blob: ce2777e1dca02e34f369dbffd5f65672da42fa84 [file] [log] [blame]
<!DOCTYPE html>
<html>
<head>
<script src="../../../resources/js-test-pre.js"></script>
</head/>
<body>
<script>
description("Make sure the same deserialization of the state object is used every time (both in the history object and popstate events).");
window.jsTestIsAsync = true;
if (window.testRunner) {
testRunner.clearBackForwardList();
testRunner.waitUntilDone();
}
shouldBeDefined("history.state");
// Create a new object.
var stateObject = ["a"];
// Use it as the state object in a replaceState. This clones the object.
history.replaceState(stateObject, null, null);
shouldBeTrue("history.state === history.state");
// Since the actual history.state is a structured clone, it should not match our original object.
shouldBeTrue("history.state !== stateObject");
// Now let's refetch a copy of history.state to store;
stateObject = history.state;
// Our reference and the history.state itself should be the same. This is now Adam's original assertion.
shouldBeTrue("history.state === stateObject");
// Now let's do a pushstate to add a history entry.
history.pushState(null, null, null);
// Now add a handler for the popstate event.
var popStateEvent;
window.onpopstate = function(e) {
debug("\nInside popstate event\n");
popStateEvent = e;
// Our stored reference to stateObject will not match the current state object, as it is a structured clone of the history item's state object.
shouldBeTrue("history.state !== stateObject");
// Our stored reference to stateObject will not match the state object in this pop state event, as it is the same as history.state which is a structured clone of the history item's state object.
shouldBeTrue("popStateEvent.state !== stateObject");
// The event's state object and the current state object should match.
shouldBeTrue("popStateEvent.state === history.state");
var s = document.createElement("script");
s.src = "../../../resources/js-test-post.js";
document.body.appendChild(s);
setTimeout(finishJSTest, 0);
}
// Now let's go back to our original history entry which has a state object that we've stored a reference to already.
// This will fire our popstate event handler above.
history.back();
</script>
</body>
</html>