// DO NOT EDIT! This test has been generated by tools/gentest.py. // OffscreenCanvas test in a worker:2d.gradient.interpolate.colouralpha // Description: // Note: importScripts("/resources/testharness.js"); importScripts("/common/canvas-tests.js"); var t = async_test(""); t.step(function() { var offscreenCanvas = new OffscreenCanvas(100, 50); var ctx = offscreenCanvas.getContext('2d'); var g = ctx.createLinearGradient(0, 0, 100, 0); g.addColorStop(0, 'rgba(255,255,0, 0)'); g.addColorStop(1, 'rgba(0,0,255, 1)'); ctx.fillStyle = g; ctx.fillRect(0, 0, 100, 50); _assertPixelApprox(offscreenCanvas, 25,25, 190,190,65,65, "25,25", "190,190,65,65", 3); _assertPixelApprox(offscreenCanvas, 50,25, 126,126,128,128, "50,25", "126,126,128,128", 3); _assertPixelApprox(offscreenCanvas, 75,25, 62,62,192,192, "75,25", "62,62,192,192", 3); t.done(); }); done();