Function testDrainableAfterClose

test/parallel/test-stream-iter-broadcast-coverage.js:127–134

()

// Broadcast drainableProtocol after close returns null
async function testDrainableAfterClose() {
  const { drainableProtocol } = require('stream/iter');
  const { writer } = broadcast();
  writer.endSync();
  const result = writer[drainableProtocol]();
  // After close, desired should be null
  assert.strictEqual(result, null);
}

Promise.all([
  testBroadcastWriteAbort(),