// DO NOT EDIT! This test has been generated by tools/gentest.py. // OffscreenCanvas test in a worker:2d.imageData.create1.initial // Description:createImageData(imgdata) returns transparent black data of the right size // Note: importScripts("/resources/testharness.js"); importScripts("/common/canvas-tests.js"); var t = async_test("createImageData(imgdata) returns transparent black data of the right size"); t.step(function() { var offscreenCanvas = new OffscreenCanvas(100, 50); var ctx = offscreenCanvas.getContext('2d'); ctx.fillStyle = '#0f0'; ctx.fillRect(0, 0, 100, 50); var imgdata1 = ctx.getImageData(0, 0, 10, 20); var imgdata2 = ctx.createImageData(imgdata1); _assertSame(imgdata2.data.length, imgdata1.data.length, "imgdata2.data.length", "imgdata1.data.length"); _assertSame(imgdata2.width, imgdata1.width, "imgdata2.width", "imgdata1.width"); _assertSame(imgdata2.height, imgdata1.height, "imgdata2.height", "imgdata1.height"); var isTransparentBlack = true; for (var i = 0; i < imgdata2.data.length; ++i) if (imgdata2.data[i] !== 0) isTransparentBlack = false; _assert(isTransparentBlack, "isTransparentBlack"); t.done(); }); done();