Function testWritevAsync

test/parallel/test-stream-iter-broadcast-backpressure.js:109–118

()

// Writev async path
async function testWritevAsync() {
  const { writer, broadcast: bc } = broadcast({ highWaterMark: 10 });
  const consumer = bc.push();

  await writer.writev(['hello', ' ', 'world']);
  await writer.end();

  const data = await text(consumer);
  assert.strictEqual(data, 'hello world');
}

// endSync returns the total byte count
async function testEndSyncReturnValue() {