gecko-dev/layout/inspector/tests/test_bug462789.html

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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=462789
-->
<head>
<title>Test for Bug 462789</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=462789">Mozilla Bug 462789</a>
<p id="display"><iframe id="bug462789_iframe" src="data:text/html,<html><head><style>*{color:black;}</style></head><body>xxx" style="display: none;"></iframe></p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 462789 **/
function do_test() {
const ERROR_INVALID_ARG = 0x80070057;
const DOCUMENT_NODE_TYPE = 9;
var utils = SpecialPowers.Cc["@mozilla.org/inspector/dom-utils;1"]
.getService(SpecialPowers.Ci.inIDOMUtils);
var iframe = document.getElementById("bug462789_iframe");
var docElement = iframe.contentDocument.documentElement;
var body = docElement.children[1];
var rule = iframe.contentDocument.styleSheets[0].cssRules[0];
var text = body.firstChild;
try {
var res = utils.getCSSStyleRules(docElement);
is(res, null, "getCSSStyleRules");
res = utils.getCSSStyleRules(body);
is(res, null, "getCSSStyleRules");
}
catch(e) { ok(false, "got an unexpected exception:" + e); }
try {
var res = utils.getRuleLine(rule);
is(res, 1, "getRuleLine");
}
catch(e) { ok(false, "got an unexpected exception:" + e); }
try {
var res = utils.isIgnorableWhitespace(text);
is(res, false, "isIgnorableWhitespace");
}
catch(e) { ok(false, "got an unexpected exception:" + e); }
try {
var res = utils.getParentForNode(docElement, true);
is(res.nodeType, DOCUMENT_NODE_TYPE, "getParentForNode(docElement, true)");
res = utils.getParentForNode(text, true);
is(res.tagName, "BODY", "getParentForNode(text, true)");
}
catch(e) { ok(false, "got an unexpected exception:" + e); }
try {
var res = utils.getBindingURLs(docElement);
ok(SpecialPowers.call_Instanceof(res, SpecialPowers.Ci["nsIArray"]), "getBindingURLs result type");
is(res.length, 0, "getBindingURLs array length");
}
catch(e) { ok(false, "got an unexpected exception:" + e); }
try {
utils.getContentState(docElement);
ok(true, "Should not throw");
}
catch(e) { ok(false, "Got an exception: " + e); }
try {
utils.setContentState(docElement, false);
ok(false, "expected an exception");
}
catch(e) {
e = SpecialPowers.wrap(e);
is(e.result, ERROR_INVALID_ARG, "got the expected exception");
}
SimpleTest.finish();
}
SimpleTest.waitForExplicitFinish();
addLoadEvent(do_test);
</script>
</pre>
</body>
</html>