Function write

test/parallel/test-whatwg-writablestream.js:163–169

(stream)

  );

  async function write(stream) {
    const writer = stream.getWriter();
    const p = writer.write('hello');
    assert.strictEqual(writer.desiredSize, 0);
    await p;
    assert.strictEqual(writer.desiredSize, 1);
  }

  write(stream).then(common.mustCall(() => {
    assert.deepStrictEqual(['hello'], sink.chunks);