Root cause: premature 'return' from initialization code leaves the hover square visible, even when it should be hidden, as the case is when the color value is not present in the palette.
- added unit tests ------------- Commit messages: - 8324327: ColorPicker shows a white rectangle on clicking on picker Changes: https://git.openjdk.org/jfx/pull/1458/files Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1458&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8324327 Stats: 64 lines in 2 files changed: 52 ins; 6 del; 6 mod Patch: https://git.openjdk.org/jfx/pull/1458.diff Fetch: git fetch https://git.openjdk.org/jfx.git pull/1458/head:pull/1458 PR: https://git.openjdk.org/jfx/pull/1458
