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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.state.saverestore.stackdepth</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.state.saverestore.stackdepth</h1> |
| 9 <p class="desc">save()/restore() stack depth is not unreasonably limited</p> |
| 10 |
| 11 |
| 12 <script> |
| 13 var t = async_test("save()/restore() stack depth is not unreasonably limited"); |
| 14 t.step(function() { |
| 15 |
| 16 var offscreenCanvas = new OffscreenCanvas(100, 50); |
| 17 var ctx = offscreenCanvas.getContext('2d'); |
| 18 |
| 19 var limit = 512; |
| 20 for (var i = 1; i < limit; ++i) |
| 21 { |
| 22 ctx.save(); |
| 23 ctx.lineWidth = i; |
| 24 } |
| 25 for (var i = limit-1; i > 0; --i) |
| 26 { |
| 27 _assertSame(ctx.lineWidth, i, "ctx.lineWidth", "i"); |
| 28 ctx.restore(); |
| 29 } |
| 30 |
| 31 t.done(); |
| 32 |
| 33 }); |
| 34 </script> |
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