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