RFR: JDK-8283087: Create a test or JDK-4715503

[Sergey Bylokhov]

On Mon, 14 Mar 2022 09:28:50 GMT, Srinivas Mandalika <smandalika at openjdk.org> wrote:

> Create a test or [JDK-4715503](https://bugs.openjdk.java.net/browse/JDK-4715503)
> 
> The getAccessibleContext method for JTable column header cells returns an
>  AccessibleContext which cannot get the Bounding Rectangle for table header cells. The Bug causes problems with screen reader review mode.
> 
> The test added verifies that the are not exceptions and Bounding rectangles are returned for the Accessible Table Header Cells.
> 
> This review is for migrating tests from a closed test suite to open.

test/jdk/javax/accessibility/4715503/AccessibleJTableCellBoundingRectangleTest.java line 59:

> 57:                     System.out.println("Column " + i + " Bounds: "
> 58:                         + jTable.getTableHeader().getAccessibleContext().getAccessibleChild(i)
> 59:                         .getAccessibleContext().getAccessibleComponent().getBounds());

Can we add quick validation of the returned value? I assume it at least should not be null.

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PR: https://git.openjdk.java.net/jdk/pull/7807