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<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=742191
-->
<head>
<meta charset="utf-8">
<title>Test for invalid argument object</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=742191">Mozilla Bug 742191</a>
<p id="display"></p>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 742191 **/
function doTest() {
var gotTypeError = false;
var ctx = document.createElement("canvas").getContext("2d");
try {
ctx.drawImage({}, 0, 0);
} catch(e) {
if (e instanceof TypeError) {
gotTypeError = true;
}
}
ok(gotTypeError, "passing an invalid argument should cause a type error!");
}
doTest();
</script>
</pre>
</body>
</html>