2d.state.saverestore.stackdepth.html

<!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 canvas = new OffscreenCanvas(100, 50);
  var ctx = canvas.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>

chromium/third_party/blink/web_tests/external/wpt/html/canvas/offscreen/the-canvas-state/2d.state.saverestore.stackdepth.html