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_messages.h"
   9 #include "ipc/ipc_message.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11 #include "third_party/WebKit/public/web/WebInputEvent.h"
  12
  13 namespace content {
  14 namespace {
  15
  16 typedef ScopedVector<InputEvent> InputEvents;
  17
  18 class InputParamTraitsTest : public testing::Test {
  19  protected:
  20   static void Compare(const InputEvent* a, const InputEvent* b) {
  21     EXPECT_EQ(!!a->web_event, !!b->web_event);
  22     if (a->web_event && b->web_event) {
  23       const size_t a_size = a->web_event->size;
  24       ASSERT_EQ(a_size, b->web_event->size);
  25       EXPECT_EQ(0, memcmp(a->web_event.get(), b->web_event.get(), a_size));
  26     }
  27     EXPECT_EQ(a->latency_info.latency_components.size(),
  28               b->latency_info.latency_components.size());
  29     EXPECT_EQ(a->is_keyboard_shortcut, b->is_keyboard_shortcut);
  30   }
  31
  32   static void Compare(const InputEvents* a, const InputEvents* b) {
  33     for (size_t i = 0; i < a->size(); ++i)
  34       Compare((*a)[i], (*b)[i]);
  35   }
  36
  37   static void Compare(const SyntheticSmoothScrollGestureParams* a,
  38                       const SyntheticSmoothScrollGestureParams* b) {
  39     EXPECT_EQ(a->gesture_source_type, b->gesture_source_type);
  40     EXPECT_EQ(a->distance, b->distance);
  41     EXPECT_EQ(a->anchor_x, b->anchor_x);
  42     EXPECT_EQ(a->anchor_y, b->anchor_y);
  43   }
  44
  45   static void Compare(const SyntheticGesturePacket* a,
  46                       const SyntheticGesturePacket* b) {
  47     ASSERT_EQ(!!a, !!b);
  48     if (!a) return;
  49     ASSERT_EQ(!!a->gesture_params(), !!b->gesture_params());
  50     if (!a->gesture_params()) return;
  51     ASSERT_EQ(a->gesture_params()->GetGestureType(),
  52               b->gesture_params()->GetGestureType());
  53     switch (a->gesture_params()->GetGestureType()) {
  54       case SyntheticGestureParams::SMOOTH_SCROLL_GESTURE:
  55         Compare(SyntheticSmoothScrollGestureParams::Cast(a->gesture_params()),
  56                 SyntheticSmoothScrollGestureParams::Cast(b->gesture_params()));
  57         break;
  58     }
  59   }
  60
  61   static void Verify(const InputEvents& events_in) {
  62     IPC::Message msg;
  63     IPC::ParamTraits<InputEvents>::Write(&msg, events_in);
  64
  65     InputEvents events_out;
  66     PickleIterator iter(msg);
  67     EXPECT_TRUE(IPC::ParamTraits<InputEvents>::Read(&msg, &iter, &events_out));
  68
  69     Compare(&events_in, &events_out);
  70
  71     // Perform a sanity check that logging doesn't explode.
  72     std::string events_in_string;
  73     IPC::ParamTraits<InputEvents>::Log(events_in, &events_in_string);
  74     std::string events_out_string;
  75     IPC::ParamTraits<InputEvents>::Log(events_out, &events_out_string);
  76     ASSERT_FALSE(events_in_string.empty());
  77     EXPECT_EQ(events_in_string, events_out_string);
  78   }
  79
  80   static void Verify(const SyntheticGesturePacket& packet_in) {
  81     IPC::Message msg;
  82     IPC::ParamTraits<SyntheticGesturePacket>::Write(&msg, packet_in);
  83
  84     SyntheticGesturePacket packet_out;
  85     PickleIterator iter(msg);
  86     EXPECT_TRUE(IPC::ParamTraits<SyntheticGesturePacket>::Read(&msg, &iter,
  87                                                                &packet_out));
  88
  89     Compare(&packet_in, &packet_out);
  90
  91     // Perform a sanity check that logging doesn't explode.
  92     std::string packet_in_string;
  93     IPC::ParamTraits<SyntheticGesturePacket>::Log(packet_in, &packet_in_string);
  94     std::string packet_out_string;
  95     IPC::ParamTraits<SyntheticGesturePacket>::Log(packet_out,
  96                                                   &packet_out_string);
  97     ASSERT_FALSE(packet_in_string.empty());
  98     EXPECT_EQ(packet_in_string, packet_out_string);
  99   }
 100 };
 101
 102 TEST_F(InputParamTraitsTest, UninitializedEvents) {
 103   InputEvent event;
 104
 105   IPC::Message msg;
 106   IPC::WriteParam(&msg, event);
 107
 108   InputEvent event_out;
 109   PickleIterator iter(msg);
 110   EXPECT_FALSE(IPC::ReadParam(&msg, &iter, &event_out));
 111 }
 112
 113 TEST_F(InputParamTraitsTest, InitializedEvents) {
 114   InputEvents events;
 115
 116   ui::LatencyInfo latency;
 117
 118   blink::WebKeyboardEvent key_event;
 119   key_event.type = blink::WebInputEvent::RawKeyDown;
 120   key_event.nativeKeyCode = 5;
 121   events.push_back(new InputEvent(key_event, latency, false));
 122
 123   blink::WebMouseWheelEvent wheel_event;
 124   wheel_event.type = blink::WebInputEvent::MouseWheel;
 125   wheel_event.deltaX = 10;
 126   latency.AddLatencyNumber(ui::INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT, 1, 1);
 127   events.push_back(new InputEvent(wheel_event, latency, false));
 128
 129   blink::WebMouseEvent mouse_event;
 130   mouse_event.type = blink::WebInputEvent::MouseDown;
 131   mouse_event.x = 10;
 132   latency.AddLatencyNumber(ui::INPUT_EVENT_LATENCY_UI_COMPONENT, 2, 2);
 133   events.push_back(new InputEvent(mouse_event, latency, false));
 134
 135   blink::WebGestureEvent gesture_event;
 136   gesture_event.type = blink::WebInputEvent::GestureScrollBegin;
 137   gesture_event.x = -1;
 138   events.push_back(new InputEvent(gesture_event, latency, false));
 139
 140   blink::WebTouchEvent touch_event;
 141   touch_event.type = blink::WebInputEvent::TouchStart;
 142   touch_event.touchesLength = 1;
 143   touch_event.touches[0].radiusX = 1;
 144   events.push_back(new InputEvent(touch_event, latency, false));
 145
 146   Verify(events);
 147 }
 148
 149 TEST_F(InputParamTraitsTest, InvalidSyntheticGestureParams) {
 150   IPC::Message msg;
 151   // Write invalid value for SyntheticGestureParams::GestureType.
 152   WriteParam(&msg, -3);
 153
 154   SyntheticGesturePacket packet_out;
 155   PickleIterator iter(msg);
 156   ASSERT_FALSE(
 157       IPC::ParamTraits<SyntheticGesturePacket>::Read(&msg, &iter, &packet_out));
 158 }
 159
 160 TEST_F(InputParamTraitsTest, SyntheticSmoothScrollGestureParams) {
 161   scoped_ptr<SyntheticSmoothScrollGestureParams> gesture_params(
 162       new SyntheticSmoothScrollGestureParams);
 163   gesture_params->gesture_source_type = SyntheticGestureParams::TOUCH_INPUT;
 164   gesture_params->distance = 123;
 165   gesture_params->anchor_x = 234;
 166   gesture_params->anchor_y = 345;
 167   ASSERT_EQ(SyntheticGestureParams::SMOOTH_SCROLL_GESTURE,
 168             gesture_params->GetGestureType());
 169   SyntheticGesturePacket packet_in;
 170   packet_in.set_gesture_params(gesture_params.PassAs<SyntheticGestureParams>());
 171
 172   Verify(packet_in);
 173 }
 174
 175 }  // namespace
 176 }  // namespace content