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<script>
onload = function() {
if (location.search.substring(1).length == 0) {
sessionStorage.testStage = 0;
if (window.testRunner) {
testRunner.dumpAsText();
testRunner.clearBackForwardList();
testRunner.waitUntilDone();
}
}
// Location changes need to happen outside the onload handler to generate history entries.
setTimeout(function() {
// This test advances history by 2 pages, then navigates back one, and
// records history.length. We expect history.length to indicate the total
// length of session history. At the end of the test, it should be 2 greater
// than it was at the start of the test.
switch (sessionStorage.testStage++) {
case 0:
sessionStorage.initialLength = history.length;
location = "?a";
break;
case 1:
location = "?b";
break;
case 2:
history.back();
break;
case 3:
if (history.length == (sessionStorage.initialLength - 0) + 2)
document.body.innerHTML = "PASS";
else
document.body.innerHTML = "FAIL: initialLength=" + sessionStorage.initialLength + ", history.length=" + history.length;
if (window.testRunner)
testRunner.notifyDone();
break;
}
}, 0);
}
onunload = function() {
// disable page cache
}
</script>
<body></body>
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