[Webkit-unassigned] [Bug 171792] New: [GTK] Test cases for typehead in form menu lists should start from known state

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=171792

            Bug ID: 171792
           Summary: [GTK] Test cases for typehead in form menu lists
                    should start from known state
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: aperez at igalia.com
                CC: bugs-noreply at webkitgtk.org

See bug #171492 for details, in particular this comment:

  https://bugs.webkit.org/show_bug.cgi?id=171492#c2

The TL;DR is:

  * The “testTypeAheadFunction()“ function doesn't set an initial
    state: the result each call is dependent on the state in which
    previous calls left the element.

  * The fix for bug #170680 introduced pre-selection of the active
    element when the popup menu appears, to mimic the behavior of
    GtkComboBox.

    Before, when popping up the menu, the type-ahead search (which
    is implemented in GTK+) would always start from the beginning of
    the list. Now that we tell GTK+ to preactivate an item, it does
    not and the layout test breaks.

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