| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.imageData.put.wrongtype</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/2dcontext/resources/canvas-tests.js"></script> |
| |
| <h1>2d.imageData.put.wrongtype</h1> |
| <p class="desc">putImageData() does not accept non-ImageData objects</p> |
| |
| |
| <script> |
| var t = async_test("putImageData() does not accept non-ImageData objects"); |
| 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 = { width: 1, height: 1, data: [255, 0, 0, 255] }; |
| assert_throws(new TypeError(), function() { ctx.putImageData(imgdata, 0, 0); }); |
| assert_throws(new TypeError(), function() { ctx.putImageData("cheese", 0, 0); }); |
| assert_throws(new TypeError(), function() { ctx.putImageData(42, 0, 0); }); |
| t.done(); |
| |
| }); |
| </script> |
