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2d.drawImage.wrongtype.html
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2d.drawImage.wrongtype.html
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<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.drawImage.wrongtype</title>
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/2dcontext/resources/canvas-tests.js"></script>
<h1>2d.drawImage.wrongtype</h1>
<p class="desc">Incorrect image types in drawImage do not match any defined overloads, so WebIDL throws a TypeError</p>
<script>
var t = async_test("Incorrect image types in drawImage do not match any defined overloads, so WebIDL throws a TypeError");
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');
assert_throws(new TypeError(), function() { ctx.drawImage(undefined, 0, 0); });
assert_throws(new TypeError(), function() { ctx.drawImage(0, 0, 0); });
assert_throws(new TypeError(), function() { ctx.drawImage("", 0, 0); });
t.done();
});
</script>