47 lines
1.9 KiB
Python
47 lines
1.9 KiB
Python
#!/usr/bin/env python3
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"""Check WRITE FILE releases evaluated path and content values."""
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from pathlib import Path
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import os
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import subprocess
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import sys
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import tempfile
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ROOT = Path(__file__).resolve().parent.parent
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def main() -> int:
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if os.name == "nt":
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print("SKIP: LeakSanitizer check is POSIX-only")
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return 0
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with tempfile.TemporaryDirectory(prefix="write-expression-cleanup-", dir=os.environ.get("TMPDIR")) as tmp:
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tmp_path = Path(tmp)
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target = tmp_path / "output.txt"
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script = tmp_path / "repeated_write.claro"
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path = str(target).replace('\\', '\\\\').replace('"', '\\"')
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script.write_text((f'WRITE FILE "{path}" WITH "hello"\n' * 2000), encoding="utf-8")
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binary = tmp_path / "claro-asan"
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build = subprocess.run(
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["gcc", "-std=c99", "-O0", "-g", "-fsanitize=address,undefined", "src/claro.c", "-o", str(binary), "-lm"],
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cwd=ROOT, text=True, capture_output=True,
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)
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if build.returncode:
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print(build.stdout, end="")
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print(build.stderr, end="", file=sys.stderr)
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return build.returncode
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run = subprocess.run([str(binary), str(script)], cwd=ROOT, text=True, capture_output=True,
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env={**os.environ, "ASAN_OPTIONS": "detect_leaks=1"})
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if run.returncode or "LeakSanitizer" in run.stderr or "SUMMARY:" in run.stderr:
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print("FAIL: repeated WRITE FILE expressions retain allocations")
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print(run.stdout, end="")
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print(run.stderr, end="", file=sys.stderr)
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return 1
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if target.read_text(encoding="utf-8") != "hello":
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print("FAIL: WRITE FILE output changed")
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return 1
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print("PASS: repeated WRITE FILE expressions release temporary values")
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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