Function testMixedWriteAndWritev

test/parallel/test-fs-promises-file-handle-writer.js:62–74

()

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

async function testMixedWriteAndWritev() {
  const filePath = path.join(tmpDir, 'writer-mixed.txt');
  const fh = await open(filePath, 'w');
  const w = fh.writer();
  await w.write(Buffer.from('head-'));
  await w.writev([Buffer.from('mid1-'), Buffer.from('mid2-')]);
  await w.write(Buffer.from('tail'));
  const totalBytes = await w.end();
  await fh.close();

  assert.strictEqual(totalBytes, 19);
  assert.strictEqual(fs.readFileSync(filePath, 'utf8'), 'head-mid1-mid2-tail');
}

// =============================================================================
// end() returns totalBytesWritten