test: add test for effect of UV_THREADPOOL_SIZE - #49165
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This (not particularly elegant) native addon tests the effect of UV_THREADPOOL_SIZE on node-api. The test fails if Node.js allows more than UV_THREADPOOL_SIZE async tasks to run concurrently, or if it limits the number of concurrent async tasks to anything less than UV_THREADPOOL_SIZE.
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cc @nodejs/cpp-reviewers @nodejs/libuv |
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This works perfectly. I've tested it with the |
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This (not particularly elegant) native addon tests the effect of UV_THREADPOOL_SIZE on node-api. The test fails if Node.js allows more than UV_THREADPOOL_SIZE async tasks to run concurrently, or if it limits the number of concurrent async tasks to anything less than UV_THREADPOOL_SIZE. PR-URL: #49165 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
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This (not particularly elegant) native addon tests the effect of
UV_THREADPOOL_SIZEon node-api. The test fails if Node.js allows more thanUV_THREADPOOL_SIZEasync tasks to run concurrently, or if it limits the number of concurrent async tasks to anything less thanUV_THREADPOOL_SIZE.The test schedules
UV_THREADPOOL_SIZE + 1async tasks and waits untilUV_THREADPOOL_SIZEtasks are running concurrently. (If this never happens, the test times out.) AllUV_THREADPOOL_SIZEtasks then wait for a second to see if the last task also starts running concurrently, which should not happen.Admittedly, I hastily put this together and the code is sloppy. While having this test is good in any case, the main motivation is such that @anonrig can invoke the test from his own test in #48890.