test: add a basic example of some coverage-guided fuzzing test

test/fuzz/fuzz_asn1rt.py

@@ -0,0 +1,24 @@
+#!/usr/bin/env python3
+
+from pycrate_asn1dir    import TCAP_MAPv2v3
+#
+from pycrate_core       import utils
+from pycrate_core       import charpy
+from pycrate_asn1rt     import err
+#
+from pythonfuzz.main import PythonFuzz
+
+
+@PythonFuzz
+def fuzz(buf):
+    buf = bytes(buf)
+    try:
+        M = TCAP_MAPv2v3.TCAP_MAP_Messages.TCAP_MAP_Message
+        M.from_ber(buf)
+        #r = M.to_asn1()
+    except utils.PycrateErr:
+        pass
+
+if __name__ == '__main__':
+    fuzz()
+