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* Report invalid \uXXXX escape position at the u character CPython's json decoder reports the position of the `u` specifier when a \uXXXX escape fails to parse, but RustPython was reporting the preceding `\`. For surrogate-pair cases (\uXXXX\uYYYY) the second call was passing char_offset + next_char_i + 1, which lands on the first hex digit of the first escape -- unrelated to the actual failure site. Pass next_char_i (position of the primary `u`) to the primary decode_unicode call, and capture the second `u`'s char index from the next_tuple peek to pass to the surrogate-pair decode_unicode call. Verified: 13 targeted probes across invalid-hex, short, and pair cases now all match CPython positions. test.test_json 214 tests pass with no regressions. * Add regression test for invalid \uXXXX escape position * Use raise AssertionError instead of assert False (B011)
Test snippets
This directory contains two sets of test snippets which can be run in Python.
The snippets/ directory contains functional tests, and the benchmarks/
directory contains snippets for use in benchmarking RustPython's performance.
Setup
Our testing depends on pytest, which you can install using pip.
Running
Simply run pytest -v in this directory, and the tests should run (and hopefully
pass). If it hangs for a long time, that's because it's building RustPython in
release mode, which should take less time than it would to run every test
snippet with RustPython compiled in debug mode.