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