51 lines
2.0 KiB
Python
51 lines
2.0 KiB
Python
#!/usr/bin/env python3
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"""Check that READ FILE releases its evaluated path expression."""
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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="read-expression-cleanup-", dir=os.environ.get("TMPDIR")) as tmp:
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tmp_path = Path(tmp)
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source = tmp_path / "input.txt"
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source.write_text("hello\n", encoding="utf-8")
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script = tmp_path / "repeated_read.claro"
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quoted = str(source).replace('\\', '\\\\').replace('"', '\\"')
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script.write_text((f'READ FILE "{quoted}" AS contents\n' * 2000) + 'SAY contents\n', 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=c89", "-pedantic-errors", "-Werror=implicit-function-declaration", "-O0", "-g", "-fsanitize=address,undefined",
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"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(
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[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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)
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if run.returncode or "LeakSanitizer" in run.stderr or "SUMMARY:" in run.stderr:
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print("FAIL: repeated READ 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 run.stdout != "hello\n\n":
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print(f"FAIL: unexpected READ FILE output: {run.stdout!r}")
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return 1
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print("PASS: repeated READ 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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