Content - f9b7f3a1fb7f48aafd8eb4075088f0adcd5d22ac - 3bbde56/offscreen-canvas/drawing-images-to-the-canvas/2d.drawImage.wrongtype.html

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Tip revision: e5478286b1bd4e84889619e4c75f017f6021a2d9 authored by Darren Shen on 12 April 2018, 11:59:24 UTC
[css-typed-om] Support offset-rotate.

Tip revision: e547828

2d.drawImage.wrongtype.html

<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.drawImage.wrongtype</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/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");
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>

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