| // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. |
| // OffscreenCanvas test in a worker:2d.imageData.create2.negative |
| // Description:createImageData(sw, sh) takes the absolute magnitude of the size arguments |
| // Note: |
| |
| importScripts("/resources/testharness.js"); |
| importScripts("/html/canvas/resources/canvas-tests.js"); |
| |
| var t = async_test("createImageData(sw, sh) takes the absolute magnitude of the size arguments"); |
| 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'); |
| |
| var imgdata1 = ctx.createImageData(10, 20); |
| var imgdata2 = ctx.createImageData(-10, 20); |
| var imgdata3 = ctx.createImageData(10, -20); |
| var imgdata4 = ctx.createImageData(-10, -20); |
| _assertSame(imgdata1.data.length, imgdata2.data.length, "imgdata1.data.length", "imgdata2.data.length"); |
| _assertSame(imgdata2.data.length, imgdata3.data.length, "imgdata2.data.length", "imgdata3.data.length"); |
| _assertSame(imgdata3.data.length, imgdata4.data.length, "imgdata3.data.length", "imgdata4.data.length"); |
| t.done(); |
| }); |
| done(); |