RFR: 8284535 : Fix PrintLatinCJKTest.java test that is failing with Parse Exception [v6]

[Alexey Ivanov]

On Thu, 7 Apr 2022 15:09:27 GMT, lawrence.andrews <duke at openjdk.java.net> wrote:

>> We need a common manual test framework code that can be shared across all the client manual test. This framework class should have the following
>> 1) Frame which contains test instruction .
>> 2) Pass & Fail button so that user can mark the test pass or fail
>> 3) Upon failing the test user should be able to elaborate why the test failed and this can be added to the test failure. 
>> 4) Disposing of all the frames.
>> 
>> @aivanov-jdk
>
> lawrence.andrews has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8284535 : Fix PrintLatinCJKTest.java test that is failing with Parse Exception

test/jdk/java/awt/regtesthelpers/PassFailJFrame.java line 52:

> 50:     private final static CountDownLatch latch = new CountDownLatch(1);
> 51:     private static volatile boolean failed = false;
> 52:     private static volatile boolean timeout = false;

`false` is the default value, so you can skip assigning `false`.

test/jdk/java/awt/regtesthelpers/PassFailJFrame.java line 198:

> 196:      * well as the frame that is added via addTestFrame(Frame frame)
> 197:      */
> 198:     private static void disposeFrames() {

It should be `synchronized` to prevent access to `frameList` from another thread while it's being iterated.

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PR: https://git.openjdk.java.net/jdk/pull/7966