SYNOPSIS
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Focus traversal with the SortingFocusTraversalPolicy not working properly with Java 7

OPERATING SYSTEM
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All

FULL JDK VERSION
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Java 7 onwards
Reproducible with latest JDK 8 build (b26)

DESCRIPTION
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Focus traversal with the SortingFocusTraversalPolicy behaves differently in Java 7 vs Java 6, making it impossible to traverse some applications under Java 7.

REPRODUCTION INSTRUCTIONS
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1. Launch the provided testcase (instructions included in the README file)
2. Select "Sorting" traversal policy
3. use TAB to traverse the application components

Observed behaviour:
Focus traversal stops at "ContainerOrderButton", and the ability to traverse the application is lost

Expected behaviour:
Focus should proceed to the "Z-Order" menu and continue with further TAB presses

Notes:
- The behaviour first changed between 7-b19 and 7-b24 (b18 behaves the same as Java 6). In b24, focus traversal stops at ContainerOrderButton, but it starts again if TAB is pressed six times.
- The behaviour changed again (to the current behaviour) in either 7-b69 or 7-b70 - focus traversal stops completely at ContainerOrderButton, no matter how much TAB is pressed.