@Test
public void testRequiredOneAS4OptionalTwoMultiProtoclConfiguration() throws Exception {
Capabilities caps = parser.parseConfig(config.configurationAt("Capabilities(9)"));
Iterator<Capability> capIt = caps.getRequiredCapabilities().iterator();
Assert.assertTrue(capIt.hasNext());
AutonomousSystem4Capability as4cap = (AutonomousSystem4Capability) capIt.next();
Assert.assertEquals(256, as4cap.getAutonomousSystem());
Assert.assertFalse(capIt.hasNext());
capIt = caps.getOptionalCapabilities().iterator();
Assert.assertTrue(capIt.hasNext());
MultiProtocolCapability cap = (MultiProtocolCapability) capIt.next();
Assert.assertEquals(AddressFamily.IPv4, cap.getAfi());
Assert.assertEquals(SubsequentAddressFamily.NLRI_UNICAST_FORWARDING, cap.getSafi());
Assert.assertTrue(capIt.hasNext());
cap = (MultiProtocolCapability) capIt.next();
Assert.assertEquals(AddressFamily.IPv6, cap.getAfi());
Assert.assertEquals(SubsequentAddressFamily.NLRI_UNICAST_FORWARDING, cap.getSafi());
Assert.assertFalse(capIt.hasNext());
}
