RFR: 8354561: Open source several swing tests batch0

[Tejesh R]

On Wed, 16 Apr 2025 10:09:48 GMT, Alexander Zvegintsev <azvegint at openjdk.org> wrote:

> Few more tests open sourced:
> 
> javax/swing/JTextArea/4474400/bug4474400.java
> javax/swing/border/TitledBorder/TransparentTitleTest.java
> javax/swing/JComboBox/4139900/bug4139900.java
> javax/swing/JComboBox/4174876/bug4174876.java

test/jdk/javax/swing/JComboBox/bug4139900.java line 107:

> 105:         };
> 106: 
> 107:         button.addActionListener( actionListener );

Suggestion:

        button.addActionListener(actionListener);

test/jdk/javax/swing/JComboBox/bug4174876.java line 26:

> 24: /*
> 25:  * @test
> 26:  * @bug 4174876

Test summary is missing.

test/jdk/javax/swing/JComboBox/bug4474400.java line 59:

> 57: 
> 58:     private static JComponent createTestUI() {
> 59:         JTextArea textArea;

Can be defined and initialised where its used.

test/jdk/javax/swing/border/TransparentTitleTest.java line 66:

> 64:         JFrame frame = new JFrame("TransparentTitleTest");
> 65: 
> 66:         frame.setLayout(new GridLayout(3,6,5,5));

Suggestion:

        frame.setLayout(new GridLayout(3, 6, 5, 5));

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PR Review Comment: https://git.openjdk.org/jdk/pull/24680#discussion_r2047036528
PR Review Comment: https://git.openjdk.org/jdk/pull/24680#discussion_r2047038295
PR Review Comment: https://git.openjdk.org/jdk/pull/24680#discussion_r2047043354
PR Review Comment: https://git.openjdk.org/jdk/pull/24680#discussion_r2047046646