Function testBasicWritev

test/parallel/test-fs-promises-file-handle-writer.js:42–56

()

// =============================================================================

async function testBasicWritev() {
  const filePath = path.join(tmpDir, 'writer-writev.txt');
  const fh = await open(filePath, 'w');
  const w = fh.writer();
  await w.writev([
    Buffer.from('aaa'),
    Buffer.from('bbb'),
    Buffer.from('ccc'),
  ]);
  const totalBytes = await w.end();
  await fh.close();

  assert.strictEqual(totalBytes, 9);
  assert.strictEqual(fs.readFileSync(filePath, 'utf8'), 'aaabbbccc');
}

// =============================================================================
// Mixed write() and writev()