// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. // OffscreenCanvas test in a worker:2d.imageData.get.order.alpha // Description:getImageData() returns A in the fourth component // Note: importScripts("/resources/testharness.js"); importScripts("/html/canvas/resources/canvas-tests.js"); var t = async_test("getImageData() returns A in the fourth component"); var t_pass = t.done.bind(t); var t_fail = t.step_func(function(reason) { throw reason; }); t.step(function() { var canvas = new OffscreenCanvas(100, 50); var ctx = canvas.getContext('2d'); ctx.fillStyle = 'rgba(0, 0, 0, 0.5)'; ctx.fillRect(0, 0, 100, 50); var imgdata = ctx.getImageData(0, 0, 10, 10); _assert(imgdata.data[3] < 200, "imgdata.data[\""+(3)+"\"] < 200"); _assert(imgdata.data[3] > 100, "imgdata.data[\""+(3)+"\"] > 100"); t.done(); }); done();