third_party/WebKit/LayoutTests/external/wpt/webmessaging/without-ports/011.html - Issue 2558423002: Import wpt/webmessaging tests

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Issue 2558423002: Import wpt/webmessaging tests (Closed)

Patch Set: rebase again Created 3 years, 11 months ago

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	1 <!doctype html>

	2 <title>posting an imagedata (from a cloned canvas) in an array</title>

	3 <script src="/resources/testharness.js"></script>

	4 <script src="/resources/testharnessreport.js"></script>

	5 <div id="log"></div>

	6 <script>

	7 async_test(function() {

	8

	9 var canvas = document.createElement('canvas');

	10 var clone = canvas.cloneNode(true);

	11 var ctx = clone.getContext('2d');

	12 var imagedata = ctx.getImageData(0, 0, 300, 150);

	13 postMessage([imagedata], '*');

	14

	15 onmessage = this.step_func(function(e) {

	16 function processPixels(imagedata) {

	17 var pixeldata = imagedata.data;

	18 for (var i = 0; i < pixeldata.length; i = i+4) {

	19 pixeldata[i] = 128;

	20 assert_equals(pixeldata[i], 128);

	21 }

	22 }

	23 processPixels(e.data[0]);

	24 this.done();

	25 });

	26

	27 });

	28 </script>

	29

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