Stabilize and open source a Swing OGL ButtonResizeTest from a closed tonga based suite.
This test verifies that the OpenGL pipeline does not create artifacts with swing components after window is zoomed to maximum size and then resized back to normal.
The test case simulates this operation using a JButton.
A file image of the component will be saved before and after window resize.
The test passes if both button images are the same.
This test is run twice, with and without the flags "-Dsun.java2d.opengl=True -Dsun.java2d.opengl.fbobject=false" .
This is tested(15 times per platform) in all the available mach5 headful platforms and found to be stable.