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| Current File : //proc/self/root/home/ubuntu/node-v16.18.1/test/parallel/test-fs-write-sigxfsz.js |
// Check that exceeding RLIMIT_FSIZE fails with EFBIG
// rather than terminating the process with SIGXFSZ.
'use strict';
const common = require('../common');
const tmpdir = require('../common/tmpdir');
const assert = require('assert');
const child_process = require('child_process');
const fs = require('fs');
const path = require('path');
if (common.isWindows)
common.skip('no RLIMIT_FSIZE on Windows');
if (process.config.variables.node_shared)
common.skip('SIGXFSZ signal handler not installed in shared library mode');
if (process.argv[2] === 'child') {
const filename = path.join(tmpdir.path, 'efbig.txt');
tmpdir.refresh();
fs.writeFileSync(filename, '.'.repeat(1 << 16)); // Exceeds RLIMIT_FSIZE.
} else {
const cmd = `ulimit -f 1 && '${process.execPath}' '${__filename}' child`;
const result = child_process.spawnSync('/bin/sh', ['-c', cmd]);
const haystack = result.stderr.toString();
const needle = 'Error: EFBIG: file too large, write';
const ok = haystack.includes(needle);
if (!ok) console.error(haystack);
assert(ok);
assert.strictEqual(result.status, 1);
assert.strictEqual(result.stdout.toString(), '');
}
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