Add regression test for STAMP

Signed-off-by: Carmine Scarpitta <carmine.scarpitta@uniroma2.it>

test/scapy/layers/stamp.uts

@@ -0,0 +1,90 @@
+% STAMP regression tests for Scapy
+
+# More information at http://www.secdev.org/projects/UTscapy/
+
+############
+# STAMP
+############
+
++ STAMP tests
+
+= Load module
+
+load_layer("stamp")
+
+= Test STAMP Session-Sender Test (Unauthenticated)
+~ stamp-session-sender-test
+
+created = STAMPSessionSenderTestUnauthenticated(
+    seq=0x1234,
+    ts=NTPTimestamp(seconds=1234, fraction=5678),
+    err_estimate=ErrorEstimate(
+        S=1,
+        Z=0,
+        scale=0x12,
+        multiplier=0x34
+    ),
+    ssid=1357
+)
+assert raw(created) == b'\x00\x00\x12\x34\x00\x00\x04\xD2\x00\x00\x16\x2E\x92\x34\x05\x4D\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
+parsed = STAMPSessionSenderTestUnauthenticated(raw(created))
+assert parsed.seq == 0x1234
+assert parsed.ts.seconds == 1234
+assert parsed.ts.fraction == 5678
+assert parsed.err_estimate.S == 1
+assert parsed.err_estimate.Z == 0
+assert parsed.err_estimate.scale == 0x12
+assert parsed.err_estimate.multiplier == 0x34
+assert parsed.ssid == 1357
+assert parsed.mbz == 0
+assert not parsed.tlv_objects
+
+
+= Test STAMP Session-Reflector Test (Unauthenticated)
+~ stamp-session-reflector-test
+
+created = STAMPSessionReflectorTestUnauthenticated(
+    seq=0x1234,
+    ts=NTPTimestamp(seconds=1234, fraction=5678),
+    err_estimate=ErrorEstimate(
+        S=1,
+        Z=0,
+        scale=0x12,
+        multiplier=0x34
+    ),
+    ssid=1357,
+    ts_rx=NTPTimestamp(seconds=4321, fraction=8765),
+    seq_sender=0x4321,
+    ts_sender=NTPTimestamp(seconds=2143, fraction=6587),
+    err_estimate_sender=ErrorEstimate(
+        S=0,
+        Z=0,
+        scale=0x21,
+        multiplier=0x43
+    ),
+    ttl_sender=111
+)
+assert raw(created) == b'\x00\x00\x12\x34\x00\x00\x04\xD2\x00\x00\x16\x2E\x92\x34\x05\x4D\x00\x00\x10\xE1\x00\x00\x22\x3D\x00\x00\x43\x21\x00\x00\x08\x5F\x00\x00\x19\xBB\x21\x43\x00\x00\x6F\x00\x00\x00'
+parsed = STAMPSessionReflectorTestUnauthenticated(raw(created))
+assert parsed.seq == 0x1234
+assert parsed.ts.seconds == 1234
+assert parsed.ts.fraction == 5678
+assert parsed.err_estimate.S == 1
+assert parsed.err_estimate.Z == 0
+assert parsed.err_estimate.scale == 0x12
+assert parsed.err_estimate.multiplier == 0x34
+assert parsed.ssid == 1357
+assert parsed.ts_rx.seconds == 4321
+assert parsed.ts_rx.fraction == 8765
+assert parsed.seq_sender == 0x4321
+assert parsed.ts_sender.seconds == 2143
+assert parsed.ts_sender.fraction == 6587
+assert parsed.err_estimate_sender.S == 0
+assert parsed.err_estimate_sender.Z == 0
+assert parsed.err_estimate_sender.scale == 0x21
+assert parsed.err_estimate_sender.multiplier == 0x43
+assert parsed.mbz1 == 0
+assert parsed.ttl_sender == 111
+assert parsed.mbz2 == 0
+assert not parsed.tlv_objects
+