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| 1 <!DOCTYPE html> |
| 2 <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> |
| 3 <title>OffscreenCanvas test: 2d.pattern.basic.zerocanvas</title> |
| 4 <script src="/resources/testharness.js"></script> |
| 5 <script src="/resources/testharnessreport.js"></script> |
| 6 <script src="/common/canvas-tests.js"></script> |
| 7 |
| 8 <h1>2d.pattern.basic.zerocanvas</h1> |
| 9 <p class="desc"></p> |
| 10 |
| 11 |
| 12 <script> |
| 13 var t = async_test(""); |
| 14 t.step(function() { |
| 15 |
| 16 var offscreenCanvas = new OffscreenCanvas(100, 50); |
| 17 var ctx = offscreenCanvas.getContext('2d'); |
| 18 |
| 19 offscreenCanvas.width = 0; |
| 20 offscreenCanvas.height = 10; |
| 21 _assertSame(offscreenCanvas.width, 0, "offscreenCanvas.width", "0"); |
| 22 _assertSame(offscreenCanvas.height, 10, "offscreenCanvas.height", "10"); |
| 23 assert_throws("INVALID_STATE_ERR", function() { ctx.createPattern(offscreenCanva
s, 'repeat'); }); |
| 24 offscreenCanvas.width = 10; |
| 25 offscreenCanvas.height = 0; |
| 26 _assertSame(offscreenCanvas.width, 10, "offscreenCanvas.width", "10"); |
| 27 _assertSame(offscreenCanvas.height, 0, "offscreenCanvas.height", "0"); |
| 28 assert_throws("INVALID_STATE_ERR", function() { ctx.createPattern(offscreenCanva
s, 'repeat'); }); |
| 29 offscreenCanvas.width = 0; |
| 30 offscreenCanvas.height = 0; |
| 31 _assertSame(offscreenCanvas.width, 0, "offscreenCanvas.width", "0"); |
| 32 _assertSame(offscreenCanvas.height, 0, "offscreenCanvas.height", "0"); |
| 33 assert_throws("INVALID_STATE_ERR", function() { ctx.createPattern(offscreenCanva
s, 'repeat'); }); |
| 34 |
| 35 t.done(); |
| 36 |
| 37 }); |
| 38 </script> |
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