| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.imageData.get.zero</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/canvas-tests.js"></script> |
| |
| <h1>2d.imageData.get.zero</h1> |
| <p class="desc">getImageData() throws INDEX_SIZE_ERR if size is zero</p> |
| |
| |
| <script> |
| var t = async_test("getImageData() throws INDEX_SIZE_ERR if size is zero"); |
| t.step(function() { |
| |
| var offscreenCanvas = new OffscreenCanvas(100, 50); |
| var ctx = offscreenCanvas.getContext('2d'); |
| |
| assert_throws("INDEX_SIZE_ERR", function() { ctx.getImageData(1, 1, 10, 0); }); |
| assert_throws("INDEX_SIZE_ERR", function() { ctx.getImageData(1, 1, 0, 10); }); |
| assert_throws("INDEX_SIZE_ERR", function() { ctx.getImageData(1, 1, 0, 0); }); |
| |
| t.done(); |
| |
| }); |
| </script> |
