GENERAL SETUP FOR TESTCASES
System: Simple Chat/OCSF           Phase: 1

Instructions:                    

1. Install JAVA, minimum release 1.2.0, on Windows 95 or 98, if it is not
already installed. 

2. Install JAVA, minimum release 1.2.0, on Windows NT, if it is not
already installed. 

3. Install JAVA, minimum release 1.2.0, on a Solaris system, if it is not
already installed. 

4. Install the Simple Chat on Windows 95/98, NT and Solaris if it is not
already installed. 


Testcase 1001
System: Simple Chat                Phase: 1
Server startup check
Severity: 1

Instructions:
1. At the console, enter: java EchoServer.

Expected result:
1.  The server reports that it is listening for clients by displaying the
following message:  Server listening for clients on port 5555

Cleanup:
Hit CTRL+C to kill the server.


Testcase 1002
System: Simple Chat                Phase: 1
Client startup check without a server
Severity: 1

Instructions:
1. At the console, enter: java ClientConsole.

Expected result:
1. The client reports it cannot connect by displaying message:
Error: Can't setup connection!  Terminating client.

2. The client terminates.

Cleanup: (if client is still active)
Hit CTRL+C to kill the client.


Testcase 1003
System: Simple Chat                Phase: 1
Client connection with default arguments
Severity: 1

Instructions:

1. Start a server (Testcase 1001, instruction 1)

2. On a different console on the same computer, start a client (Testcase
1002, instruction 1) 

Expected results:
1. The client displays no message and waits for user input.

2. The server displays no message.

Cleanup: (unless proceeding to Testcase 1004)
Hit CTRL+C to kill the client.
Hit CTRL+C to kill the server.


Testcase 1004
System: Simple Chat                Phase: 1
Data transfer and data echo
Severity: 1

Instructions:

1. Start a client and a server on the same computer and connect using
default arguments (Testcase 1003, instruction 1) 

2. When the client is waiting type something into its console and press ENTER.

Expected results:

1. The message is echoed on the client side, but is preceded by a greater
than symbol (">"). 

2. The server displays a message similar to the following:
Message received: <user input> from localhost(127.0.0.1)

Cleanup: (unless proceeding to Testcase 1005)
Hit CTRL+C to kill the client.
Hit CTRL+C to kill the server.


Testcase 1005
System: Simple Chat                Phase: 1
Server termination check
Severity: 1

Instructions:

1. Start a server and a client on the same computer and connect using the
default arguments (Testcase 1003, instruction 1). 

2. Kill the server by pressing CTRL+C.

Expected result:

1. The client waits for input.  Upon receiving input, the client displays
the message "> Could not send message to server. Terminating client."

2. The clients exits.

Cleanup:
Hit CTRL+C to kill the client.


Testcase 1006
System: Simple Chat                Phase: 1
Client termination check
Severity: 1

Instructions:

1. Start a client and a server on the same computer and connect using the
default arguments (Testcase 1003, instruction 1). 
                              
2. Kill the client by pressing CTRL+C.

3. Start another client using the default arguments.

Expected result:

1. The server does not display any message regarding the disconnection,
and then accepts the second connection. 

Cleanup: (unless proceeding to Testcase 1008)
Hit CTRL+C to kill the server.


Testcase 1007
System: Simple Chat                Phase: 1
Multiple client connections and data transfer
Severity: 1

Instructions:
1. Start a server (Testcase 1001, instruction 1).

2. On a different console start a client and connect to the server using
default arguments (Testcase 1003, instruction 1). 

3. Repeat instruction 2 at least 2 more times.

4. Type in data on any of the consoles and press ENTER.

Expected results:
1. Each client connects properly.

2. Every message typed into any one of the consoles is echoed on all of
the client consoles and the server console in the same way as in Testcase
1004.

Cleanup: (Unless proceeding to Testcase 1009)
Hit CTRL+C to kill the server
Hit CTRL+C to kill the clients


Testcase 1008
System: Simple Chat                Phase: 1
Remote connection
Severity: 1

Instructions:
1. Start a server (Testcase 1001, instruction 1).

2. On a different computer's console type java ClientConsole 
where hostname is the name by which the computer running the server is
identified on the network.  The client and server computers should be
running the same OS. 

Expected result:
1. Connection occurs as in Testcase 1003.

Cleanup: (Unless proceeding to Testcase 1010)
Hit CTRL+C to kill the client.
Hit CTRL+C to kill the server.


Testcase 1009
System: Simple Chat                Phase: 1
Data transfer to a remote connection
Severity: 1

Instructions:
1. Start a server (Testcase 1001, instruction 1).

2. Start a remote connection (Testcase 1009, instruction 2).

3. Type data into the client console and press ENTER.

Expected result:
1. The connection occurs as in Testcase 1003.

2. Any data typed is echoed as in Testcase 1004.

Cleanup: (Unless proceeding to Testcase 1011)
Hit CTRL+C to kill the client.
Hit CTRL+C to kill the server.


Testcase 1010
System: Simple Chat                Phase: 1
Multiple remote connections
Severity: 1

Instructions:
1. Start a server (Testcase 1001, instruction 1).

2. Start a remote connection (Testcase 1009, instruction 2).

3. Repeat instruction 2 from different computers.

Expected result:
1. Connections occur as in Testcase 1003.

Cleanup: (Unless proceeding to Testcase 1012)
Hit CTRL+C to kill the clients.
Hit CTRL+C to kill the server.


Testcase 1011
System: Simple Chat                Phase: 1
Data transfer to multiple remote connections
Severity: 1

Instructions:
1. Start a server (Testcase 1001, instruction 1).

2. Start a remote connection (Testcase 1009, instruction 2).

3. Repeat instruction 2 from different computers.

4. Type data on different consoles and press ENTER.

Expected results:
1. Connections occur as in Testcase 1003.

2. Any data typed in is echoed to all the clients as in Testcase 1004.

3. The server displays messages similar to the ones in Testcase 1004.

Cleanup: (Unless proceeding to Testcase 1013)
Hit CTRL+C to kill the clients.
Hit CTRL+C to kill the server.


Testcase 1012
System: Simple Chat                Phase: 1
Server terminating with multiple remote clients
Severity: 1

Instructions:
1. Start a server (Testcase 1001, instruction 1).

2. Start a remote connection (Testcase 1009, instruction 2).

3. Repeat instruction 2 from different computers.

4. Once connections are established, kill the server by hitting CTRL+C.

Expected result:
1. All clients behave the same way as expected in Testcase 1005.

Cleanup:
Hit CTRL+C to kill each client.


Testcase 1013
System: Simple Chat                Phase: 1
Server terminating with multiple local clients
Severity: 1

Instructions:
1. Start a server (Testcase 1001, instruction 1).

2. On a different console on the same computer start a Client and connect
using default arguments (Testcase 1003, instruction 1). 

3. Repeat instruction 2 a few times.

4. Once connections are established, kill the server by hitting CTRL+C.

Expected result:
1. All clients behave the same way as expected in Testcase 1005.

Cleanup:
Hit CTRL+C to kill each client.


Testcase 1014
System: Simple Chat                Phase: 1
Other platform checks
Severity: 1

Instructions:

1. Repeat all the above testcases under other platforms.  Use only one
platform for each test, e.g. do not use a unix machine for the client and
an NT machine for the server.

Expected Result:
1. Same behaviour as all of the above testcases.


Testcase 1015
System: Simple Chat                Phase: 1
Different platforms for the client and servers
Severity: 1

Instructions:
1. Start a server (Testcase 1001, instruction 1).

2. On a computer running a different OS, connect to that server (Testcase
1009, instruction 2). 

3. Exchange data.

4. Repeat instructions 2 and 3, switching operating systems at random.

5. Kill any client.

6. Kill the server.

Expected results:
1. All connections occur the same way as in Testcase 1003.

2. All messages are echoed the same way as expected in Testcase 1004.

3. All messages are displayed on the server console using the same format
as Testcase 1004. 

4. Killing a client has the same effect on all clients and the server as
in Testcase 1007. 

5. Killing the server has the same effect on all clients as in Testcase
1005. 

Cleanup:
1. Hit CTRL+C to kill any remaining clients.


Testcase 1016
System: Simple Chat                Phase: 1
Severity: 1

Instructions:
1. Repeat Testcase 1015 altering the server OS.

Expected results:
1. Same as Testcase 1015.

Cleanup:
1. Hit CTRL+C to kill any remaining clients.