| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <meta charset="UTF-8"> |
| <title>OffscreenCanvas test: 2d.canvas.context.extraargs.cache</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/html/canvas/resources/canvas-tests.js"></script> |
| |
| <h1>2d.canvas.context.extraargs.cache</h1> |
| <p class="desc">The 2D context doesn't throw with extra getContext arguments (cached)</p> |
| |
| |
| <script> |
| var t = async_test("The 2D context doesn't throw with extra getContext arguments (cached)"); |
| 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'); |
| |
| _assertDifferent(canvas.getContext('2d', false, {}, [], 1, '2'), null, "canvas.getContext('2d', false, {}, [], 1, '2')", "null"); |
| _assertDifferent(canvas.getContext('2d', 123), null, "canvas.getContext('2d', 123)", "null"); |
| _assertDifferent(canvas.getContext('2d', 'test'), null, "canvas.getContext('2d', 'test')", "null"); |
| _assertDifferent(canvas.getContext('2d', undefined), null, "canvas.getContext('2d', undefined)", "null"); |
| _assertDifferent(canvas.getContext('2d', null), null, "canvas.getContext('2d', null)", "null"); |
| _assertDifferent(canvas.getContext('2d', Symbol.hasInstance), null, "canvas.getContext('2d', Symbol.hasInstance)", "null"); |
| t.done(); |
| |
| }); |
| </script> |
