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Test Info: Warnings
- This test has a WPT meta file that expects 1 subtest issues.
- This WPT test may be referenced by the following Test IDs:
- /html/canvas/offscreen/layers/2d.layer.invalid-calls.save-beginLayer-restore.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<meta charset="UTF-8">
<title>OffscreenCanvas test: 2d.layer.invalid-calls.save-beginLayer-restore</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<h1>2d.layer.invalid-calls.save-beginLayer-restore</h1>
<p class="desc">Raises exception on save() + beginLayer() + restore().</p>
<script>
test(t => {
var canvas = new OffscreenCanvas(100, 50);
var ctx = canvas.getContext('2d');
assert_throws_dom("INVALID_STATE_ERR", function() {
ctx.save();
ctx.beginLayer();
ctx.restore();
});
}, "Raises exception on save() + beginLayer() + restore().");
</script>