// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. // OffscreenCanvas test in a worker:2d.gradient.object.return // Description:createLinearGradient() and createRadialGradient() returns objects implementing CanvasGradient // Note: importScripts("/resources/testharness.js"); importScripts("/html/canvas/resources/canvas-tests.js"); var t = async_test("createLinearGradient() and createRadialGradient() returns objects implementing CanvasGradient"); 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'); self.CanvasGradient.prototype.thisImplementsCanvasGradient = true; var g1 = ctx.createLinearGradient(0, 0, 100, 0); _assertDifferent(g1.addColorStop, undefined, "g1.addColorStop", "undefined"); _assertSame(g1.thisImplementsCanvasGradient, true, "g1.thisImplementsCanvasGradient", "true"); var g2 = ctx.createRadialGradient(0, 0, 10, 0, 0, 20); _assertDifferent(g2.addColorStop, undefined, "g2.addColorStop", "undefined"); _assertSame(g2.thisImplementsCanvasGradient, true, "g2.thisImplementsCanvasGradient", "true"); t.done(); }); done();