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Update web-platform-tests to revision 3137d1d2d7757366a69f8a449b458b5057e0e81e
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2339 changed files with 89274 additions and 9328 deletions
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// DO NOT EDIT! This test has been generated by tools/gentest.py.
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// OffscreenCanvas test in a worker:2d.composite.canvas.source-in
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// Description:
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// Note:
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importScripts("/resources/testharness.js");
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importScripts("/common/canvas-tests.js");
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var t = async_test("");
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t.step(function() {
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var offscreenCanvas = new OffscreenCanvas(100, 50);
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var ctx = offscreenCanvas.getContext('2d');
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var offscreenCanvas2 = new OffscreenCanvas(offscreenCanvas.width, offscreenCanvas.height);
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var ctx2 = offscreenCanvas2.getContext('2d');
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var promise = new Promise(function(resolve, reject) {
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var xhr = new XMLHttpRequest();
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xhr.open("GET", '/images/yellow75.png');
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xhr.responseType = 'blob';
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xhr.send();
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xhr.onload = function() {
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resolve(xhr.response);
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};
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});
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promise.then(function(response) {
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ctx2.drawImage(response, 0, 0);
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ctx.fillStyle = 'rgba(0, 255, 255, 0.5)';
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ctx.fillRect(0, 0, 100, 50);
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ctx.globalCompositeOperation = 'source-in';
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ctx.drawImage(offscreenCanvas2, 0, 0);
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_assertPixelApprox(offscreenCanvas, 50,25, 255,255,0,96, "50,25", "255,255,0,96", 5);
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});
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t.done();
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});
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done();
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