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| 1 <!DOCTYPE html> |
| 2 <meta charset=utf-8> |
| 3 <title>Effect-level easing tests</title> |
| 4 <link rel="help" href="http://w3c.github.io/web-animations/#calculating-the-tran
sformed-time"> |
| 5 <link rel="author" title="Hiroyuki Ikezoe" href="mailto:hiikezoe@mozilla-japan.o
rg"> |
| 6 <script src="../../../../resources/testharness.js"></script> |
| 7 <script src="../../../../resources/testharnessreport.js"></script> |
| 8 <script src="../testcommon.js"></script> |
| 9 <body> |
| 10 <div id="log"></div> |
| 11 <div id="target"></div> |
| 12 <script> |
| 13 "use strict"; |
| 14 |
| 15 function assert_style_left_at(animation, time, easingFunction) { |
| 16 animation.currentTime = time; |
| 17 var portion = time / animation.effect.timing.duration; |
| 18 assert_approx_equals(pxToNum(getComputedStyle(animation.effect.target).left), |
| 19 easingFunction(portion) * 100, |
| 20 0.01, |
| 21 'The left of the animation should be approximately ' + |
| 22 easingFunction(portion) * 100 + ' at ' + time + 'ms'); |
| 23 } |
| 24 |
| 25 var gEffectEasingTests = [ |
| 26 { |
| 27 desc: 'steps(start) function', |
| 28 easing: 'steps(2, start)', |
| 29 easingFunction: stepStart(2) |
| 30 }, |
| 31 { |
| 32 desc: 'steps(end) function', |
| 33 easing: 'steps(2, end)', |
| 34 easingFunction: stepEnd(2) |
| 35 }, |
| 36 { |
| 37 desc: 'linear function', |
| 38 easing: 'linear', // cubic-bezier(0, 0, 1.0, 1.0) |
| 39 easingFunction: cubicBezier(0, 0, 1.0, 1.0) |
| 40 }, |
| 41 { |
| 42 desc: 'ease function', |
| 43 easing: 'ease', // cubic-bezier(0.25, 0.1, 0.25, 1.0) |
| 44 easingFunction: cubicBezier(0.25, 0.1, 0.25, 1.0) |
| 45 }, |
| 46 { |
| 47 desc: 'ease-in function', |
| 48 easing: 'ease-in', // cubic-bezier(0.42, 0, 1.0, 1.0) |
| 49 easingFunction: cubicBezier(0.42, 0, 1.0, 1.0) |
| 50 }, |
| 51 { |
| 52 desc: 'ease-in-out function', |
| 53 easing: 'ease-in-out', // cubic-bezier(0.42, 0, 0.58, 1.0) |
| 54 easingFunction: cubicBezier(0.42, 0, 0.58, 1.0) |
| 55 }, |
| 56 { |
| 57 desc: 'ease-out function', |
| 58 easing: 'ease-out', // cubic-bezier(0, 0, 0.58, 1.0) |
| 59 easingFunction: cubicBezier(0, 0, 0.58, 1.0) |
| 60 }, |
| 61 { |
| 62 desc: 'easing function which produces values greater than 1', |
| 63 easing: 'cubic-bezier(0, 1.5, 1, 1.5)', |
| 64 easingFunction: cubicBezier(0, 1.5, 1, 1.5) |
| 65 }, |
| 66 { |
| 67 desc: 'easing function which produces negative values', |
| 68 easing: 'cubic-bezier(0, -0.5 ,1, -0.5)', |
| 69 easingFunction: cubicBezier(0, -0.5, 1, -0.5) |
| 70 }, |
| 71 ]; |
| 72 |
| 73 gEffectEasingTests.forEach(function(options) { |
| 74 test(function(t) { |
| 75 var target = createDiv(t); |
| 76 target.style.position = 'absolute'; |
| 77 var anim = target.animate([ { left: '0px' }, { left: '100px' } ], |
| 78 { duration: 1000, |
| 79 fill: 'forwards', |
| 80 easing: options.easing }); |
| 81 var easing = options.easingFunction; |
| 82 |
| 83 anim.pause(); |
| 84 |
| 85 assert_style_left_at(anim, 0, easing); |
| 86 assert_style_left_at(anim, 250, easing); |
| 87 assert_style_left_at(anim, 500, easing); |
| 88 assert_style_left_at(anim, 750, easing); |
| 89 assert_style_left_at(anim, 1000, easing); |
| 90 }, options.desc); |
| 91 }); |
| 92 |
| 93 var gEffectEasingTestsWithKeyframeEasing = [ |
| 94 { |
| 95 desc: 'effect easing produces values greater than 1 with keyframe ' + |
| 96 'easing cubic-bezier(0, 0, 0, 0)', |
| 97 easing: 'cubic-bezier(0, 1.5, 1, 1.5)', |
| 98 keyframeEasing: 'cubic-bezier(0, 0, 0, 0)', // linear |
| 99 easingFunction: cubicBezier(0, 1.5, 1, 1.5) |
| 100 }, |
| 101 { |
| 102 desc: 'effect easing produces values greater than 1 with keyframe ' + |
| 103 'easing cubic-bezier(1, 1, 1, 1)', |
| 104 easing: 'cubic-bezier(0, 1.5, 1, 1.5)', |
| 105 keyframeEasing: 'cubic-bezier(1, 1, 1, 1)', // linear |
| 106 easingFunction: cubicBezier(0, 1.5, 1, 1.5) |
| 107 }, |
| 108 { |
| 109 desc: 'effect easing produces negative values 1 with keyframe ' + |
| 110 'easing cubic-bezier(0, 0, 0, 0)', |
| 111 easing: 'cubic-bezier(0, -0.5, 1, -0.5)', |
| 112 keyframeEasing: 'cubic-bezier(0, 0, 0, 0)', // linear |
| 113 easingFunction: cubicBezier(0, -0.5, 1, -0.5) |
| 114 }, |
| 115 { |
| 116 desc: 'effect easing produces negative values 1 with keyframe ' + |
| 117 'easing cubic-bezier(1, 1, 1, 1)', |
| 118 easing: 'cubic-bezier(0, -0.5, 1, -0.5)', |
| 119 keyframeEasing: 'cubic-bezier(1, 1, 1, 1)', // linear |
| 120 easingFunction: cubicBezier(0, -0.5, 1, -0.5) |
| 121 }, |
| 122 ]; |
| 123 |
| 124 gEffectEasingTestsWithKeyframeEasing.forEach(function(options) { |
| 125 test(function(t) { |
| 126 var target = createDiv(t); |
| 127 target.style.position = 'absolute'; |
| 128 var anim = target.animate( |
| 129 [ { left: '0px', easing: options.keyframeEasing }, |
| 130 { left: '100px' } ], |
| 131 { duration: 1000, |
| 132 fill: 'forwards', |
| 133 easing: options.easing }); |
| 134 var easing = options.easingFunction; |
| 135 |
| 136 anim.pause(); |
| 137 |
| 138 assert_style_left_at(anim, 0, easing); |
| 139 assert_style_left_at(anim, 250, easing); |
| 140 assert_style_left_at(anim, 500, easing); |
| 141 assert_style_left_at(anim, 750, easing); |
| 142 assert_style_left_at(anim, 1000, easing); |
| 143 }, options.desc); |
| 144 }); |
| 145 |
| 146 // Other test cases that effect easing produces values outside of [0,1]. |
| 147 test(function(t) { |
| 148 var target = createDiv(t); |
| 149 target.style.position = 'absolute'; |
| 150 var anim = target.animate([ { left: '0px', easing: 'step-start' }, |
| 151 { left: '100px' } ], |
| 152 { duration: 1000, |
| 153 fill: 'forwards', |
| 154 easing: 'cubic-bezier(0, 1.5, 1, 1.5)' }); |
| 155 anim.pause(); |
| 156 |
| 157 // The bezier function produces values greater than 1 in (0.23368794, 1) |
| 158 anim.currentTime = 0; |
| 159 assert_equals(getComputedStyle(target).left, '100px'); |
| 160 anim.currentTime = 230; |
| 161 assert_equals(getComputedStyle(target).left, '100px'); |
| 162 anim.currentTime = 250; |
| 163 assert_equals(getComputedStyle(target).left, '100px'); |
| 164 anim.currentTime = 1000; |
| 165 assert_equals(getComputedStyle(target).left, '100px'); |
| 166 }, 'effect easing produces values greater than 1 with step-start keyframe'); |
| 167 |
| 168 test(function(t) { |
| 169 var target = createDiv(t); |
| 170 target.style.position = 'absolute'; |
| 171 var anim = target.animate([ { left: '0px', easing: 'step-end' }, |
| 172 { left: '100px' } ], |
| 173 { duration: 1000, |
| 174 fill: 'forwards', |
| 175 easing: 'cubic-bezier(0, 1.5, 1, 1.5)' }); |
| 176 anim.pause(); |
| 177 |
| 178 // The bezier function produces values greater than 1 in (0.23368794, 1) |
| 179 anim.currentTime = 0; |
| 180 assert_equals(getComputedStyle(target).left, '0px'); |
| 181 anim.currentTime = 230; |
| 182 assert_equals(getComputedStyle(target).left, '0px'); |
| 183 anim.currentTime = 250; |
| 184 assert_equals(getComputedStyle(target).left, '100px'); |
| 185 anim.currentTime = 1000; |
| 186 assert_equals(getComputedStyle(target).left, '100px'); |
| 187 }, 'effect easing produces values greater than 1 with step-end keyframe'); |
| 188 |
| 189 test(function(t) { |
| 190 var target = createDiv(t); |
| 191 target.style.position = 'absolute'; |
| 192 var anim = target.animate([ { left: '0px', easing: 'step-start' }, |
| 193 { left: '100px' } ], |
| 194 { duration: 1000, |
| 195 fill: 'forwards', |
| 196 easing: 'cubic-bezier(0, -0.5, 1, -0.5)' }); |
| 197 anim.pause(); |
| 198 |
| 199 // The bezier function produces negative values in (0, 0.766312060) |
| 200 anim.currentTime = 0; |
| 201 assert_equals(getComputedStyle(target).left, '100px'); |
| 202 anim.currentTime = 750; |
| 203 assert_equals(getComputedStyle(target).left, '0px'); |
| 204 anim.currentTime = 800; |
| 205 assert_equals(getComputedStyle(target).left, '100px'); |
| 206 anim.currentTime = 1000; |
| 207 assert_equals(getComputedStyle(target).left, '100px'); |
| 208 }, 'effect easing produces negative values with step-start keyframe'); |
| 209 |
| 210 test(function(t) { |
| 211 var target = createDiv(t); |
| 212 target.style.position = 'absolute'; |
| 213 var anim = target.animate([ { left: '0px', easing: 'step-end' }, |
| 214 { left: '100px' } ], |
| 215 { duration: 1000, |
| 216 fill: 'forwards', |
| 217 easing: 'cubic-bezier(0, -0.5, 1, -0.5)' }); |
| 218 anim.pause(); |
| 219 |
| 220 // The bezier function produces negative values in (0, 0.766312060) |
| 221 anim.currentTime = 0; |
| 222 assert_equals(getComputedStyle(target).left, '0px'); |
| 223 anim.currentTime = 750; |
| 224 assert_equals(getComputedStyle(target).left, '0px'); |
| 225 anim.currentTime = 800; |
| 226 assert_equals(getComputedStyle(target).left, '0px'); |
| 227 anim.currentTime = 1000; |
| 228 assert_equals(getComputedStyle(target).left, '100px'); |
| 229 }, 'effect easing produces negative values with step-end keyframe'); |
| 230 |
| 231 test(function(t) { |
| 232 var target = createDiv(t); |
| 233 target.style.position = 'absolute'; |
| 234 var anim = target.animate( |
| 235 // http://cubic-bezier.com/#.5,1,.5,0 |
| 236 [ { left: '0px', easing: 'cubic-bezier(0.5, 1, 0.5, 0)' }, |
| 237 { left: '100px' } ], |
| 238 { duration: 1000, |
| 239 fill: 'forwards', |
| 240 easing: 'cubic-bezier(0, 1.5, 1, 1.5)' }); |
| 241 var keyframeEasing = function(x) { |
| 242 assert_greater_than_equal(x, 0.0, |
| 243 'This function should be called in [0, 1.0] range'); |
| 244 assert_less_than_equal(x, 1.0, |
| 245 'This function should be called in [0, 1.0] range'); |
| 246 return cubicBezier(0.5, 1, 0.5, 0)(x); |
| 247 } |
| 248 var keyframeEasingExtrapolated = function(x) { |
| 249 assert_greater_than(x, 1.0, |
| 250 'This function should be called in (1.0, infinity) range'); |
| 251 // p3x + (p2y - p3y) / (p2x - p3x) * (x - p3x) |
| 252 return 1.0 + (0 - 1) / (0.5 - 1) * (x - 1.0); |
| 253 } |
| 254 var effectEasing = function(x) { |
| 255 return cubicBezier(0, 1.5, 1, 1.5)(x); |
| 256 } |
| 257 |
| 258 anim.pause(); |
| 259 |
| 260 // The effect-easing produces values greater than 1 in (0.23368794, 1) |
| 261 assert_style_left_at(anim, 0, function(x) { |
| 262 return keyframeEasing(effectEasing(x)); |
| 263 }); |
| 264 assert_style_left_at(anim, 230, function(x) { |
| 265 return keyframeEasing(effectEasing(x)); |
| 266 }); |
| 267 assert_style_left_at(anim, 240, function(x) { |
| 268 return keyframeEasingExtrapolated(effectEasing(x)); |
| 269 }); |
| 270 // Near the extreme point of the effect-easing function |
| 271 assert_style_left_at(anim, 700, function(x) { |
| 272 return keyframeEasingExtrapolated(effectEasing(x)); |
| 273 }); |
| 274 assert_style_left_at(anim, 990, function(x) { |
| 275 return keyframeEasingExtrapolated(effectEasing(x)); |
| 276 }); |
| 277 assert_style_left_at(anim, 1000, function(x) { |
| 278 return keyframeEasing(effectEasing(x)); |
| 279 }); |
| 280 }, 'effect easing produces values greater than 1 with keyframe easing ' + |
| 281 'producing values greater than 1'); |
| 282 |
| 283 test(function(t) { |
| 284 var target = createDiv(t); |
| 285 target.style.position = 'absolute'; |
| 286 var anim = target.animate( |
| 287 // http://cubic-bezier.com/#0,1.5,1,1.5 |
| 288 [ { left: '0px', easing: 'cubic-bezier(0, 1.5, 1, 1.5)' }, |
| 289 { left: '100px' } ], |
| 290 { duration: 1000, |
| 291 fill: 'forwards', |
| 292 easing: 'cubic-bezier(0, 1.5, 1, 1.5)' }); |
| 293 var easing = function(x) { |
| 294 assert_greater_than_equal(x, 0.0, |
| 295 'This function should be called in [0, 1.0] range'); |
| 296 assert_less_than_equal(x, 1.0, |
| 297 'This function should be called in [0, 1.0] range'); |
| 298 return cubicBezier(0, 1.5, 1, 1.5)(x); |
| 299 } |
| 300 var easingExtrapolated = function(x) { |
| 301 assert_greater_than(x, 1.0, |
| 302 'This function should be called in negative range'); |
| 303 // For cubic-bezier(0, 1.5, 1, 1.5), the tangent at the |
| 304 // endpoint (x = 1.0) is infinity so we should just return 1.0. |
| 305 return 1.0; |
| 306 } |
| 307 |
| 308 anim.pause(); |
| 309 |
| 310 // The effect-easing produces values greater than 1 in (0.23368794, 1) |
| 311 assert_style_left_at(anim, 0, function(x) { |
| 312 return easing(easing(x)) |
| 313 }); |
| 314 assert_style_left_at(anim, 230, function(x) { |
| 315 return easing(easing(x)) |
| 316 }); |
| 317 assert_style_left_at(anim, 240, function(x) { |
| 318 return easingExtrapolated(easing(x)); |
| 319 }); |
| 320 // Near the extreme point of the effect-easing function |
| 321 assert_style_left_at(anim, 700, function(x) { |
| 322 return easingExtrapolated(easing(x)); |
| 323 }); |
| 324 assert_style_left_at(anim, 990, function(x) { |
| 325 return easingExtrapolated(easing(x)); |
| 326 }); |
| 327 assert_style_left_at(anim, 1000, function(x) { |
| 328 return easing(easing(x)) |
| 329 }); |
| 330 }, 'effect easing which produces values greater than 1 and the tangent on ' + |
| 331 'the upper boundary is infinity with keyframe easing producing values ' + |
| 332 'greater than 1'); |
| 333 |
| 334 test(function(t) { |
| 335 var target = createDiv(t); |
| 336 target.style.position = 'absolute'; |
| 337 var anim = target.animate( |
| 338 // http://cubic-bezier.com/#.5,1,.5,0 |
| 339 [ { left: '0px', easing: 'cubic-bezier(0.5, 1, 0.5, 0)' }, |
| 340 { left: '100px' } ], |
| 341 { duration: 1000, |
| 342 fill: 'forwards', |
| 343 easing: 'cubic-bezier(0, -0.5, 1, -0.5)' }); |
| 344 var keyframeEasing = function(x) { |
| 345 assert_greater_than_equal(x, 0.0, |
| 346 'This function should be called in [0, 1.0] range'); |
| 347 assert_less_than_equal(x, 1.0, |
| 348 'This function should be called in [0, 1.0] range'); |
| 349 return cubicBezier(0.5, 1, 0.5, 0)(x); |
| 350 } |
| 351 var keyframeEasingExtrapolated = function(x) { |
| 352 assert_less_than(x, 0.0, |
| 353 'This function should be called in negative range'); |
| 354 // p0x + (p1y - p0y) / (p1x - p0x) * (x - p0x) |
| 355 return (1 / 0.5) * x; |
| 356 } |
| 357 var effectEasing = function(x) { |
| 358 return cubicBezier(0, -0.5, 1, -0.5)(x); |
| 359 } |
| 360 |
| 361 anim.pause(); |
| 362 |
| 363 // The effect-easing produces negative values in (0, 0.766312060) |
| 364 assert_style_left_at(anim, 0, function(x) { |
| 365 return keyframeEasing(effectEasing(x)); |
| 366 }); |
| 367 assert_style_left_at(anim, 10, function(x) { |
| 368 return keyframeEasingExtrapolated(effectEasing(x)); |
| 369 }); |
| 370 // Near the extreme point of the effect-easing function |
| 371 assert_style_left_at(anim, 300, function(x) { |
| 372 return keyframeEasingExtrapolated(effectEasing(x)); |
| 373 }); |
| 374 assert_style_left_at(anim, 750, function(x) { |
| 375 return keyframeEasingExtrapolated(effectEasing(x)); |
| 376 }); |
| 377 assert_style_left_at(anim, 770, function(x) { |
| 378 return keyframeEasing(effectEasing(x)); |
| 379 }); |
| 380 assert_style_left_at(anim, 1000, function(x) { |
| 381 return keyframeEasing(effectEasing(x)); |
| 382 }); |
| 383 }, 'effect easing produces negative values with keyframe easing ' + |
| 384 'producing negative values'); |
| 385 |
| 386 test(function(t) { |
| 387 var target = createDiv(t); |
| 388 target.style.position = 'absolute'; |
| 389 var anim = target.animate( |
| 390 // http://cubic-bezier.com/#0,-0.5,1,-0.5 |
| 391 [ { left: '0px', easing: 'cubic-bezier(0, -0.5, 1, -0.5)' }, |
| 392 { left: '100px' } ], |
| 393 { duration: 1000, |
| 394 fill: 'forwards', |
| 395 easing: 'cubic-bezier(0, -0.5, 1, -0.5)' }); |
| 396 var easing = function(x) { |
| 397 assert_greater_than_equal(x, 0.0, |
| 398 'This function should be called in [0, 1.0] range'); |
| 399 assert_less_than_equal(x, 1.0, |
| 400 'This function should be called in [0, 1.0] range'); |
| 401 return cubicBezier(0, -0.5, 1, -0.5)(x); |
| 402 } |
| 403 var easingExtrapolated = function(x) { |
| 404 assert_less_than(x, 0.0, |
| 405 'This function should be called in negative range'); |
| 406 // For cubic-bezier(0, -0.5, 1, -0.5), the tangent at the |
| 407 // endpoint (x = 0.0) is infinity so we should just return 0.0. |
| 408 return 0.0; |
| 409 } |
| 410 |
| 411 anim.pause(); |
| 412 |
| 413 // The effect-easing produces negative values in (0, 0.766312060) |
| 414 assert_style_left_at(anim, 0, function(x) { |
| 415 return easing(easing(x)) |
| 416 }); |
| 417 assert_style_left_at(anim, 10, function(x) { |
| 418 return easingExtrapolated(easing(x)); |
| 419 }); |
| 420 // Near the extreme point of the effect-easing function |
| 421 assert_style_left_at(anim, 300, function(x) { |
| 422 return easingExtrapolated(easing(x)); |
| 423 }); |
| 424 assert_style_left_at(anim, 750, function(x) { |
| 425 return easingExtrapolated(easing(x)); |
| 426 }); |
| 427 assert_style_left_at(anim, 770, function(x) { |
| 428 return easing(easing(x)) |
| 429 }); |
| 430 assert_style_left_at(anim, 1000, function(x) { |
| 431 return easing(easing(x)) |
| 432 }); |
| 433 }, 'effect easing which produces negative values and the tangent on ' + |
| 434 'the lower boundary is infinity with keyframe easing producing ' + |
| 435 'negative values'); |
| 436 |
| 437 </script> |
| 438 </body> |
| OLD | NEW |
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Chromium Code Reviews
Issue 1866333004:
Import web-platform-tests@5a8700479d98852455bee6117558897867eb278a (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@wpt-sync