| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.state.saverestore.stackdepth</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/html/canvas/resources/canvas-tests.js"></script> |
| |
| <h1>2d.state.saverestore.stackdepth</h1> |
| <p class="desc">save()/restore() stack depth is not unreasonably limited</p> |
| |
| |
| <script> |
| var t = async_test("save()/restore() stack depth is not unreasonably limited"); |
| 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 limit = 512; |
| for (var i = 1; i < limit; ++i) |
| { |
| ctx.save(); |
| ctx.lineWidth = i; |
| } |
| for (var i = limit-1; i > 0; --i) |
| { |
| _assertSame(ctx.lineWidth, i, "ctx.lineWidth", "i"); |
| ctx.restore(); |
| } |
| t.done(); |
| |
| }); |
| </script> |
