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| Current File : //proc/thread-self/root/home/ubuntu/node-v16.18.1/test/parallel/test-fs-write-buffer-large.js |
'use strict';
const common = require('../common');
const assert = require('assert');
const path = require('path');
const fs = require('fs');
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
// fs.write with length > INT32_MAX
common.skipIf32Bits();
let buf;
try {
buf = Buffer.allocUnsafe(0x7FFFFFFF + 1);
} catch (e) {
// If the exception is not due to memory confinement then rethrow it.
if (e.message !== 'Array buffer allocation failed') throw (e);
common.skip('skipped due to memory requirements');
}
const filename = path.join(tmpdir.path, 'write9.txt');
fs.open(filename, 'w', 0o644, common.mustSucceed((fd) => {
assert.throws(() => {
fs.write(fd,
buf,
0,
0x7FFFFFFF + 1,
0,
common.mustNotCall());
}, {
code: 'ERR_OUT_OF_RANGE',
name: 'RangeError',
message: 'The value of "length" is out of range. ' +
'It must be >= 0 && <= 2147483647. Received 2147483648'
});
fs.closeSync(fd);
}));
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