// DO NOT EDIT! This test has been generated by tools/gentest.py. // OffscreenCanvas test in a worker:2d.pattern.image.null // 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'); assert_throws(new TypeError(), function() { ctx.createPattern(null, 'repeat'); }); t.done(); }); done();