| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.line.invalid.strokestyle</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/html/canvas/resources/canvas-tests.js"></script> |
| |
| <h1>2d.line.invalid.strokestyle</h1> |
| <p class="desc">Verify correct behavior of canvas on an invalid strokeStyle()</p> |
| |
| |
| <script> |
| var t = async_test("Verify correct behavior of canvas on an invalid strokeStyle()"); |
| 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.strokeStyle = 'rgb(0, 255, 0)'; |
| ctx.strokeStyle = 'nonsense'; |
| ctx.lineWidth = 200; |
| ctx.moveTo(0,100); |
| ctx.lineTo(200,100); |
| ctx.stroke(); |
| var imageData = ctx.getImageData(0, 0, 200, 200); |
| var imgdata = imageData.data; |
| _assert(imgdata[4] == 0, "imgdata[\""+(4)+"\"] == 0"); |
| _assert(imgdata[5] == 255, "imgdata[\""+(5)+"\"] == 255"); |
| _assert(imgdata[6] == 0, "imgdata[\""+(6)+"\"] == 0"); |
| t.done(); |
| |
| }); |
| </script> |