Function testDesiredSize

test/parallel/test-stream-iter-push-basic.js:30–43

()

}

async function testDesiredSize() {
  const { writer } = push({ highWaterMark: 3 });

  assert.strictEqual(writer.desiredSize, 3);
  writer.writeSync('a');
  assert.strictEqual(writer.desiredSize, 2);
  writer.writeSync('b');
  assert.strictEqual(writer.desiredSize, 1);
  writer.writeSync('c');
  assert.strictEqual(writer.desiredSize, 0);

  writer.end();
  assert.strictEqual(writer.desiredSize, null);
}

async function testWriterEnd() {
  const { writer, readable } = push();