> This PR removes unrelated `stderr` output in the headless test logs by > redirecting it to an in-memory buffer. Exceptions found in the buffer can be > checked against the expected list. > > In the case when any mismatch is detected, whether the type or the number of > exceptions of particular type, the accumulated buffer gets dumped to `stderr` > and the test fails. > > ## How To > > To redirect stderr and later check the exceptions, surround your code with > > `OutputRedirect.suppressStderr()` and either `OutputRedirect.checkStderr()` > or `OutputRedirect.checkAndRestoreStderr()` (ideally, in the `finally` block). > > To simply undo redirection, without checking, call > `OutputRedirect.restoreStderr()`. > > To add the check to all the tests in the file, one can call the above > mentioned methods inside `@BeforeEach` and `@AfterEach`. > > ## Changes > > - added `OutputRedirect` facility > > ## Miscellaneous > > `ErrorLoggingUtiltity` name will be fixed in a followup > https://bugs.openjdk.org/browse/JDK-8367995
Andy Goryachev has updated the pull request incrementally with one additional commit since the last revision: run and wait ------------- Changes: - all: https://git.openjdk.org/jfx/pull/1897/files - new: https://git.openjdk.org/jfx/pull/1897/files/3ed81350..734c2619 Webrevs: - full: https://webrevs.openjdk.org/?repo=jfx&pr=1897&range=10 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=1897&range=09-10 Stats: 110 lines in 1 file changed: 40 ins; 44 del; 26 mod Patch: https://git.openjdk.org/jfx/pull/1897.diff Fetch: git fetch https://git.openjdk.org/jfx.git pull/1897/head:pull/1897 PR: https://git.openjdk.org/jfx/pull/1897
