continue;

}

if (arg === "--limit") {

const value = Number(argv[index + 1]);

if (!Number.isInteger(value) || value < 0) {

throw new Error("--limit expects a non-negative integer");

}

limit = value;

limit = readNonNegativeIntArg(argv[index + 1]);

index += 1;

continue;

}

return { help, includeAllowed, json, limit, repoRoot };

}

function readNonNegativeIntArg(raw: string | undefined): number {

if (!raw || raw.startsWith("--") || !/^\d+$/u.test(raw)) {

throw new Error("--limit expects a non-negative integer");

}

const value = Number(raw);

if (!Number.isSafeInteger(value)) {

throw new Error("--limit expects a non-negative integer");

}

return value;

}

function printHelp(): void {

process.stdout.write(`OpenClaw test env mutation report

expect(result.status).toBe(1);

expect(result.stderr).toContain("--repo-root expects a path");

});

it("rejects loose CLI limits before scanning the repository", () => {

for (const limit of ["1e3", ""]) {

const result = spawnSync(

process.execPath,

[

"--import",

"tsx",

path.join(process.cwd(), "scripts/test-env-mutation-report.ts"),

"--",

"--limit",

limit,

"--repo-root",

createTempDir("openclaw-env-limit-"),

],

{

encoding: "utf8",

},

);

expect(result.status).toBe(1);

expect(result.stderr).toContain("--limit expects a non-negative integer");

expect(result.stdout).not.toContain("Scanned files:");

}

});

});