC::WriteParam(&msg, event);
 152
 153   InputEvent event_out;
 154   base::PickleIterator iter(msg);
 155   EXPECT_FALSE(IPC::ReadParam(&msg, &iter, &event_out));
 156 }
 157
 158 TEST_F(InputParamTraitsTest, InitializedEvents) {
 159   InputEvents events;
 160
 161   ui::LatencyInfo latency;
 162
 163   blink::WebKeyboardEvent key_event;
 164   key_event.type = blink::WebInputEvent::RawKeyDown;
 165   key_event.nativeKeyCode = 5;
 166   events.push_back(new InputEvent(key_event, latency, false));
 167
 168   blink::WebMouseWheelEvent wheel_event;
 169   wheel_event.type = blink::WebInputEvent::MouseWheel;
 170   wheel_event.deltaX = 10;
 171   latency.AddLatencyNumber(ui::INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT, 1, 1);
 172   events.push_back(new InputEvent(wheel_event, latency, false));
 173
 174   blink::WebMouseEvent mouse_event;
 175   mouse_event.type = blink::WebInputEvent::MouseDown;
 176   mouse_event.x = 10;
 177   latency.AddLatencyNumber(ui::INPUT_EVENT_LATENCY_UI_COMPONENT, 2, 2);
 178   events.push_back(new InputEvent(mouse_event, latency, false));
 179
 180   blink::WebGestureEvent gesture_event;
 181   gesture_event.type = blink::WebInputEvent::GestureScrollBegin;
 182   gesture_event.x = -1;
 183   events.push_back(new InputEvent(gesture_event, latency, false));
 184
 185   blink::WebTouchEvent touch_event;
 186   touch_event.type = blink::WebInputEvent::TouchStart;
 187   touch_event.touchesLength = 1;
 188   touch_event.touches[0].radiusX = 1;
 189   events.push_back(new InputEvent(touch_event, latency, false));
 190
 191   Verify(events);
 192 }
 193
 194 TEST_F(InputParamTraitsTest, InvalidSyntheticGestureParams) {
 195   IPC::Message msg;
 196   // Write invalid value for SyntheticGestureParams::GestureType.
 197   WriteParam(&msg, -3);
 198
 199   SyntheticGesturePacket packet_out;
 200   base::PickleIterator iter(msg);
 201   ASSERT_FALSE(
 202       IPC::ParamTraits<SyntheticGesturePacket>::Read(&msg, &iter, &packet_out));
 203 }
 204
 205 TEST_F(InputParamTraitsTest, SyntheticSmoothScrollGestureParams) {
 206   scoped_ptr<SyntheticSmoothScrollGestureParams> gesture_params(
 207       new SyntheticSmoothScrollGestureParams);
 208   gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
 209   gesture_params->anchor.SetPoint(234, 345);
 210   gesture_params->distances.push_back(gfx::Vector2d(123, -789));
 211   gesture_params->distances.push_back(gfx::Vector2d(-78, 43));
 212   gesture_params->prevent_fling = false;
 213   gesture_params->speed_in_pixels_s = 456;
 214   ASSERT_EQ(SyntheticGestureParams::SMOOTH_SCROLL_GESTURE,
 215             gesture_params->GetGestureType());
 216   SyntheticGesturePacket packet_in;
 217   packet_in.set_gesture_params(gesture_params.Pass());
 218
 219   Verify(packet_in);
 220 }
 221
 222 TEST_F(InputParamTraitsTest, SyntheticPinchGestureParams) {
 223   scoped_ptr<SyntheticPinchGestureParams> gesture_params(
 224       new SyntheticPinchGestureParams);
 225   gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
 226   gesture_params->scale_factor = 2.3f;
 227   gesture_params->anchor.SetPoint(234, 345);
 228   gesture_params->relative_pointer_speed_in_pixels_s = 456;
 229   ASSERT_EQ(SyntheticGestureParams::PINCH_GESTURE,
 230             gesture_params->GetGestureType());
 231   SyntheticGesturePacket packet_in;
 232   packet_in.set_gesture_params(gesture_params.Pass());
 233
 234   Verify(packet_in);
 235 }
 236
 237 TEST_F(InputParamTraitsTest, SyntheticTapGestureParams) {
 238   scoped_ptr<SyntheticTapGestureParams> gesture_params(
 239       new SyntheticTapGestureParams);
 240   gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
 241   gesture_params->position.SetPoint(798, 233);
 242   gesture_params->duration_ms = 13;
 243   ASSERT_EQ(SyntheticGestureParams::TAP_GESTURE,
 244             gesture_params->GetGestureType());
 245   SyntheticGesturePacket packet_in;
 246   packet_in.set_gesture_params(gesture_params.Pass());
 247
 248   Verify(packet_in);
 249 }
 250
 251 }  // namespace
 252 }  // namespace content