<!DOCTYPE html>
<body>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<script src="../resources/testdriver.js"></script>
<script src="../resources/testdriver-vendor.js"></script>
<script src="file:///gen/layout_test_data/mojo/public/js/mojo_bindings.js"></script>
<script src="file:///gen/mojo/public/mojom/base/unguessable_token.mojom.js"></script>
<script src="file:///gen/third_party/blink/public/mojom/serial/serial.mojom.js"></script>
<script src="resources/serial-test-utils.js"></script>
<script>

promise_test(async () => {
  try {
    let port = await navigator.serial.requestPort({});
    assert_unreached();
  } catch (e) {
    assert_equals(e.code, DOMException.SECURITY_ERR);
  }
}, 'requestPort() rejects without a user gesture');

promise_test(async () => {
  let interceptor =
      new MojoInterfaceInterceptor(blink.mojom.SerialService.name);
  interceptor.oninterfacerequest = e => e.handle.close();
  interceptor.start();

  try {
    await trustedClick();
    let port = await navigator.serial.requestPort({});
    assert_unreached();
  } catch (e) {
    assert_equals(e.code, DOMException.NOT_FOUND_ERR);
  } finally {
    interceptor.stop();
  }
}, 'requestPort() rejects if Mojo service connection fails');

serial_test(async (fake) => {
  try {
    await trustedClick();
    let port = await navigator.serial.requestPort({});
    assert_unreached();
  } catch (e) {
    assert_equals(e.code, DOMException.NOT_FOUND_ERR);
  }
}, 'requestPort() rejects if no port has been selected');

serial_test(async (fake) => {
  let guid = fake.addPort();
  fake.setSelectedPort(guid);

  await trustedClick();
  let port = await navigator.serial.requestPort({});
  assert_true(port instanceof SerialPort);
  // TODO: Assert that product IDs (if provided) are passed through.
}, 'requestPort() returns the selected port');

serial_test(async (fake) => {
  let guid = fake.addPort();
  fake.setSelectedPort(guid);

  await trustedClick();
  let firstPort = await navigator.serial.requestPort({});
  assert_true(firstPort instanceof SerialPort);
  let secondPort = await navigator.serial.requestPort({});
  assert_true(secondPort instanceof SerialPort);
  assert_true(firstPort === secondPort);
}, 'requestPort() returns the same port object every time');

</script>
</body>