> **Issue**
> java/awt/Desktop/MailTest.java fails in platforms where Action.MAIL is not 
> supported
> 
> **Reason**
> In `MailTest.java`, there is a condition check(`if 
> (!desktop.isSupported(Desktop.Action.MAIL))`) which will force pass the test 
> if the corresponding 'Action' is not supported by the platform. But, 
> apparently, this is not working good and the code flow went past this and 
> fails in desktop.mail() method with an UnsupportedOperationException. 
> 
> **Fix**
> Even though we are calling `PassFailJFrame.forcePass()` if the 'Action.MAIL' 
> is unsupported, the PassFailJFrame just count downs a latch and the actual 
> action will be taken later only(in `awaitAndCheck()`). But at the meantime, 
> the desktop.mail() call gets executed in the constructor of MailTest() and it 
> will result in an UnsupportedOperationException. So, the fix is to return 
> from the constructor immediately if the operation is 'unsupported'.
> 
> **Testing**
> This is a manual test, so it is tested locally and found to be working fine.

Manukumar V S has updated the pull request incrementally with one additional 
commit since the last revision:

  Review comments fixed : Removed unwanted variable, made the error message 
inline

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/24072/files
  - new: https://git.openjdk.org/jdk/pull/24072/files/502d659b..650f5885

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24072&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24072&range=01-02

  Stats: 7 lines in 1 file changed: 0 ins; 3 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/24072.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24072/head:pull/24072

PR: https://git.openjdk.org/jdk/pull/24072

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