RFR: 8276849: Refresh the window icon on graphics configuration changes [v3]

[Alexey Ivanov]

On Tue, 22 Feb 2022 22:42:31 GMT, Emmanuel Bourg <duke at openjdk.java.net> wrote:

>> test/jdk/java/awt/Window/WindowIconUpdateOnDPIChanging/WindowIconUpdateOnDPIChangingTest.java line 79:
>> 
>>> 77:         SwingUtilities.invokeLater(WindowIconUpdateOnDPIChangingTest::createUI);
>>> 78:         if (!countDownLatch.await(15, TimeUnit.MINUTES)) {
>>> 79:             frame.dispose();
>> 
>> It must be called on EDT.
>> Suggestion:
>> 
>>             SwingUtilities.invokeAndWait(() -> frame.dispose());
>
> That's just a test, do we really need this level of refinement?

Yes, we do. Swing components must be accessed on EDT only, so OpenJDK tests should follow this rule. Someone could use a test as an example for _the correct way_.

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PR: https://git.openjdk.java.net/jdk/pull/6180