Function testAutoCloseOnFail

test/parallel/test-fs-promises-file-handle-writer.js:120–131

()

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

async function testAutoCloseOnFail() {
  const filePath = path.join(tmpDir, 'writer-autoclose-fail.txt');
  const fh = await open(filePath, 'w');
  const w = fh.writer({ autoClose: true });
  await w.write(Buffer.from('partial'));
  w.fail(new Error('test fail'));

  // Handle should be closed
  await assert.rejects(fh.stat(), { code: 'EBADF' });
  // Partial data should still be on disk (fail doesn't truncate)
  assert.strictEqual(fs.readFileSync(filePath, 'utf8'), 'partial');
}

// =============================================================================
// start option - write at specified offset