gecko-dev/dom/base/test/test_bug719533.html

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HTML

<!doctype html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=719544
-->
<title>Test for Bug 719544</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=719544">Mozilla Bug 719544</a>
<script>
/** Test for Bug 719544 **/
var threw = false;
var origLength = document.childNodes.length;
try {
var range = document.createRange();
range.selectNodeContents(document);
range.extractContents();
} catch(e) {
threw = true;
is(Object.getPrototypeOf(e), DOMException.prototype,
"Must throw DOMException");
is(e.name, "HierarchyRequestError", "Must throw HierarchyRequestError");
}
ok(threw, "Must throw");
is(document.childNodes.length, origLength, "Must preserve original children");
</script>