src/content/browser/renderer_host/input/motion_event_android_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 <android/input.h>
   6
   7 #include "base/android/jni_android.h"
   8 #include "base/float_util.h"
   9 #include "content/browser/renderer_host/input/motion_event_android.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11 #include "ui/events/event_constants.h"
  12 #include "ui/events/test/motion_event_test_utils.h"
  13
  14 using ui::MotionEvent;
  15
  16 namespace content {
  17 namespace {
  18 const float kPixToDip = 0.5f;
  19
  20 int kAndroidActionDown = AMOTION_EVENT_ACTION_DOWN;
  21
  22 int kAndroidAltKeyDown = AMETA_ALT_ON;
  23
  24 // Corresponds to TOOL_TYPE_FINGER, see
  25 // developer.android.com/reference/android/view/MotionEvent.html
  26 //     #TOOL_TYPE_FINGER.
  27 int kAndroidToolTypeFinger = 1;
  28
  29 // Corresponds to BUTTON_PRIMARY, see
  30 // developer.android.com/reference/android/view/MotionEvent.html#BUTTON_PRIMARY.
  31 int kAndroidButtonPrimary = 1;
  32
  33 }  // namespace
  34
  35 // Note that these tests avoid creating a Java instance of the MotionEvent, as
  36 // we're primarily testing caching behavior, and the code necessary to
  37 // construct a Java-backed MotionEvent itself adds unnecessary complexity.
  38 TEST(MotionEventAndroidTest, Constructor) {
  39   int event_time_ms = 5;
  40   base::TimeTicks event_time =
  41       base::TimeTicks() + base::TimeDelta::FromMilliseconds(event_time_ms);
  42   MotionEventAndroid::Pointer p0(
  43       1, 13.7f, -7.13f, 5.3f, 1.2f, 0.1f, kAndroidToolTypeFinger);
  44   MotionEventAndroid::Pointer p1(
  45       2, -13.7f, 7.13f, 3.5f, 12.1f, -0.1f, kAndroidToolTypeFinger);
  46   float raw_offset = -3.f;
  47   int pointer_count = 2;
  48   int history_size = 0;
  49   int action_index = -1;
  50   MotionEventAndroid event(kPixToDip,
  51                            base::android::AttachCurrentThread(),
  52                            nullptr,
  53                            event_time_ms,
  54                            kAndroidActionDown,
  55                            pointer_count,
  56                            history_size,
  57                            action_index,
  58                            kAndroidButtonPrimary,
  59                            kAndroidAltKeyDown,
  60                            raw_offset,
  61                            -raw_offset,
  62                            p0,
  63                            p1);
  64
  65   EXPECT_EQ(MotionEvent::ACTION_DOWN, event.GetAction());
  66   EXPECT_EQ(event_time, event.GetEventTime());
  67   EXPECT_EQ(p0.pos_x_pixels * kPixToDip, event.GetX(0));
  68   EXPECT_EQ(p0.pos_y_pixels * kPixToDip, event.GetY(0));
  69   EXPECT_EQ(p1.pos_x_pixels * kPixToDip, event.GetX(1));
  70   EXPECT_EQ(p1.pos_y_pixels * kPixToDip, event.GetY(1));
  71   EXPECT_FLOAT_EQ((p0.pos_x_pixels + raw_offset) * kPixToDip, event.GetRawX(0));
  72   EXPECT_FLOAT_EQ((p0.pos_y_pixels - raw_offset) * kPixToDip, event.GetRawY(0));
  73   EXPECT_FLOAT_EQ((p1.pos_x_pixels + raw_offset) * kPixToDip, event.GetRawX(1));
  74   EXPECT_FLOAT_EQ((p1.pos_y_pixels - raw_offset) * kPixToDip, event.GetRawY(1));
  75   EXPECT_EQ(p0.touch_major_pixels * kPixToDip, event.GetTouchMajor(0));
  76   EXPECT_EQ(p1.touch_major_pixels * kPixToDip, event.GetTouchMajor(1));
  77   EXPECT_EQ(p0.touch_minor_pixels * kPixToDip, event.GetTouchMinor(0));
  78   EXPECT_EQ(p1.touch_minor_pixels * kPixToDip, event.GetTouchMinor(1));
  79   EXPECT_EQ(p0.orientation_rad, event.GetOrientation(0));
  80   EXPECT_EQ(p1.orientation_rad, event.GetOrientation(1));
  81   EXPECT_EQ(p0.id, event.GetPointerId(0));
  82   EXPECT_EQ(p1.id, event.GetPointerId(1));
  83   EXPECT_EQ(MotionEvent::TOOL_TYPE_FINGER, event.GetToolType(0));
  84   EXPECT_EQ(MotionEvent::TOOL_TYPE_FINGER, event.GetToolType(1));
  85   EXPECT_EQ(MotionEvent::BUTTON_PRIMARY, event.GetButtonState());
  86   EXPECT_EQ(ui::EF_ALT_DOWN, event.GetFlags());
  87   EXPECT_EQ(static_cast<size_t>(pointer_count), event.GetPointerCount());
  88   EXPECT_EQ(static_cast<size_t>(history_size), event.GetHistorySize());
  89   EXPECT_EQ(action_index, event.GetActionIndex());
  90 }
  91
  92 TEST(MotionEventAndroidTest, Clone) {
  93   const int pointer_count = 1;
  94   MotionEventAndroid::Pointer p0(
  95       1, 13.7f, -7.13f, 5.3f, 1.2f, 0.1f, kAndroidToolTypeFinger);
  96   MotionEventAndroid::Pointer p1(0, 0, 0, 0, 0, 0, 0);
  97   MotionEventAndroid event(kPixToDip,
  98                            base::android::AttachCurrentThread(),
  99                            nullptr,
 100                            0,
 101                            kAndroidActionDown,
 102                            pointer_count,
 103                            0,
 104                            0,
 105                            0,
 106                            0,
 107                            0,
 108                            0,
 109                            p0,
 110                            p1);
 111
 112   scoped_ptr<MotionEvent> clone = event.Clone();
 113   EXPECT_EQ(ui::test::ToString(event), ui::test::ToString(*clone));
 114 }
 115
 116 TEST(MotionEventAndroidTest, Cancel) {
 117   const int event_time_ms = 5;
 118   const int pointer_count = 1;
 119   MotionEventAndroid::Pointer p0(
 120       1, 13.7f, -7.13f, 5.3f, 1.2f, 0.1f, kAndroidToolTypeFinger);
 121   MotionEventAndroid::Pointer p1(0, 0, 0, 0, 0, 0, 0);
 122   MotionEventAndroid event(kPixToDip,
 123                            base::android::AttachCurrentThread(),
 124                            nullptr,
 125                            event_time_ms,
 126                            kAndroidActionDown,
 127                            pointer_count,
 128                            0,
 129                            0,
 130                            0,
 131                            0,
 132                            0,
 133                            0,
 134                            p0,
 135                            p1);
 136
 137   scoped_ptr<MotionEvent> cancel_event = event.Cancel();
 138   EXPECT_EQ(MotionEvent::ACTION_CANCEL, cancel_event->GetAction());
 139   EXPECT_EQ(
 140       base::TimeTicks() + base::TimeDelta::FromMilliseconds(event_time_ms),
 141       cancel_event->GetEventTime());
 142   EXPECT_EQ(p0.pos_x_pixels * kPixToDip, cancel_event->GetX(0));
 143   EXPECT_EQ(p0.pos_y_pixels * kPixToDip, cancel_event->GetY(0));
 144   EXPECT_EQ(static_cast<size_t>(pointer_count),
 145             cancel_event->GetPointerCount());
 146   EXPECT_EQ(0U, cancel_event->GetHistorySize());
 147 }
 148
 149 TEST(MotionEventAndroidTest, InvalidOrientationsSanitized) {
 150   int pointer_count = 2;
 151   float orientation0 = 1e10f;
 152   float orientation1 = std::numeric_limits<float>::quiet_NaN();
 153   MotionEventAndroid::Pointer p0(0, 0, 0, 0, 0, orientation0, 0);
 154   MotionEventAndroid::Pointer p1(1, 0, 0, 0, 0, orientation1, 0);
 155   MotionEventAndroid event(kPixToDip,
 156                            base::android::AttachCurrentThread(),
 157                            nullptr,
 158                            0,
 159                            kAndroidActionDown,
 160                            pointer_count,
 161                            0,
 162                            0,
 163                            0,
 164                            0,
 165                            0,
 166                            0,
 167                            p0,
 168                            p1);
 169
 170   EXPECT_EQ(0.f, event.GetOrientation(0));
 171   EXPECT_EQ(0.f, event.GetOrientation(1));
 172 }
 173
 174 }  // namespace content