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Luan Taraschi
003307131f
append and appendleft trimmed before pushing, and the test they used,
maxlen == len, holds for an empty deque whose bound is zero. The pop then
had nothing to remove and the item stayed:
>>> d = deque(maxlen=0)
>>> d.append(1)
>>> list(d)
[1]
Both now push first and trim after, which is the order CPython uses, so a
bound of zero drops what just arrived. extend, extendleft, insert, rotate,
the operators and the constructor were already right.
Assisted-by: Claude Code:claude-opus-5
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.