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Andy Wilkinson 2238b0d797 Try to make FileSystemWatcherTests.waitsForQuietPeriod() more robust ... Previously, waitsForQuietPeriod would iterate 10 times, touching a new file and then sleeping for 100ms at it did so. With a quiet period of 200ms, this was intended to result in a single change set containing 10 files. However, the test would fail occasionally as multiple change sets were detected. The test is multi-threaded and is, therefore, at the mercy of the scheduler. If the thread that is iterating and touching the files takes over 200ms to be scheduled – exceeding the watcher's quiet period – the watcher may detect a change set while the changes are still being made. Eliminating this possibilty would require the test to participate in the watcher's synchronization, which would require some changes to its implementation. Instead, this commit aims to avoid the problem by sleeping for 1/10 of the time (10ms) and expecting a single change set of 100 files. The hope is that the much shorter sleep time will result in the file touching thread being scheduled well within the 200ms quiet period. Closes gh-22732		4 years ago
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main	Merge branch '2.1.x' into 2.2.x	5 years ago
test	Try to make FileSystemWatcherTests.waitsForQuietPeriod() more robust	4 years ago