<html>
<script>
// Navigation steps:
// 1- loads this page
// 2- loads this page + hash (doesn't call onload)
// 3- loads a data URL that just navigates back
// 4- loads this page + hash (calls onload, triggering completion)
function navigateToHash(field) {
location.hash = 'hash';
field.value = 'test';
}
function navigateAwayAndBack() {
// Assigning to location does not create a history entry, so
// instead we simulate a link click.
var evt = document.createEvent("MouseEvents");
evt.initMouseEvent("click", true, true, window,
0, 0, 0, 0, 0, false, false, false, false, 0, null);
document.getElementById('anchor').dispatchEvent(evt);
}
function runTestStep() {
var hash = location.hash;
var field = document.getElementById('field');
if (hash == "") {
if (window.testRunner) {
testRunner.dumpAsText();
testRunner.waitUntilDone();
}
// Location changes need to happen outside the onload handler to generate history entries.
setTimeout(function() {
navigateToHash(field);
navigateAwayAndBack();
}, 0);
} else {
document.body.innerHTML = (field.value == '') ? 'FAIL' : 'PASS';
if (window.testRunner)
testRunner.notifyDone();
}
}
</script>
<body onload='runTestStep()' onunload='/*suppress page cache*/'>
<input id='field'></input>
<a id='anchor' href='data:text/html,<body onload="history.back()"></body>'>go away and come back</a>
</body>
</html>