node/test/parallel/test-fs-write-negativeoffse...

52 lines
1.0 KiB
JavaScript

'use strict';
// Tests that passing a negative offset does not crash the process
const common = require('../common');
const {
closeSync,
open,
write,
writeSync,
} = require('fs');
const assert = require('assert');
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
const filename = tmpdir.resolve('test.txt');
open(filename, 'w+', common.mustSucceed((fd) => {
assert.throws(() => {
write(fd, Buffer.alloc(0), -1, common.mustNotCall());
}, {
code: 'ERR_OUT_OF_RANGE',
});
assert.throws(() => {
writeSync(fd, Buffer.alloc(0), -1);
}, {
code: 'ERR_OUT_OF_RANGE',
});
closeSync(fd);
}));
const filename2 = tmpdir.resolve('test2.txt');
// Make sure negative length's don't cause aborts either
open(filename2, 'w+', common.mustSucceed((fd) => {
assert.throws(() => {
write(fd, Buffer.alloc(0), 0, -1, common.mustNotCall());
}, {
code: 'ERR_OUT_OF_RANGE',
});
assert.throws(() => {
writeSync(fd, Buffer.alloc(0), 0, -1);
}, {
code: 'ERR_OUT_OF_RANGE',
});
closeSync(fd);
}));