Function testDrainableNull

test/parallel/test-stream-iter-writable-interop.js:414–420

()

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

function testDrainableNull() {
  const writable = new Writable({ write(chunk, enc, cb) { cb(); } });
  const writer = fromWritable(writable);

  writable.destroy();
  assert.strictEqual(ondrain(writer), null);
}

// =============================================================================
// Error propagation: write after end rejects