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<html>
<head>
<title>Selectors and Shadow Scopes</title>
<style>
input[type=range] {
-webkit-appearance: none;
}
</style>
<script>
if (window.testRunner)
testRunner.dumpAsText();
var head;
var input;
var logDiv;
var SELECTOR_TEST_PROPERTIES = ' { height: 1px; -webkit-appearance: none; }';
// convenience constants
var MATCH = true;
var NO_MATCH = false;
function log(msg, success)
{
logDiv.appendChild(document.createElement('div')).innerHTML = msg + ': ' + (success ? 'PASS' : 'FAIL');
}
function runSelectorTest(matchExpected, selector)
{
var style = document.createElement('style');
style.textContent = selector + SELECTOR_TEST_PROPERTIES;
head.appendChild(style);
var matched = input.offsetHeight == 1;
log('<code>' + selector + '</code> <strong>should' + (matchExpected ? '' : ' not') + '</strong> match', matchExpected ? matched : !matched);
head.removeChild(style);
}
function runTest()
{
head = document.getElementsByTagName('head')[0];
input = document.getElementsByTagName('input')[0];
logDiv = document.getElementById('log');
runSelectorTest(NO_MATCH, 'div');
runSelectorTest(NO_MATCH, '*');
runSelectorTest(NO_MATCH, 'body *');
document.body.removeChild(input);
}
</script>
</head>
<body onload="runTest()">
<p>Tests whether and how selectors cross shadow DOM scopes.</p>
<input id="foo" class="bar" style="height:auto" type="range">
<div id="log"></div>
</body>
</html>
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