test_id,message_type,field_name,field_type,field_size_bytes,required,position,validation_rule,test_value,expected_result,actual_result,passed,error_code,description
1,HANDSHAKE,version,uint16,2,true,0,"range(1,65535)",1,valid,,true,,"Protocol version field"
2,HANDSHAKE,version,uint16,2,true,0,"range(1,65535)",0,invalid,,true,ERR_VERSION,"Zero version invalid"
3,HANDSHAKE,version,uint16,2,true,0,"range(1,65535)",65535,valid,,true,,"Max version value"
4,HANDSHAKE,client_id,uuid,16,true,2,"uuid_format","550e8400-e29b-41d4-a716-446655440000",valid,,true,,"Valid UUID"
5,HANDSHAKE,client_id,uuid,16,true,2,"uuid_format","invalid-uuid",invalid,,true,ERR_UUID,"Invalid UUID format"
6,HANDSHAKE,timestamp,uint64,8,true,18,"epoch_ms",1699900800000,valid,,true,,"Valid timestamp"
7,HANDSHAKE,timestamp,uint64,8,true,18,"epoch_ms",0,invalid,,true,ERR_TIMESTAMP,"Zero timestamp invalid"
8,HANDSHAKE,flags,uint32,4,false,26,"bitmask(0xFF)",0x01,valid,,true,,"Valid flags"
9,HANDSHAKE,flags,uint32,4,false,26,"bitmask(0xFF)",0x100,invalid,,true,ERR_FLAGS,"Invalid flag bit"
10,HANDSHAKE,checksum,uint32,4,true,30,"crc32",0xABCD1234,valid,,true,,"Valid checksum"
11,AUTH_REQUEST,username_len,uint16,2,true,0,"range(1,64)",10,valid,,true,,"Username length"
12,AUTH_REQUEST,username_len,uint16,2,true,0,"range(1,64)",0,invalid,,true,ERR_LENGTH,"Zero length invalid"
13,AUTH_REQUEST,username_len,uint16,2,true,0,"range(1,64)",65,invalid,,true,ERR_LENGTH,"Exceeds max length"
14,AUTH_REQUEST,username,string,variable,true,2,"printable_ascii","testuser",valid,,true,,"Valid username"
15,AUTH_REQUEST,username,string,variable,true,2,"printable_ascii","user@domain.com",valid,,true,,"Email format username"
16,AUTH_REQUEST,username,string,variable,true,2,"printable_ascii","user\x00name",invalid,,true,ERR_NULL,"Null byte in username"
17,AUTH_REQUEST,password_len,uint16,2,true,variable,"range(1,128)",20,valid,,true,,"Password length"
18,AUTH_REQUEST,password_hash,bytes,32,true,variable,"sha256","a1b2c3...(64 hex chars)",valid,,true,,"Valid password hash"
19,AUTH_REQUEST,nonce,bytes,16,true,variable,"random","random_16_bytes",valid,,true,,"Authentication nonce"
20,AUTH_RESPONSE,status,uint8,1,true,0,"enum(0,1,2,3)",0,valid,,true,,"Success status"
21,AUTH_RESPONSE,status,uint8,1,true,0,"enum(0,1,2,3)",1,valid,,true,,"Failure status"
22,AUTH_RESPONSE,status,uint8,1,true,0,"enum(0,1,2,3)",5,invalid,,true,ERR_ENUM,"Unknown status"
23,AUTH_RESPONSE,session_token,bytes,32,true,1,"random","session_token_32_bytes",valid,,true,,"Session token"
24,AUTH_RESPONSE,expiry,uint64,8,true,33,"epoch_ms_future",1699987200000,valid,,true,,"Token expiry time"
25,AUTH_RESPONSE,user_id,uint64,8,true,41,"non_zero",12345,valid,,true,,"User identifier"
26,MESSAGE,msg_type,uint8,1,true,0,"enum(1-20)",1,valid,,true,,"Text message type"
27,MESSAGE,msg_type,uint8,1,true,0,"enum(1-20)",0,invalid,,true,ERR_TYPE,"Invalid message type"
28,MESSAGE,msg_type,uint8,1,true,0,"enum(1-20)",21,invalid,,true,ERR_TYPE,"Unknown message type"
29,MESSAGE,msg_id,uint64,8,true,1,"unique",1000001,valid,,true,,"Unique message ID"
30,MESSAGE,sender_id,uint64,8,true,9,"valid_user",12345,valid,,true,,"Valid sender ID"
31,MESSAGE,recipient_type,uint8,1,true,17,"enum(0,1,2)",0,valid,,true,,"User recipient"
32,MESSAGE,recipient_type,uint8,1,true,17,"enum(0,1,2)",1,valid,,true,,"Room recipient"
33,MESSAGE,recipient_type,uint8,1,true,17,"enum(0,1,2)",2,valid,,true,,"Broadcast recipient"
34,MESSAGE,recipient_id,uint64,8,true,18,"context_valid",54321,valid,,true,,"Valid recipient ID"
35,MESSAGE,timestamp,uint64,8,true,26,"epoch_ms",1699900800000,valid,,true,,"Message timestamp"
36,MESSAGE,content_len,uint32,4,true,34,"range(1,65535)",256,valid,,true,,"Content length"
37,MESSAGE,content_len,uint32,4,true,34,"range(1,65535)",0,invalid,,true,ERR_LENGTH,"Zero content length"
38,MESSAGE,content,bytes,variable,true,38,"utf8_valid","Hello, World!",valid,,true,,"UTF-8 content"
39,MESSAGE,content,bytes,variable,true,38,"utf8_valid","\xFF\xFE invalid",invalid,,true,ERR_UTF8,"Invalid UTF-8"
40,MESSAGE,flags,uint16,2,false,variable,"bitmask(0xFFFF)",0x0001,valid,,true,,"Encrypted flag"
41,MESSAGE,flags,uint16,2,false,variable,"bitmask(0xFFFF)",0x0002,valid,,true,,"Compressed flag"
42,MESSAGE,flags,uint16,2,false,variable,"bitmask(0xFFFF)",0x0004,valid,,true,,"Priority flag"
43,MESSAGE,checksum,uint32,4,true,variable,"crc32",0xDEADBEEF,valid,,true,,"Message checksum"
44,JOIN_ROOM,room_name_len,uint8,1,true,0,"range(1,64)",12,valid,,true,,"Room name length"
45,JOIN_ROOM,room_name,string,variable,true,1,"alphanumeric_dash","general-chat",valid,,true,,"Valid room name"
46,JOIN_ROOM,room_name,string,variable,true,1,"alphanumeric_dash","room with space",invalid,,true,ERR_FORMAT,"Spaces not allowed"
47,JOIN_ROOM,password_len,uint8,1,false,variable,"range(0,64)",0,valid,,true,,"No password"
48,JOIN_ROOM,password_len,uint8,1,false,variable,"range(0,64)",16,valid,,true,,"With password"
49,JOIN_ROOM,password,bytes,variable,false,variable,"optional","room_password",valid,,true,,"Room password"
50,LEAVE_ROOM,room_id,uint64,8,true,0,"valid_room",10001,valid,,true,,"Valid room ID"
51,CREATE_ROOM,room_name_len,uint8,1,true,0,"range(1,64)",15,valid,,true,,"Room name length"
52,CREATE_ROOM,room_name,string,variable,true,1,"alphanumeric_dash","my-new-room",valid,,true,,"Valid room name"
53,CREATE_ROOM,max_users,uint16,2,false,variable,"range(2,10000)",100,valid,,true,,"Max users limit"
54,CREATE_ROOM,max_users,uint16,2,false,variable,"range(2,10000)",1,invalid,,true,ERR_RANGE,"Below minimum"
55,CREATE_ROOM,is_private,uint8,1,false,variable,"bool(0,1)",1,valid,,true,,"Private room flag"
56,CREATE_ROOM,password_len,uint8,1,false,variable,"range(0,64)",16,valid,,true,,"Password length"
57,CREATE_ROOM,password,bytes,variable,false,variable,"optional","secure_password",valid,,true,,"Room password"
58,ROOM_LIST,filter_type,uint8,1,false,0,"enum(0,1,2)",0,valid,,true,,"All rooms filter"
59,ROOM_LIST,filter_type,uint8,1,false,0,"enum(0,1,2)",1,valid,,true,,"Public only filter"
60,ROOM_LIST,filter_type,uint8,1,false,0,"enum(0,1,2)",2,valid,,true,,"Joined only filter"
61,ROOM_INFO,room_id,uint64,8,true,0,"valid_room",10001,valid,,true,,"Room ID"
62,ROOM_INFO,room_name_len,uint8,1,true,8,"range(1,64)",12,valid,,true,,"Room name length"
63,ROOM_INFO,room_name,string,variable,true,9,"alphanumeric_dash","general",valid,,true,,"Room name"
64,ROOM_INFO,user_count,uint32,4,true,variable,"non_negative",50,valid,,true,,"User count"
65,ROOM_INFO,max_users,uint16,2,true,variable,"positive",1000,valid,,true,,"Max users"
66,ROOM_INFO,created_at,uint64,8,true,variable,"epoch_ms",1699814400000,valid,,true,,"Creation timestamp"
67,USER_LIST,room_id,uint64,8,false,0,"valid_room",10001,valid,,true,,"Room ID for filter"
68,USER_LIST,count,uint32,4,true,variable,"non_negative",25,valid,,true,,"User count"
69,USER_INFO,user_id,uint64,8,true,0,"valid_user",12345,valid,,true,,"User ID"
70,USER_INFO,username_len,uint8,1,true,8,"range(1,64)",10,valid,,true,,"Username length"
71,USER_INFO,username,string,variable,true,9,"printable_ascii","johndoe",valid,,true,,"Username"
72,USER_INFO,status,uint8,1,true,variable,"enum(0,1,2,3)",1,valid,,true,,"Online status"
73,USER_INFO,last_seen,uint64,8,true,variable,"epoch_ms",1699900800000,valid,,true,,"Last seen time"
74,PRESENCE,user_id,uint64,8,true,0,"valid_user",12345,valid,,true,,"User ID"
75,PRESENCE,status,uint8,1,true,8,"enum(0,1,2,3)",0,valid,,true,,"Offline status"
76,PRESENCE,status,uint8,1,true,8,"enum(0,1,2,3)",1,valid,,true,,"Online status"
77,PRESENCE,status,uint8,1,true,8,"enum(0,1,2,3)",2,valid,,true,,"Away status"
78,PRESENCE,status,uint8,1,true,8,"enum(0,1,2,3)",3,valid,,true,,"Busy status"
79,PRESENCE,status,uint8,1,true,8,"enum(0,1,2,3)",4,invalid,,true,ERR_ENUM,"Invalid status"
80,PRESENCE,custom_status_len,uint8,1,false,9,"range(0,128)",20,valid,,true,,"Custom status length"
81,PRESENCE,custom_status,string,variable,false,10,"utf8_valid","In a meeting",valid,,true,,"Custom status text"
82,TYPING,room_id,uint64,8,true,0,"valid_room",10001,valid,,true,,"Room ID"
83,TYPING,user_id,uint64,8,true,8,"valid_user",12345,valid,,true,,"User ID"
84,TYPING,is_typing,uint8,1,true,16,"bool(0,1)",1,valid,,true,,"Typing indicator"
85,TYPING,is_typing,uint8,1,true,16,"bool(0,1)",0,valid,,true,,"Stopped typing"
86,PING,sequence,uint32,4,true,0,"any",12345,valid,,true,,"Ping sequence"
87,PING,timestamp,uint64,8,true,4,"epoch_ms",1699900800000,valid,,true,,"Ping timestamp"
88,PONG,sequence,uint32,4,true,0,"match_ping",12345,valid,,true,,"Pong sequence"
89,PONG,timestamp,uint64,8,true,4,"epoch_ms",1699900800000,valid,,true,,"Original timestamp"
90,PONG,server_time,uint64,8,true,12,"epoch_ms",1699900800100,valid,,true,,"Server timestamp"
91,ERROR,error_code,uint16,2,true,0,"defined_error",1001,valid,,true,,"Known error code"
92,ERROR,error_code,uint16,2,true,0,"defined_error",9999,valid,,true,,"Unknown error code"
93,ERROR,message_len,uint16,2,true,2,"range(0,256)",50,valid,,true,,"Error message length"
94,ERROR,message,string,variable,false,4,"utf8_valid","Connection refused",valid,,true,,"Error message"
95,ERROR,original_msg_id,uint64,8,false,variable,"optional",1000001,valid,,true,,"Original message ref"
96,HEADER,magic,uint32,4,true,0,"equals(0x43484154)",0x43484154,valid,,true,,"Magic number CHAT"
97,HEADER,magic,uint32,4,true,0,"equals(0x43484154)",0x00000000,invalid,,true,ERR_MAGIC,"Invalid magic"
98,HEADER,version,uint8,1,true,4,"range(1,255)",1,valid,,true,,"Protocol version"
99,HEADER,msg_type,uint8,1,true,5,"enum(1-20)",5,valid,,true,,"Message type"
100,HEADER,payload_len,uint32,4,true,6,"range(0,65535)",1024,valid,,true,,"Payload length"