src/ui/events/gestures/motion_event_aura_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 // MSVC++ requires this to be set before any other includes to get M_PI.
   6 #define _USE_MATH_DEFINES
   7
   8 #include <cmath>
   9
  10 #include "testing/gtest/include/gtest/gtest.h"
  11 #include "ui/events/event.h"
  12 #include "ui/events/gestures/motion_event_aura.h"
  13 #include "ui/events/test/motion_event_test_utils.h"
  14
  15 namespace {
  16
  17 ui::TouchEvent TouchWithType(ui::EventType type, int id) {
  18   return ui::TouchEvent(
  19       type, gfx::PointF(0, 0), id, base::TimeDelta::FromMilliseconds(0));
  20 }
  21
  22 ui::TouchEvent TouchWithPosition(ui::EventType type,
  23                                  int id,
  24                                  float x,
  25                                  float y,
  26                                  float raw_x,
  27                                  float raw_y) {
  28   ui::TouchEvent event(type,
  29                        gfx::PointF(x, y),
  30                        0,
  31                        id,
  32                        base::TimeDelta::FromMilliseconds(0),
  33                        0,
  34                        0,
  35                        0,
  36                        0);
  37   event.set_root_location(gfx::PointF(raw_x, raw_y));
  38   return event;
  39 }
  40
  41 ui::TouchEvent TouchWithTapParams(ui::EventType type,
  42                                  int id,
  43                                  float radius_x,
  44                                  float radius_y,
  45                                  float rotation_angle,
  46                                  float pressure) {
  47   ui::TouchEvent event(type,
  48                        gfx::PointF(1, 1),
  49                        0,
  50                        id,
  51                        base::TimeDelta::FromMilliseconds(0),
  52                        radius_x,
  53                        radius_y,
  54                        rotation_angle,
  55                        pressure);
  56   event.set_root_location(gfx::PointF(1, 1));
  57   return event;
  58 }
  59
  60 ui::TouchEvent TouchWithTime(ui::EventType type, int id, int ms) {
  61   return ui::TouchEvent(
  62       type, gfx::PointF(0, 0), id, base::TimeDelta::FromMilliseconds(ms));
  63 }
  64
  65 base::TimeTicks MsToTicks(int ms) {
  66   return base::TimeTicks() + base::TimeDelta::FromMilliseconds(ms);
  67 }
  68
  69 }  // namespace
  70
  71 namespace ui {
  72
  73 TEST(MotionEventAuraTest, PointerCountAndIds) {
  74   // Test that |PointerCount()| returns the correct number of pointers, and ids
  75   // are assigned correctly.
  76   int ids[] = {4, 6, 1};
  77
  78   MotionEventAura event;
  79   EXPECT_EQ(0U, event.GetPointerCount());
  80
  81   TouchEvent press0 = TouchWithType(ET_TOUCH_PRESSED, ids[0]);
  82   event.OnTouch(press0);
  83   EXPECT_EQ(1U, event.GetPointerCount());
  84
  85   EXPECT_EQ(ids[0], event.GetPointerId(0));
  86
  87   TouchEvent press1 = TouchWithType(ET_TOUCH_PRESSED, ids[1]);
  88   event.OnTouch(press1);
  89   EXPECT_EQ(2U, event.GetPointerCount());
  90
  91   EXPECT_EQ(ids[0], event.GetPointerId(0));
  92   EXPECT_EQ(ids[1], event.GetPointerId(1));
  93
  94   TouchEvent press2 = TouchWithType(ET_TOUCH_PRESSED, ids[2]);
  95   event.OnTouch(press2);
  96   EXPECT_EQ(3U, event.GetPointerCount());
  97
  98   EXPECT_EQ(ids[0], event.GetPointerId(0));
  99   EXPECT_EQ(ids[1], event.GetPointerId(1));
 100   EXPECT_EQ(ids[2], event.GetPointerId(2));
 101
 102   TouchEvent release1 = TouchWithType(ET_TOUCH_RELEASED, ids[1]);
 103   event.OnTouch(release1);
 104   event.CleanupRemovedTouchPoints(release1);
 105   EXPECT_EQ(2U, event.GetPointerCount());
 106
 107   EXPECT_EQ(ids[0], event.GetPointerId(0));
 108   EXPECT_EQ(ids[2], event.GetPointerId(1));
 109
 110   // Test cloning of pointer count and id information.
 111   // TODO(mustaq): Make a separate clone test
 112   scoped_ptr<MotionEvent> clone = event.Clone();
 113   EXPECT_EQ(2U, clone->GetPointerCount());
 114   EXPECT_EQ(ids[0], clone->GetPointerId(0));
 115   EXPECT_EQ(ids[2], clone->GetPointerId(1));
 116   EXPECT_EQ(test::ToString(event), test::ToString(*clone));
 117
 118   TouchEvent release0 = TouchWithType(ET_TOUCH_RELEASED, ids[0]);
 119   event.OnTouch(release0);
 120   event.CleanupRemovedTouchPoints(release0);
 121   EXPECT_EQ(1U, event.GetPointerCount());
 122
 123   EXPECT_EQ(ids[2], event.GetPointerId(0));
 124
 125   TouchEvent release2 = TouchWithType(ET_TOUCH_RELEASED, ids[2]);
 126   event.OnTouch(release2);
 127   event.CleanupRemovedTouchPoints(release2);
 128   EXPECT_EQ(0U, event.GetPointerCount());
 129 }
 130
 131 TEST(MotionEventAuraTest, GetActionIndexAfterRemoval) {
 132   // Test that |GetActionIndex()| returns the correct index when points have
 133   // been removed.
 134   int ids[] = {4, 6, 9};
 135
 136   MotionEventAura event;
 137   EXPECT_EQ(0U, event.GetPointerCount());
 138
 139   TouchEvent press0 = TouchWithType(ET_TOUCH_PRESSED, ids[0]);
 140   event.OnTouch(press0);
 141   TouchEvent press1 = TouchWithType(ET_TOUCH_PRESSED, ids[1]);
 142   event.OnTouch(press1);
 143   EXPECT_EQ(1, event.GetActionIndex());
 144   TouchEvent press2 = TouchWithType(ET_TOUCH_PRESSED, ids[2]);
 145   event.OnTouch(press2);
 146   EXPECT_EQ(2, event.GetActionIndex());
 147   EXPECT_EQ(3U, event.GetPointerCount());
 148
 149   TouchEvent release1 = TouchWithType(ET_TOUCH_RELEASED, ids[1]);
 150   event.OnTouch(release1);
 151   EXPECT_EQ(1, event.GetActionIndex());
 152   event.CleanupRemovedTouchPoints(release1);
 153   EXPECT_EQ(2U, event.GetPointerCount());
 154
 155   TouchEvent release2 = TouchWithType(ET_TOUCH_RELEASED, ids[0]);
 156   event.OnTouch(release2);
 157   EXPECT_EQ(0, event.GetActionIndex());
 158   event.CleanupRemovedTouchPoints(release2);
 159   EXPECT_EQ(1U, event.GetPointerCount());
 160
 161   TouchEvent release0 = TouchWithType(ET_TOUCH_RELEASED, ids[2]);
 162   event.OnTouch(release0);
 163   event.CleanupRemovedTouchPoints(release0);
 164   EXPECT_EQ(0U, event.GetPointerCount());
 165 }
 166
 167 TEST(MotionEventAuraTest, PointerLocations) {
 168   // Test that location information is stored correctly.
 169   MotionEventAura event;
 170
 171   const float kRawOffsetX = 11.1f;
 172   const float kRawOffsetY = 13.3f;
 173
 174   int ids[] = {15, 13};
 175   float x;
 176   float y;
 177   float raw_x;
 178   float raw_y;
 179
 180   x = 14.4f;
 181   y = 17.3f;
 182   raw_x = x + kRawOffsetX;
 183   raw_y = y + kRawOffsetY;
 184   TouchEvent press0 =
 185       TouchWithPosition(ET_TOUCH_PRESSED, ids[0], x, y, raw_x, raw_y);
 186   event.OnTouch(press0);
 187
 188   EXPECT_EQ(1U, event.GetPointerCount());
 189   EXPECT_FLOAT_EQ(x, event.GetX(0));
 190   EXPECT_FLOAT_EQ(y, event.GetY(0));
 191   EXPECT_FLOAT_EQ(raw_x, event.GetRawX(0));
 192   EXPECT_FLOAT_EQ(raw_y, event.GetRawY(0));
 193
 194   x = 17.8f;
 195   y = 12.1f;
 196   raw_x = x + kRawOffsetX;
 197   raw_y = y + kRawOffsetY;
 198   TouchEvent press1 =
 199       TouchWithPosition(ET_TOUCH_PRESSED, ids[1], x, y, raw_x, raw_y);
 200   event.OnTouch(press1);
 201
 202   EXPECT_EQ(2U, event.GetPointerCount());
 203   EXPECT_FLOAT_EQ(x, event.GetX(1));
 204   EXPECT_FLOAT_EQ(y, event.GetY(1));
 205   EXPECT_FLOAT_EQ(raw_x, event.GetRawX(1));
 206   EXPECT_FLOAT_EQ(raw_y, event.GetRawY(1));
 207
 208   // Test cloning of pointer location information.
 209   scoped_ptr<MotionEvent> clone = event.Clone();
 210   {
 211     EXPECT_EQ(test::ToString(event), test::ToString(*clone));
 212     EXPECT_EQ(2U, clone->GetPointerCount());
 213     EXPECT_FLOAT_EQ(x, clone->GetX(1));
 214     EXPECT_FLOAT_EQ(y, clone->GetY(1));
 215     EXPECT_FLOAT_EQ(raw_x, clone->GetRawX(1));
 216     EXPECT_FLOAT_EQ(raw_y, clone->GetRawY(1));
 217   }
 218
 219   x = 27.9f;
 220   y = 22.3f;
 221   raw_x = x + kRawOffsetX;
 222   raw_y = y + kRawOffsetY;
 223   TouchEvent move1 =
 224       TouchWithPosition(ET_TOUCH_MOVED, ids[1], x, y, raw_x, raw_y);
 225   event.OnTouch(move1);
 226
 227   EXPECT_FLOAT_EQ(x, event.GetX(1));
 228   EXPECT_FLOAT_EQ(y, event.GetY(1));
 229   EXPECT_FLOAT_EQ(raw_x, event.GetRawX(1));
 230   EXPECT_FLOAT_EQ(raw_y, event.GetRawY(1));
 231
 232   x = 34.6f;
 233   y = 23.8f;
 234   raw_x = x + kRawOffsetX;
 235   raw_y = y + kRawOffsetY;
 236   TouchEvent move0 =
 237       TouchWithPosition(ET_TOUCH_MOVED, ids[0], x, y, raw_x, raw_y);
 238   event.OnTouch(move0);
 239
 240   EXPECT_FLOAT_EQ(x, event.GetX(0));
 241   EXPECT_FLOAT_EQ(y, event.GetY(0));
 242   EXPECT_FLOAT_EQ(raw_x, event.GetRawX(0));
 243   EXPECT_FLOAT_EQ(raw_y, event.GetRawY(0));
 244 }
 245
 246 TEST(MotionEventAuraTest, TapParams) {
 247   // Test that touch params are stored correctly.
 248   MotionEventAura event;
 249
 250   int ids[] = {15, 13};
 251
 252   float radius_x;
 253   float radius_y;
 254   float rotation_angle;
 255   float pressure;
 256
 257   radius_x = 123.45f;
 258   radius_y = 67.89f;
 259   rotation_angle = 23.f;
 260   pressure = 0.123f;
 261   TouchEvent press0 = TouchWithTapParams(
 262       ET_TOUCH_PRESSED, ids[0], radius_x, radius_y, rotation_angle, pressure);
 263   event.OnTouch(press0);
 264
 265   EXPECT_EQ(1U, event.GetPointerCount());
 266   EXPECT_FLOAT_EQ(radius_x, event.GetTouchMajor(0) / 2);
 267   EXPECT_FLOAT_EQ(radius_y, event.GetTouchMinor(0) / 2);
 268   EXPECT_FLOAT_EQ(rotation_angle, event.GetOrientation(0) * 180 / M_PI + 90);
 269   EXPECT_FLOAT_EQ(pressure, event.GetPressure(0));
 270
 271   radius_x = 67.89f;
 272   radius_y = 123.45f;
 273   rotation_angle = 46.f;
 274   pressure = 0.456f;
 275   TouchEvent press1 = TouchWithTapParams(
 276       ET_TOUCH_PRESSED, ids[1], radius_x, radius_y, rotation_angle, pressure);
 277   event.OnTouch(press1);
 278
 279   EXPECT_EQ(2U, event.GetPointerCount());
 280   EXPECT_FLOAT_EQ(radius_y, event.GetTouchMajor(1) / 2);
 281   EXPECT_FLOAT_EQ(radius_x, event.GetTouchMinor(1) / 2);
 282   EXPECT_FLOAT_EQ(rotation_angle, event.GetOrientation(1) * 180 / M_PI);
 283   EXPECT_FLOAT_EQ(pressure, event.GetPressure(1));
 284
 285   // Test cloning of tap params
 286   scoped_ptr<MotionEvent> clone = event.Clone();
 287   {
 288     EXPECT_EQ(test::ToString(event), test::ToString(*clone));
 289     EXPECT_EQ(2U, clone->GetPointerCount());
 290     EXPECT_FLOAT_EQ(radius_y, clone->GetTouchMajor(1) / 2);
 291     EXPECT_FLOAT_EQ(radius_x, clone->GetTouchMinor(1) / 2);
 292     EXPECT_FLOAT_EQ(rotation_angle, clone->GetOrientation(1) * 180 / M_PI);
 293     EXPECT_FLOAT_EQ(pressure, clone->GetPressure(1));
 294   }
 295
 296   radius_x = 76.98f;
 297   radius_y = 321.54f;
 298   rotation_angle = 64.f;
 299   pressure = 0.654f;
 300   TouchEvent move1 = TouchWithTapParams(
 301       ET_TOUCH_MOVED, ids[1], radius_x, radius_y, rotation_angle, pressure);
 302   event.OnTouch(move1);
 303
 304   EXPECT_EQ(2U, event.GetPointerCount());
 305   EXPECT_FLOAT_EQ(radius_y, event.GetTouchMajor(1) / 2);
 306   EXPECT_FLOAT_EQ(radius_x, event.GetTouchMinor(1) / 2);
 307   EXPECT_FLOAT_EQ(rotation_angle, event.GetOrientation(1) * 180 / M_PI);
 308   EXPECT_FLOAT_EQ(pressure, event.GetPressure(1));
 309 }
 310
 311 TEST(MotionEventAuraTest, Timestamps) {
 312   // Test that timestamp information is stored and converted correctly.
 313   MotionEventAura event;
 314   int ids[] = {7, 13};
 315   int times_in_ms[] = {59436, 60263, 82175};
 316
 317   TouchEvent press0 = TouchWithTime(
 318       ui::ET_TOUCH_PRESSED, ids[0], times_in_ms[0]);
 319   event.OnTouch(press0);
 320   EXPECT_EQ(MsToTicks(times_in_ms[0]), event.GetEventTime());
 321
 322   TouchEvent press1 = TouchWithTime(
 323       ui::ET_TOUCH_PRESSED, ids[1], times_in_ms[1]);
 324   event.OnTouch(press1);
 325   EXPECT_EQ(MsToTicks(times_in_ms[1]), event.GetEventTime());
 326
 327   TouchEvent move0 = TouchWithTime(
 328       ui::ET_TOUCH_MOVED, ids[0], times_in_ms[2]);
 329   event.OnTouch(move0);
 330   EXPECT_EQ(MsToTicks(times_in_ms[2]), event.GetEventTime());
 331
 332   // Test cloning of timestamp information.
 333   scoped_ptr<MotionEvent> clone = event.Clone();
 334   EXPECT_EQ(MsToTicks(times_in_ms[2]), clone->GetEventTime());
 335 }
 336
 337 TEST(MotionEventAuraTest, CachedAction) {
 338   // Test that the cached action and cached action index are correct.
 339   int ids[] = {4, 6};
 340   MotionEventAura event;
 341
 342   TouchEvent press0 = TouchWithType(ET_TOUCH_PRESSED, ids[0]);
 343   event.OnTouch(press0);
 344   EXPECT_EQ(MotionEvent::ACTION_DOWN, event.GetAction());
 345   EXPECT_EQ(1U, event.GetPointerCount());
 346
 347   TouchEvent press1 = TouchWithType(ET_TOUCH_PRESSED, ids[1]);
 348   event.OnTouch(press1);
 349   EXPECT_EQ(MotionEvent::ACTION_POINTER_DOWN, event.GetAction());
 350   EXPECT_EQ(1, event.GetActionIndex());
 351   EXPECT_EQ(2U, event.GetPointerCount());
 352
 353   // Test cloning of CachedAction information.
 354   scoped_ptr<MotionEvent> clone = event.Clone();
 355   EXPECT_EQ(MotionEvent::ACTION_POINTER_DOWN, clone->GetAction());
 356   EXPECT_EQ(1, clone->GetActionIndex());
 357
 358   TouchEvent move0 = TouchWithType(ET_TOUCH_MOVED, ids[0]);
 359   event.OnTouch(move0);
 360   EXPECT_EQ(MotionEvent::ACTION_MOVE, event.GetAction());
 361   EXPECT_EQ(2U, event.GetPointerCount());
 362
 363   TouchEvent release0 = TouchWithType(ET_TOUCH_RELEASED, ids[0]);
 364   event.OnTouch(release0);
 365   EXPECT_EQ(MotionEvent::ACTION_POINTER_UP, event.GetAction());
 366   EXPECT_EQ(2U, event.GetPointerCount());
 367   event.CleanupRemovedTouchPoints(release0);
 368   EXPECT_EQ(1U, event.GetPointerCount());
 369
 370   TouchEvent release1 = TouchWithType(ET_TOUCH_RELEASED, ids[1]);
 371   event.OnTouch(release1);
 372   EXPECT_EQ(MotionEvent::ACTION_UP, event.GetAction());
 373   EXPECT_EQ(1U, event.GetPointerCount());
 374   event.CleanupRemovedTouchPoints(release1);
 375   EXPECT_EQ(0U, event.GetPointerCount());
 376 }
 377
 378 TEST(MotionEventAuraTest, Cancel) {
 379   int ids[] = {4, 6};
 380   MotionEventAura event;
 381
 382   TouchEvent press0 = TouchWithType(ET_TOUCH_PRESSED, ids[0]);
 383   event.OnTouch(press0);
 384   EXPECT_EQ(MotionEvent::ACTION_DOWN, event.GetAction());
 385   EXPECT_EQ(1U, event.GetPointerCount());
 386
 387   TouchEvent press1 = TouchWithType(ET_TOUCH_PRESSED, ids[1]);
 388   event.OnTouch(press1);
 389   EXPECT_EQ(MotionEvent::ACTION_POINTER_DOWN, event.GetAction());
 390   EXPECT_EQ(1, event.GetActionIndex());
 391   EXPECT_EQ(2U, event.GetPointerCount());
 392
 393   scoped_ptr<MotionEvent> cancel = event.Cancel();
 394   EXPECT_EQ(MotionEvent::ACTION_CANCEL, cancel->GetAction());
 395   EXPECT_EQ(2U, cancel->GetPointerCount());
 396 }
 397
 398 TEST(MotionEventAuraTest, ToolType) {
 399   MotionEventAura event;
 400
 401   // For now, all pointers have an unknown tool type.
 402   // TODO(jdduke): Expand this test when ui::TouchEvent identifies the source
 403   // touch type, crbug.com/404128.
 404   event.OnTouch(TouchWithType(ET_TOUCH_PRESSED, 7));
 405   ASSERT_EQ(1U, event.GetPointerCount());
 406   EXPECT_EQ(MotionEvent::TOOL_TYPE_UNKNOWN, event.GetToolType(0));
 407 }
 408
 409 TEST(MotionEventAuraTest, Flags) {
 410   int ids[] = {7, 11};
 411   MotionEventAura event;
 412
 413   TouchEvent press0 = TouchWithType(ET_TOUCH_PRESSED, ids[0]);
 414   press0.set_flags(EF_CONTROL_DOWN);
 415   event.OnTouch(press0);
 416   EXPECT_EQ(EF_CONTROL_DOWN, event.GetFlags());
 417
 418   TouchEvent press1 = TouchWithType(ET_TOUCH_PRESSED, ids[1]);
 419   press1.set_flags(EF_CONTROL_DOWN | EF_CAPS_LOCK_DOWN);
 420   event.OnTouch(press1);
 421   EXPECT_EQ(EF_CONTROL_DOWN | EF_CAPS_LOCK_DOWN, event.GetFlags());
 422 }
 423
 424 }  // namespace ui