public IcmpV4ParameterProblemPacketTest() {
this.pointer = (byte) 123;
this.unused = 321;
IcmpV4EchoPacket.Builder echob = new IcmpV4EchoPacket.Builder();
echob
.identifier((short) 100)
.sequenceNumber((short) 10)
.payloadBuilder(
new UnknownPacket.Builder().rawData((new byte[] {(byte) 0, (byte) 1, (byte) 2})));
IcmpV4CommonPacket.Builder icmpV4b = new IcmpV4CommonPacket.Builder();
icmpV4b
.type(IcmpV4Type.ECHO)
.code(IcmpV4Code.NO_CODE)
.payloadBuilder(echob)
.correctChecksumAtBuild(true);
IpV4Packet.Builder ipv4b = new IpV4Packet.Builder();
try {
ipv4b
.version(IpVersion.IPV4)
.tos(IpV4Rfc1349Tos.newInstance((byte) 0))
.identification((short) 100)
.ttl((byte) 100)
.protocol(IpNumber.ICMPV4)
.srcAddr(
(Inet4Address)
InetAddress.getByAddress(new byte[] {(byte) 192, (byte) 0, (byte) 2, (byte) 2}))
.dstAddr(
(Inet4Address)
InetAddress.getByAddress(new byte[] {(byte) 192, (byte) 0, (byte) 2, (byte) 1}))
.payloadBuilder(icmpV4b)
.correctChecksumAtBuild(true)
.correctLengthAtBuild(true);
} catch (UnknownHostException e) {
throw new AssertionError();
}
IcmpV4ParameterProblemPacket.Builder b = new IcmpV4ParameterProblemPacket.Builder();
b.pointer(pointer)
.unused(unused)
.payload(IcmpV4Helper.makePacketForInvokingPacketField(ipv4b.build()));
this.packet = b.build();
}
@Test
public void testGetHeader() {
IcmpV4ParameterProblemHeader h = packet.getHeader();
assertEquals(pointer, h.getPointer());
assertEquals(unused, h.getUnused());
IcmpV4ParameterProblemPacket.Builder b = packet.getBuilder();
IcmpV4ParameterProblemPacket p;
b.pointer((byte) 0);
p = b.build();
assertEquals((byte) 0, (byte) p.getHeader().getPointerAsInt());
b.pointer((byte) 50);
p = b.build();
assertEquals((byte) 50, (byte) p.getHeader().getPointerAsInt());
b.pointer((byte) 127);
p = b.build();
assertEquals((byte) 127, (byte) p.getHeader().getPointerAsInt());
b.pointer((byte) -1);
p = b.build();
assertEquals((byte) -1, (byte) p.getHeader().getPointerAsInt());
b.pointer((byte) -128);
p = b.build();
assertEquals((byte) -128, (byte) p.getHeader().getPointerAsInt());
b.unused(0);
p = b.build();
assertEquals(0, p.getHeader().getUnused());
b.unused(1000000);
p = b.build();
assertEquals(1000000, p.getHeader().getUnused());
b.unused(16777215);
p = b.build();
assertEquals(16777215, p.getHeader().getUnused());
b.unused(16777216);
try {
p = b.build();
fail();
} catch (IllegalArgumentException e) {
}
b.unused(-1);
try {
p = b.build();
fail();
} catch (IllegalArgumentException e) {
}
}
