'use strict'; test(t => { let packet = new USBIsochronousOutTransferPacket('ok', 42); assert_equals(packet.status, 'ok'); assert_equals(packet.bytesWritten, 42); packet = new USBIsochronousOutTransferPacket('stall'); assert_equals(packet.status, 'stall'); assert_equals(packet.bytesWritten, 0); }, 'Can construct USBIsochronousOutTransferPacket'); test(t => { assert_throws_js(TypeError, () => { new USBIsochronousOutTransferPacket('invalid_status'); }); }, 'Cannot construct USBIsochronousOutTransferPacket with an invalid status'); test(t => { assert_throws_js(TypeError, () => new USBIsochronousOutTransferPacket()); }, 'Cannot construct USBIsochronousOutTransferPacket without a status');