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When executing multiple tests in parallel, each "child" thread would write to the process's standard output buffer immediately upon test completion. Because thread execution order and instruction interleaving is non-deterministic, this made it possible for characters to be emitted out-of-order. When extended to support multiple concurrent threads, the runner was outfitted with a "log lock" dedicated to sharing access to the output file (when applicable). Re-use this lock when writing to standard out, ensuring proper ordering of test result messages.
Test262 is the official ECMAScript (ECMA-262) conformance suite.
Test262 tests conformance to the continually maintained draft future ECMAScript standard found at http://tc39.github.io/ecma262/ , together with any Stage 3 or later TC39 proposals. It is maintained by Gorkem Yakin (@goyakin) with significant contributions from many in the ECMAScript community.
Contributing to Test262
See CONTRIBUTING.md
- Sign the Test262 CLA.
- Send a pull request. Please make sure you have one commit per pull request. If you have multiple commits, squash them before sending the pull request.