web-platform-tests/webusb/usbIsochronousInTransferPacket.https.html at master · servo-wpt-sync/web-platform-tests · GitHub

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<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
'use strict';

test(t => {
  let data_view = new DataView(Uint8Array.from([1, 2, 3, 4]).buffer);
  let packet = new USBIsochronousInTransferPacket('ok', data_view);
  assert_equals(packet.status, 'ok');
  assert_equals(packet.data.getInt32(0), 16909060);
}, 'Can construct a USBIsochronousInTransferPacket');

test(t => {
  let packet = new USBIsochronousInTransferPacket('stall');
  assert_equals(packet.status, 'stall');
  assert_equals(packet.data, null);

  packet = new USBIsochronousInTransferPacket('stall', null);
  assert_equals(packet.status, 'stall');
  assert_equals(packet.data, null);
}, 'Can construct a USBIsochronousInTransferPacket without a DataView');

test(t => {
  assert_throws(TypeError(), () => {
    new USBIsochronousInTransferPacket('invalid_status');
  });
}, 'Cannot construct USBIsochronousInTransferPacket with an invalid status');

test(t => {
  assert_throws(TypeError(), () => new USBIsochronousInTransferPacket());
}, 'Cannot construct USBIsochronousInTransferPacket without a status');
</script>