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<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.canvas.context.extraargs.cache</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<h1>2d.canvas.context.extraargs.cache</h1>
<p class="desc">The 2D context doesn't throw with extra getContext arguments (cached)</p>
<script>
var t = async_test("The 2D context doesn't throw with extra getContext arguments (cached)");
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');
_assertDifferent(canvas.getContext('2d', false, {}, [], 1, "2"), null, "canvas.getContext('2d', false, {}, [], 1, \"2\")", "null");
_assertDifferent(canvas.getContext('2d', 123), null, "canvas.getContext('2d', 123)", "null");
_assertDifferent(canvas.getContext('2d', "test"), null, "canvas.getContext('2d', \"test\")", "null");
_assertDifferent(canvas.getContext('2d', undefined), null, "canvas.getContext('2d', undefined)", "null");
_assertDifferent(canvas.getContext('2d', null), null, "canvas.getContext('2d', null)", "null");
_assertDifferent(canvas.getContext('2d', Symbol.hasInstance), null, "canvas.getContext('2d', Symbol.hasInstance)", "null");
t.done();
});
</script>
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