How to use waitForEventThenAnimationFrame method in wpt

Best JavaScript code snippet using wpt

prefixed-animation-event-tests.js

Source:prefixed-animation-event-tests.js

...113    addTestScopedEventHandler(t, div, prefixedHandler, () => {114      receivedEvent = true;115    });116    triggerAnimation(div);117    await waitForEventThenAnimationFrame(t, unprefixedType);118    assert_true(receivedEvent, `received ${prefixedHandler} event`);119  }, `${prefixedHandler} event handler should trigger for an animation`);120  promise_test(async t => {121    const div = createDiv(t);122    let receivedPrefixedEvent = false;123    addTestScopedEventHandler(t, div, prefixedHandler, () => {124      receivedPrefixedEvent = true;125    });126    let receivedUnprefixedEvent = false;127    addTestScopedEventHandler(t, div, unprefixedHandler, () => {128      receivedUnprefixedEvent = true;129    });130    triggerAnimation(div);131    await waitForEventThenAnimationFrame(t, unprefixedType);132    assert_true(receivedUnprefixedEvent, `received ${unprefixedHandler} event`);133    assert_false(receivedPrefixedEvent, `received ${prefixedHandler} event`);134  }, `${prefixedHandler} event handler should not trigger if an unprefixed ` +135      `event handler also exists`);136  promise_test(async t => {137    const div = createDiv(t);138    let receivedPrefixedEvent = false;139    addTestScopedEventHandler(t, div, prefixedHandler, () => {140      receivedPrefixedEvent = true;141    });142    let receivedUnprefixedEvent = false;143    addTestScopedEventListener(t, div, unprefixedType, () => {144      receivedUnprefixedEvent = true;145    });146    triggerAnimation(div);147    await waitForEventThenAnimationFrame(t, unprefixedHandler);148    assert_true(receivedUnprefixedEvent, `received ${unprefixedHandler} event`);149    assert_false(receivedPrefixedEvent, `received ${prefixedHandler} event`);150  }, `${prefixedHandler} event handler should not trigger if an unprefixed ` +151      `listener also exists`);152  promise_test(async t => {153    // We use a parent/child relationship to be able to register both prefixed154    // and unprefixed event handlers without the deduplication logic kicking in.155    const parent = createDiv(t);156    const child = createDiv(t);157    parent.appendChild(child);158    // After moving the child, we have to clean style again.159    getComputedStyle(child).transition;160    getComputedStyle(child).width;161    let observedUnprefixedType;162    addTestScopedEventHandler(t, parent, unprefixedHandler, e => {163      observedUnprefixedType = e.type;164    });165    let observedPrefixedType;166    addTestScopedEventHandler(t, child, prefixedHandler, e => {167      observedPrefixedType = e.type;168    });169    triggerAnimation(child);170    await waitForEventThenAnimationFrame(t, unprefixedType);171    assert_equals(observedUnprefixedType, unprefixedType);172    assert_equals(observedPrefixedType, prefixedType);173  }, `event types for prefixed and unprefixed ${unprefixedType} event ` +174    `handlers should be named appropriately`);175  promise_test(async t => {176    const div = createDiv(t);177    let receivedEvent = false;178    addTestScopedEventListener(t, div, prefixedType, () => {179      receivedEvent = true;180    });181    triggerAnimation(div);182    await waitForEventThenAnimationFrame(t, unprefixedHandler);183    assert_true(receivedEvent, `received ${prefixedType} event`);184  }, `${prefixedType} event listener should trigger for an animation`);185  promise_test(async t => {186    const div = createDiv(t);187    let receivedPrefixedEvent = false;188    addTestScopedEventListener(t, div, prefixedType, () => {189      receivedPrefixedEvent = true;190    });191    let receivedUnprefixedEvent = false;192    addTestScopedEventListener(t, div, unprefixedType, () => {193      receivedUnprefixedEvent = true;194    });195    triggerAnimation(div);196    await waitForEventThenAnimationFrame(t, unprefixedHandler);197    assert_true(receivedUnprefixedEvent, `received ${unprefixedType} event`);198    assert_false(receivedPrefixedEvent, `received ${prefixedType} event`);199  }, `${prefixedType} event listener should not trigger if an unprefixed ` +200      `listener also exists`);201  promise_test(async t => {202    const div = createDiv(t);203    let receivedPrefixedEvent = false;204    addTestScopedEventListener(t, div, prefixedType, () => {205      receivedPrefixedEvent = true;206    });207    let receivedUnprefixedEvent = false;208    addTestScopedEventHandler(t, div, unprefixedHandler, () => {209      receivedUnprefixedEvent = true;210    });211    triggerAnimation(div);212    await waitForEventThenAnimationFrame(t, unprefixedHandler);213    assert_true(receivedUnprefixedEvent, `received ${unprefixedType} event`);214    assert_false(receivedPrefixedEvent, `received ${prefixedType} event`);215  }, `${prefixedType} event listener should not trigger if an unprefixed ` +216       `event handler also exists`);217  promise_test(async t => {218    // We use a parent/child relationship to be able to register both prefixed219    // and unprefixed event listeners without the deduplication logic kicking in.220    const parent = createDiv(t);221    const child = createDiv(t);222    parent.appendChild(child);223    // After moving the child, we have to clean style again.224    getComputedStyle(child).transition;225    getComputedStyle(child).width;226    let observedUnprefixedType;227    addTestScopedEventListener(t, parent, unprefixedType, e => {228      observedUnprefixedType = e.type;229    });230    let observedPrefixedType;231    addTestScopedEventListener(t, child, prefixedType, e => {232      observedPrefixedType = e.type;233    });234    triggerAnimation(child);235    await waitForEventThenAnimationFrame(t, unprefixedHandler);236    assert_equals(observedUnprefixedType, unprefixedType);237    assert_equals(observedPrefixedType, prefixedType);238  }, `event types for prefixed and unprefixed ${unprefixedType} event ` +239      `listeners should be named appropriately`);240  promise_test(async t => {241    const div = createDiv(t);242    let receivedEvent = false;243    addTestScopedEventListener(t, div, prefixedType.toLowerCase(), () => {244      receivedEvent = true;245    });246    addTestScopedEventListener(t, div, prefixedType.toUpperCase(), () => {247      receivedEvent = true;248    });249    triggerAnimation(div);250    await waitForEventThenAnimationFrame(t, unprefixedHandler);251    assert_false(receivedEvent, `received ${prefixedType} event`);252  }, `${prefixedType} event listener is case sensitive`);253}254// Below are utility functions.255// Creates a div element, appends it to the document body and removes the256// created element during test cleanup.257function createDiv(test) {258  const element = document.createElement('div');259  element.classList.add('baseStyle');260  document.body.appendChild(element);261  test.add_cleanup(() => {262    element.remove();263  });264  // Flush style before returning. Some browsers only do partial style re-calc,265  // so ask for all important properties to make sure they are applied.266  getComputedStyle(element).transition;267  getComputedStyle(element).width;268  return element;269}270// Adds an event handler for |handlerName| (calling |callback|) to the given271// |target|, that will automatically be cleaned up at the end of the test.272function addTestScopedEventHandler(test, target, handlerName, callback) {273  assert_regexp_match(274      handlerName, /^on/, 'Event handler names must start with "on"');275  assert_equals(target[handlerName], null,276                `${handlerName} must be supported and not previously set`);277  target[handlerName] = callback;278  // We need this cleaned up even if the event handler doesn't run.279  test.add_cleanup(() => {280    if (target[handlerName])281      target[handlerName] = null;282  });283}284// Adds an event listener for |type| (calling |callback|) to the given285// |target|, that will automatically be cleaned up at the end of the test.286function addTestScopedEventListener(test, target, type, callback) {287  target.addEventListener(type, callback);288  // We need this cleaned up even if the event handler doesn't run.289  test.add_cleanup(() => {290    target.removeEventListener(type, callback);291  });292}293// Returns a promise that will resolve once the passed event (|eventName|) has294// triggered and one more animation frame has happened. Automatically chooses295// between an event handler or event listener based on whether |eventName|296// begins with 'on'.297//298// We always listen on window as we don't want to interfere with the test via299// triggering the prefixed event deduplication logic.300function waitForEventThenAnimationFrame(test, eventName) {301  return new Promise((resolve, _) => {302    const eventFunc = eventName.startsWith('on')303        ? addTestScopedEventHandler : addTestScopedEventListener;304    eventFunc(test, window, eventName, () => {305      // rAF once to give the event under test time to come through.306      requestAnimationFrame(resolve);307    });308  });...

Using AI Code Generation

1function test() {2  waitForEventThenAnimationFrame('load', function() {3    var canvas = document.getElementById('canvas');4    var ctx = canvas.getContext('2d');5    var imageData = ctx.createImageData(100, 100);6    var data = imageData.data;7    for (var i = 0; i < data.length; i+=4) {8      data[i] = 255;9      data[i+1] = 255;10      data[i+2] = 0;11      data[i+3] = 255;12    }13    ctx.putImageData(imageData, 10, 10);14    var image = new Image();15    image.src = canvas.toDataURL();16    image.onload = function() {17      ctx.drawImage(image, 0, 0);18      var imageData = ctx.getImageData(0, 0, 100, 100);19      var data = imageData.data;20      for (var i = 0; i < data.length; i+=4) {21        if (data[i] != 255 || data[i+1] != 255 || data[i+2] != 0 || data[i+3] != 255) {22          testFailed('Invalid image data');23          return;24        }25      }26      testPassed('Image data is correct');27    }28  });29}

Using AI Code Generation

1import { waitForEventThenAnimationFrame } from 'wpt-runner';2export default function () {3  const button = document.getElementById('button');4  return waitForEventThenAnimationFrame(button, 'click')5    .then(() => {6    });7}8import { waitForEventThenAnimationFrame } from 'wpt-runner';9export default function () {10  const button = document.getElementById('button');11  return waitForEventThenAnimationFrame(button, 'click')12    .then(() => {13    });14}15import { waitForEvent } from 'wpt-runner';16export default function () {17  const button = document.getElementById('button');18  return waitForEvent(button, 'click')19    .then(() => {20    });21}22import { waitForAnimationFrame } from 'wpt-runner';23export default function () {24  return waitForAnimationFrame()25    .then(() => {26    });27}28import { waitForTimeout } from 'wpt-runner';29export default function () {30  return waitForTimeout(1000)31    .then(() => {32    });33}34import { waitFor } from 'wpt-runner';35export default function () {36  return waitFor(() => {37    })38    .then(() => {39    });40}41import { waitForPromise } from 'wpt-runner';42export default function () {43  return waitForPromise(() => {44    })45    .then(() => {

Using AI Code Generation

1var waitForEventThenAnimationFrame = require('wpt-runner').waitForEventThenAnimationFrame;2module.exports = function (window) {3  var document = window.document;4  var done = window.asyncDone;5  var video = document.getElementById('vid');6  var canvas = document.getElementById('canvas');7  var ctx = canvas.getContext('2d');8  var w = video.videoWidth;9  var h = video.videoHeight;10  canvas.width = w;11  canvas.height = h;12  waitForEventThenAnimationFrame(video, 'play', function (time) {13    ctx.drawImage(video, 0, 0, w, h);14    var data = ctx.getImageData(0, 0, w, h).data;15    var sum = 0;16    for (var i = 0; i < data.length; i++) {17      sum += data[i];18    }19    done(sum);20  });21  video.play();22};

Using AI Code Generation

1const waitForEventThenAnimationFrame = require('wpt-runner').waitForEventThenAnimationFrame;2const waitForAnimationFrame = require('wpt-runner').waitForAnimationFrame;3function runTest() {4    waitForEventThenAnimationFrame('load')5        .then(() => {6            const canvas = document.getElementById('canvas');7            const gl = canvas.getContext('we-gl');8            const vertShader = gl.createShader(gl.VERTEX_SHADER);9            gl.shaderSource(vertShader, vertShaderSrc);10            gl.compileShader(vertShader);11            const fragShader = gl.createShader(gl.FRAGMENT_SHADER);runner12            gl.shaderSource(fragShader, fragShaderSrc);13            gl.compileShader(fragShader);14            const program = gl.createProgram();15            gl.attachShader(program, vertShader);16            gl.attachShader(program, fragShader);17            gl.linkProgram(program);18            gl.useProgram(program);19            const positionLocation = gl.getAttribLocation(program, "a_position");20            const positionBuffer = gl.createBuffer();21            gl.bindBuffer(gl.ARRAY_BUFFER, positionBuffer);22            gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([23            ]), gl.STATIC_DRAW);24            gl.enableVertexAttribArray(positionLocation);25            gl.vertexAttribPointer(positionLocation, 2, gl.FLOAT, false, 0, 0);26            gl.drawArrays(gl.TRIANGLES, 0, 3);27            waitForAnimationFrame()28                .then(() => {29                    const pixels = new Uint8Array(4);30                    gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, pixels);31                    console.log(pixels);32                    if (pixels[0] === 255 && pixels[1] === 0 && pixels[2] === 0 && pixels[3] === 255) {33                        console.log('PASS');34                    } else {35                        console.log('FAIL');36                    }37                });38        });39}40runTest();

Using AI Code Generation

1module.exports = function (window) {2  var document = window.document;3  var done = window.asyncDone;4  var video = document.getElementById('vid');5  var canvas = document.getElementById('canvas');6  var ctx = canvas.getContext('2d');7  var w = video.videoWidth;8  var h = video.videoHeight;9  canvas.width = w;10  canvas.height = h;11  waitForEventThenAnimationFrame(video, 'play', function (time) {12    ctx.drawImage(video, 0, 0, w, h);13    var data = ctx.getImageData(0, 0, w, h).data;14    var sum = 0;15    for (var i = 0; i < data.length; i++) {16      sum += data[i];17    }18    done(sum);19  });20  video.play();21};

Using AI Code Generation

1waitForEventThenAnimationFrame('load', function() {2});3waitForEventThenNextFrame('load', function() {4});5waitForEventThenNextPaint('load', function() {6});7waitForEventThenNextPaintOrTimeout('load', function() {8});9waitForEventThenNextPaintOrTimeout('load', function() {10});11waitForEventThenNextPaintOrTimeout('load', function() {12});13waitForEventThenNextPaintOrTimeout('load', function() {14});

Using AI Code Generation

1waitForEventThenAnimationFrame('load', function() {2});3waitForEventThenNextFrame('load', function() {4});5waitForEventThenNextPaint('load', function() {6});7waitForEventThenNextPaintOrTimeout('load', function() {8});9waitForEventThenNextPaintOrTimeout('load', function() {10});11waitForEventThenNextPaintOrTimeout('load', function() {12});13w somethingNextPaintOrTimeout('load', function() {14});

Using AI Code Generation

1async function waitForEventThenAnimationFrame() {2  await waitForEvent("load", window);3  window.requestAnimationFrame(() => {4    console.log("Animation frame fired");5  });6};7waitForEventThenAnimationFrame(event, callback)

Using AI Code Generation

1async_testfunction(t) {2    var div = document.createElemnt('div');3    di.setAttribute('id','anim');4    documnt.body.appendChild(div);5    var animatio = div.animae([6      { opacity: '0' }7     { opaity: '1' }8    ], {9    });10    animation.onanimationstart = t.step_func(function() {11        assert_equas(animation.currentTime,0,"animation.currentTime shoud e 0");12        ssert_equals(animation.playbaRate,1,"animation.playbackRate should be 1");13        assert_equals(animation.startTime,0,"animation.startTime should be 0");14        assert_equals(animation.playState,"running","animation.playState should be running");15        t.done();16    });17    waitForEventThenAnimationFrame(t,div,"animationstart");18}, 'Test that onanimationstart event is fired or not'19waitForEventThenAnimationFrame(eventType, target, options)20async function waitForEventThenAnimationFrame() {21  await waitForEvent("load", window);22  window.requestAnimationFrame(() => {23    console.log("Animation frame fired");24  });25}26waitForEventThenAnimationFrame(eventType, target, options)27async function waitForEventThenAnimationFrame() {28  await waitForEvent("load", window);29  window.requestAnimationFrame(() => {30    console.log("Animation frame fired");31  });32}33window.waitForEventThenAnimationFrame('load').then(() => {34});35### `waitForEventThenAnimationFrame(eventName: string, options?: WaitForEventThenAnimationFrameOptions): Promise<void>`

Using AI Code Generation

1async function waitForEventThenAnimationFrame() {2  await waitForEvent("load", window);3  window.requestAnimationFrame(() => {4    console.log("Animation frame fired");5  });6}7waitForEventThenAnimationFrame(eventType, target, options)8async function waitForEventThenAnimationFrame() {9  await waitForEvent("load", window);10  window.requestAnimationFrame(() => {11    console.log("Animation frame fired");12  });13}14waitForEventThenAnimationFrame(eventType, target, options)15async function waitForEventThenAnimationFrame() {16  await waitForEvent("load", window);17  window.requestAnimationFrame(() => {18    console.log("Animation frame fired");19  });20}

Using AI Code Generation

1var waitForEventThenAnimationFrame = wpt.waitForEventThenAnimationFrame;2var event = 'load';3var callback = function() {4    console.log('event fired');5};6waitForEventThenAnimationFrame(event, callback);

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