Files
Claro/tools/validate_copy_move_expression_cleanup.py

49 lines
1.8 KiB
Python

#!/usr/bin/env python3
"""Regression check for COPY/MOVE FILE expression temporary ownership."""
from pathlib import Path
import os
import subprocess
import tempfile
ROOT = Path(__file__).resolve().parent.parent
def main() -> int:
if os.name == "nt":
print("SKIP: LeakSanitizer check is POSIX-only")
return 0
with tempfile.TemporaryDirectory(prefix="claro-copy-move-cleanup-") as tmp:
tmp_path = Path(tmp)
binary = tmp_path / "claro-lsan"
script = tmp_path / "copy_move_expressions.claro"
(tmp_path / "copy-source.txt").write_text("sample", encoding="utf-8")
script.write_text(
('COPY FILE "copy-source.txt" TO "copy-destination.txt"\n'
'MOVE FILE "copy-destination.txt" TO "copy-source.txt"\n') * 1000,
encoding="utf-8",
)
build = subprocess.run(
["gcc", "-std=c99", "-O0", "-g", "-fsanitize=address,undefined",
"src/claro.c", "-o", str(binary), "-lm"],
cwd=ROOT, text=True, capture_output=True,
)
if build.returncode:
print(build.stdout, end="")
print(build.stderr, end="")
return build.returncode
run = subprocess.run(
[str(binary), str(script)], cwd=tmp_path, text=True, capture_output=True,
env={**os.environ, "ASAN_OPTIONS": "detect_leaks=1"},
)
if run.returncode or "LeakSanitizer" in run.stderr or "SUMMARY:" in run.stderr:
print("FAIL: COPY/MOVE FILE expression values still leak")
print(run.stdout, end="")
print(run.stderr, end="")
return 1
print("PASS: COPY/MOVE FILE expression values are released")
return 0
if __name__ == "__main__":
raise SystemExit(main())