| 17 | const buffer = Buffer.from('Benchmark data.'); |
| 18 | |
| 19 | function main({ n, type }) { |
| 20 | let fd; |
| 21 | let result; |
| 22 | |
| 23 | switch (type) { |
| 24 | case 'valid': |
| 25 | fd = fs.openSync(path, 'r+'); |
| 26 | |
| 27 | bench.start(); |
| 28 | for (let i = 0; i < n; i++) { |
| 29 | result = fs.writevSync(fd, [buffer]); |
| 30 | } |
| 31 | |
| 32 | bench.end(n); |
| 33 | assert.ok(result); |
| 34 | fs.closeSync(fd); |
| 35 | break; |
| 36 | case 'invalid': { |
| 37 | fd = 1 << 30; |
| 38 | let hasError = false; |
| 39 | bench.start(); |
| 40 | for (let i = 0; i < n; i++) { |
| 41 | try { |
| 42 | result = fs.writevSync(fd, [buffer]); |
| 43 | } catch { |
| 44 | hasError = true; |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | bench.end(n); |
| 49 | assert.ok(hasError); |
| 50 | break; |
| 51 | } |
| 52 | default: |
| 53 | throw new Error('Invalid type'); |
| 54 | } |
| 55 | } |