[Webkit-unassigned] [Bug 94181] New: Incorrect history.state after navigation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=94181

           Summary: Incorrect history.state after navigation
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
               URL: https://zewt.org/~glenn/test-webkit-incorrect-history-
                    state.html
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: History
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: glenn at zewt.org


Be sure to run this test from a fresh window.  Since it's testing window.history, reloading the page may cause different behavior.

1. Click the "A" button.
2. Click the "B" button.
3. Press browser back.  (The hash is now #A.)
4. Click the "A" button.

"e.state: null history.state: Object" is output to the console.

The correct value is null.  We navigated to a fragment identifier, which results in a new history entry; it has no state object.  history.state ends up with an incorrect value.

Also, when onpopstate is dispatched, e.state and history.state should always be equal; nothing happens between http://www.whatwg.org/specs/web-apps/current-work/#history-traversal steps 11 and 14 that can cause them to be different.

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