Function test

test/parallel/test-whatwg-transformstream.js:71–81

(stream)

  const stream = new TransformStream();

  async function test(stream) {
    const writer = stream.writable.getWriter();
    const reader = stream.readable.getReader();

    const { 1: result } = await Promise.all([
      writer.write('hello'),
      reader.read(),
    ]);

    assert.strictEqual(result.value, 'hello');
  }

  test(stream).then(common.mustCall());
}