| // 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(); |