'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); }));