Does OXC pass all TC39 tests?

[DavidHancu]

As the title says, does it pass all tests from tc39/test262?

[Dunqing]

The oxc parser passed 45859 tests and still has 4 negative tests failed. You can check it on our snapshot

[Boshen]

https://github.com/oxc-project/oxc/blob/test-visit/tasks/coverage/parser_test262.snap

parser_test262 Summary:

AST Parsed     : 45859/45859 (100.00%)
Positive Passed: 45859/45859 (100.00%)
Negative Passed: 3925/3929 (99.90%)
Expect Syntax Error: "language/import/import-assertions/json-invalid.js"
Expect Syntax Error: "language/import/import-assertions/json-named-bindings.js"
Expect Syntax Error: "language/import/import-attributes/json-invalid.js"
Expect Syntax Error: "language/import/import-attributes/json-named-bindings.js"

We can parse all test262 tests. The 4 "Expect Syntax Error" requires module resolution so is not done yet.

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https://github.com/oxc-project/oxc/blob/test-visit/tasks/coverage/codegen_runtime_test262.snap

This shows our passed runtime tests, all failing cases are due to misconfigured environment.

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@DavidHancu What do you need this information for?

[DavidHancu]

I'm trying to decide whether to use SWC or OXC for my project.

[Boshen]

Cool, feel free to ask more questions in our discord https://discord.gg/9uXCAwqQZW