| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.imageData.object.undefined</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/2dcontext/resources/canvas-tests.js"></script> |
| |
| <h1>2d.imageData.object.undefined</h1> |
| <p class="desc">ImageData.data converts undefined to 0</p> |
| |
| |
| <script> |
| var t = async_test("ImageData.data converts undefined to 0"); |
| var t_pass = t.done.bind(t); |
| var t_fail = t.step_func(function(reason) { |
| throw reason; |
| }); |
| t.step(function() { |
| |
| var offscreenCanvas = new OffscreenCanvas(100, 50); |
| var ctx = offscreenCanvas.getContext('2d'); |
| |
| var imgdata = ctx.getImageData(0, 0, 10, 10); |
| imgdata.data[0] = 100; |
| imgdata.data[0] = undefined; |
| _assertSame(imgdata.data[0], 0, "imgdata.data[\""+(0)+"\"]", "0"); |
| t.done(); |
| |
| }); |
| </script> |
