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AtsGtpv2C_TestCases.ttcn

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		/**
		* @author ETSI/STF498
		* @version $Url$
		* $Id$
		* @dec Testcases module for INT GTPv2-C protocol
		*/
		module AtsGtpv2C_TestCases {

		// Libcommon
		import from LibCommon_BasicTypesAndValues all;
		import from LibCommon_DataStrings all;
		import from LibCommon_Time all;
		import from LibCommon_VerdictControl all;
		import from LibCommon_Sync all;

		// LibGtpv2C
		import from LibGtpv2C_TestSystem all;
		import from LibGtpv2C_Pics all;
		import from LibGtpv2C_Configuration all;
		import from LibGtpv2C_MME_Functions all;
		import from LibGtpv2C_SGW_Functions all;

		/**
		* @desc This group contains all test case for IUT acting as a MME
		*/
		group mmeRole {

		/**
		* @desc This group contains all test case for IUT acting as a MME
		* @see ETSI TS 103 202-2 V0.0.2 (2014-03), clause 5.2.1
		*/
		group pathManagement {

		/**
		* @desc Verify the successful answering of Echo Request with Echo Response
		* <pre>
		* Pics Selection: PICS_S11_IUT_IS_MME and PICS_ECHO_REQUEST and PICS_ECHO_REPLY
		* Config Id: CF01
		* Initial conditions:
		* with {
		* EPC and RAN network available
		* MME is configured with the GTP Tunnel Parameter.
		* S-GW is configured with the GTP Tunnel Parameter.
		* Verify IP connectivity between the two nodes.
		* Power on the MME and S-GW
		* }
		* Expected behaviour:
		* ensure that {
		* when {
		* Trigger MME to initiate the Echo Request Procedure
		* }
		* then {
		* GTP Echo Request is sent which contains the Recovery Information Element (IE)
		* and, the Recovery IE is either incorrect or has the wrong format
		* and, the Echo Response contains the Restart counter and a negative Cause value
		* }
		* }
		* </pre>
		* @verdict pass on success, inconc on timeout, fail otherwise
		*
		* @see ETSI TS 103 202-2 V0.0.2 (2014-03), TP_PM_01
		* @reference ETSI TS 129 274 V9.13.0, clauses 7.1.1 & 7.1.2
		*/
		testcase TC_S11_MME_PM_01() runs on Gtpv2CComponent system Gtpv2CSystemAdapter {

		// Local variables

		// Test control
		if (not (PICS_S11_IUT_IS_MME and PICS_ECHO_REQUEST and PICS_ECHO_REPLY)) {
		log("* " & testcasename() & ": PICS_S11_IUT_IS_MME and PICS_ECHO_REQUEST and PICS_ECHO_REPLY required for executing the TC *");
		setverdict(inconc);
		stop;
		}

		// Test component configuration
		f_cf01_S11Up_MME();

		// Start
		vc_gtpv2c_sgw.start(f_TC_S11_MME_PM_01());

		// synchronize PTC on 2 sychronization points
		f_serverSyncNClientsAndStop(2, {c_prDone, c_tbDone, c_poDone});

		// Postamble
		f_cf01_S11Down_MME();

		} // End of testcase TC_S11_MME_PM_01

		/**
		* @desc Verify the successful answering of Echo Request with Echo Response with a negative cause value
		* <pre>
		* Pics Selection: PICS_S11_IUT_IS_MME and PICS_ECHO_REQUEST and PICS_ECHO_REPLY
		* Config Id: CF01
		* Initial conditions:
		* with {
		* EPC and RAN network available
		* MME is configured with the GTP Tunnel Parameter.
		* S-GW is configured with the GTP Tunnel Parameter.
		* Verify IP connectivity between the two nodes.
		* Power on the MME and S-GW
		* }
		* Expected behaviour:
		* ensure that {
		* when {
		* Trigger MME (or simulator) initiates the Echo Request Procedure with an error
		* }
		* then {
		* GTP Echo Request is sent which contains the Recovery Information Element (IE)
		* and, the Recovery IE is either incorrect or has the wrong format
		* and, the Echo Response contains the Restart counter and a negative Cause value
		* }
		* }
		* </pre>
		* @verdict pass on success, inconc on timeout, fail otherwise
		*
		* @see ETSI TS 103 202-2 V0.0.2 (2014-03), TP_PM_02
		* @reference ETSI TS 129 274 V9.13.0, clauses 7.1.1 & 7.1.2
		*/
		testcase TC_S11_MME_PM_02() runs on Gtpv2CComponent system Gtpv2CSystemAdapter {

		// Local variables

		// Test control
		if (not (PICS_S11_IUT_IS_MME and PICS_ECHO_REQUEST and PICS_ECHO_REPLY)) {
		log("* " & testcasename() & ": PICS_S11_IUT_IS_MME and PICS_ECHO_REQUEST and PICS_ECHO_REPLY required for executing the TC *");
		setverdict(inconc);
		stop;
		}

		// Test component configuration
		f_cf01_S11Up_MME();

		// Start
		vc_gtpv2c_sgw.start(f_TC_S11_MME_PM_02());

		// synchronize PTC on 2 sychronization points
		f_serverSyncNClientsAndStop(2, {c_prDone, c_tbDone, c_poDone});

		// Postamble
		f_cf01_S11Down_MME();

		} // End of testcase TC_S11_MME_PM_02

		/**
		* @desc Verify the GTP version that the sending entity supports. If a GTP network element receives a message of unsupported GTP version, verify that the network element returns a Version Not Supported Indication message and that it discards the received message
		* <pre>
		* Pics Selection: PICS_S11_IUT_IS_MME and PICS_VERSION_NOT_SUPPORTED
		* Config Id: CF01
		* Initial conditions:
		* with {
		* EPC and RAN network available
		* Network should be configured as show in Figure 3 above.
		* MME is configured with the GTP Tunnel Parameter.
		* S-GW is configured with the GTP Tunnel Parameter.
		* Verify IP connectivity between the two nodes.
		* Power on the MME and S-GW
		* }
		* Expected behaviour:
		* ensure that {
		* when {
		* MME (or simulator) initiates the Version Not supported Procedure by sending a GTP message which contains a version higher than the latest version
		* }
		* then {
		* Verify that any given GTP message (e.g. Echo Request) contains a version that is higher than the latest supported version.
		* and, verify that the Version not Supported Indication contains the GTP version the network element currently supports
		* }
		* }
		* </pre>
		* @verdict pass on success, inconc on timeout, fail otherwise
		*
		* @see ETSI TS 103 202-2 V0.0.2 (2014-03), TP_PM_03
		* @reference ETSI TS 129 274 V9.13.0, clauses 7.1.3
		*/
		testcase TC_S11_MME_PM_03() runs on Gtpv2CComponent system Gtpv2CSystemAdapter {

		// Local variables

		// Test control
		if (not (PICS_S11_IUT_IS_MME and PICS_VERSION_NOT_SUPPORTED)) {
		log("* " & testcasename() & ": PICS_S11_IUT_IS_MME and PICS_VERSION_NOT_SUPPORTED required for executing the TC *");
		setverdict(inconc);
		stop;
		}

		// Test component configuration
		f_cf01_S11Up_MME();

		// Start
		vc_gtpv2c_sgw.start(f_TC_S11_MME_PM_03());

		// synchronize PTC on 2 sychronization points
		f_serverSyncNClientsAndStop(2, {c_prDone, c_tbDone, c_poDone});

		// Postamble
		f_cf01_S11Down_MME();

		} // End of testcase TC_S11_MME_PM_03

		} // End of group pathManagement

		/**
		* @desc This group contains all test case for IUT acting as a MME
		* @see ETSI TS 103 202-2 V0.0.2 (2014-03), clause 5.2.2
		*/
		group tunnelManagement {

		/**
		* @desc Validate the Create Session Request/Response and the Modify Bearer Request/Response Procedure between MME and S-GW as part of the ATTACH Procedure
		* <pre>
		* Pics Selection: PICS_S11_IUT_IS_MME and PICS_MME_CREATE_SESSION_REQUEST and PICS_MME_CREATE_BEARER_RESPONSE and PICS_MME_MODIFY_BEARER_REQUEST
		* Config Id: CF01
		* Initial conditions:
		* with {
		* EPC, RAN, and one UE are available.
		* MME is configured the GTP Tunnel Parameter.
		* S-GW is configured with the GTP Tunnel Parameter.
		* Verify IP connectivity between the two nodes.
		* }
		* Expected behaviour:
		* ensure that {
		* when {
		* UE registers with and attaches to the network to receive services that require registration
		* A default EPS bearer is setup as result of attachment
		* This forces the Create Session and Modify Bearer ProcedureTrigger MME (or simulator) initiates the Echo Request Procedure with an error
		* }
		* then {
		* Verify that the MME sends Create Session Request and receives the Create Session Response
		* and, verify that the MME sends the Modify Bearer Request and receives the Modify Bearer Response as part of the Attach procedure
		* }
		* }
		* </pre>
		* @verdict pass on success, inconc on timeout, fail otherwise
		*
		* @see ETSI TS 103 202-2 V0.0.2 (2014-03), TP_TM_01
		* @reference ETSI TS 129 274 V9.13.0, clauses 7.2.1, 7.2.2, 7.2.7, 7.2.8
		*/
		testcase TC_S11_MME_TM_01() runs on Gtpv2CComponent system Gtpv2CSystemAdapter {

		// Local variables

		// Test control
		if (not (PICS_S11_IUT_IS_MME and PICS_MME_CREATE_SESSION_REQUEST and PICS_MME_CREATE_BEARER_RESPONSE and PICS_MME_MODIFY_BEARER_REQUEST)) {
		log("* " & testcasename() & ": PICS_S11_IUT_IS_MME and PICS_MME_CREATE_SESSION_REQUEST and PICS_MME_CREATE_BEARER_RESPONSE and PICS_MME_MODIFY_BEARER_REQUEST required for executing the TC *");
		setverdict(inconc);
		stop;
		}

		// Test component configuration
		f_cf02_S11Up_MME();

		// Start
		vc_gtpv2c_s1mme.start(f_TC_S1_MME_TM_01());
		vc_gtpv2c_sgw.start(f_TC_S11_MME_TM_01());

		// synchronize PTC on 2 sychronization points
		f_serverSyncNClientsAndStop(2, {c_prDone, c_tbDone, c_poDone});

		// Postamble
		f_cf02_S11Down_MME();

		} // End of testcase TC_S11_MME_TM_01

		} // End of group tunnelManagement

		} // End of group mmeRole

		/**
		* @desc This group contains all test case for IUT acting as a S-GW
		*/
		group sgwRole {

		/**
		* @desc This group contains all test case for IUT acting as a MME
		* @see ETSI TS 103 202-2 V0.0.2 (2014-03), clause 5.2.1
		*/
		group pathManagement {

		/**
		* @desc Verify the successful answering of Echo Request with Echo Response
		* <pre>
		* Pics Selection: PICS_S11_IUT_IS_SGW and PICS_ECHO_REQUEST and PICS_ECHO_REPLY
		* Config Id: CF01
		* Initial conditions:
		* with {
		* EPC and RAN network available
		* MME is configured with the GTP Tunnel Parameter.
		* S-GW is configured with the GTP Tunnel Parameter.
		* Verify IP connectivity between the two nodes.
		* Power on the MME and S-GW
		* }
		* Expected behaviour:
		* ensure that {
		* when {
		* Trigger MME to initiate the Echo Request Procedure
		* }
		* then {
		* GTP Echo Request is sent which contains the Recovery Information Element (IE)
		* and, the Recovery IE is either incorrect or has the wrong format.
		* and, the Echo Response contains the Restart counter and a negative Cause value
		* }
		* }
		* </pre>
		* @verdict pass on success, inconc on timeout, fail otherwise
		*
		* @see ETSI TS 103 202-2 V0.0.2 (2014-03), TP_PM_01
		* @reference ETSI TS 129 274 V9.13.0, clauses 7.1.1 & 7.1.2
		*/
		testcase TC_S11_SGW_PM_01() runs on Gtpv2CComponent system Gtpv2CSystemAdapter {

		// Local variables

		// Test control
		if (not (PICS_S11_IUT_IS_SGW and PICS_ECHO_REQUEST and PICS_ECHO_REPLY)) {
		log("* " & testcasename() & ": PICS_S11_IUT_IS_SGW and PICS_ECHO_REQUEST and PICS_ECHO_REPLY required for executing the TC *");
		setverdict(inconc);
		stop;
		}

		// Test component configuration
		f_cf01_S11Up_SGW();

		// Start
		vc_gtpv2c_mme.start(f_TC_S11_SGW_PM_01());

		// synchronize PTC on 2 sychronization points
		f_serverSyncNClientsAndStop(1, {c_prDone, c_tbDone, c_poDone});

		// Postamble
		f_cf01_S11Down_SGW();

		} // End of testcase TC_S11_SGW_PM_01

		/**
		* @desc Verify the successful answering of Echo Request with Echo Response with a negative cause value
		* <pre>
		* Pics Selection: PICS_S11_IUT_IS_SGW and PICS_ECHO_REQUEST and PICS_ECHO_REPLY
		* Config Id: CF01
		* Initial conditions:
		* with {
		* EPC and RAN network available
		* MME is configured with the GTP Tunnel Parameter.
		* S-GW is configured with the GTP Tunnel Parameter.
		* Verify IP connectivity between the two nodes.
		* Power on the MME and S-GW
		* }
		* Expected behaviour:
		* ensure that {
		* when {
		* Trigger MME (or simulator) initiates the Echo Request Procedure with an error
		* }
		* then {
		* GTP Echo Request is sent which contains the Recovery Information Element (IE)
		* and, the Recovery IE is either incorrect or has the wrong format
		* and, the Echo Response contains the Restart counter and a negative Cause value
		* }
		* }
		* </pre>
		* @verdict pass on success, inconc on timeout, fail otherwise
		*
		* @see ETSI TS 103 202-2 V0.0.2 (2014-03), TP_PM_02
		* @reference ETSI TS 129 274 V9.13.0, clauses 7.1.1 & 7.1.2
		*/
		testcase TC_S11_SGW_PM_02() runs on Gtpv2CComponent system Gtpv2CSystemAdapter {

		// Local variables

		// Test control
		if (not (PICS_S11_IUT_IS_SGW and PICS_ECHO_REQUEST and PICS_ECHO_REPLY)) {
		log("* " & testcasename() & ": PICS_S11_IUT_IS_SGW and PICS_ECHO_REQUEST and PICS_ECHO_REPLY required for executing the TC *");
		setverdict(inconc);
		stop;
		}

		// Test component configuration
		f_cf01_S11Up_SGW();

		// Start
		vc_gtpv2c_mme.start(f_TC_S11_SGW_PM_02());

		// synchronize PTC on 2 sychronization points
		f_serverSyncNClientsAndStop(2, {c_prDone, c_tbDone, c_poDone});

		// Postamble
		f_cf01_S11Down_SGW();

		} // End of testcase TC_S11_SGW_PM_02

		/**
		* @desc Verify the GTP version that the sending entity supports. If a GTP network element receives a message of unsupported GTP version, verify that the network element returns a Version Not Supported Indication message and that it discards the received message
		* <pre>
		* Pics Selection: PICS_S11_IUT_IS_SGW and PICS_VERSION_NOT_SUPPORTED
		* Config Id: CF01
		* Initial conditions:
		* with {
		* EPC and RAN network available
		* Network should be configured as show in Figure 3 above.
		* MME is configured with the GTP Tunnel Parameter.
		* S-GW is configured with the GTP Tunnel Parameter.
		* Verify IP connectivity between the two nodes.
		* Power on the MME and S-GW
		* }
		* Expected behaviour:
		* ensure that {
		* when {
		* MME (or simulator) initiates the Version Not supported Procedure by sending a GTP message which contains a version higher than the latest version
		* }
		* then {
		* Verify that any given GTP message (e.g. Echo Request) contains a version that is higher than the latest supported version.
		* and, verify that the Version not Supported Indication contains the GTP version the network element currently supports
		* }
		* }
		* </pre>
		* @verdict pass on success, inconc on timeout, fail otherwise
		*
		* @see ETSI TS 103 202-2 V0.0.2 (2014-03), TP_PM_03
		* @reference ETSI TS 129 274 V9.13.0, clauses 7.1.3
		*/
		testcase TC_S11_SGW_PM_03() runs on Gtpv2CComponent system Gtpv2CSystemAdapter {

		// Local variables

		// Test control
		if (not (PICS_S11_IUT_IS_SGW and PICS_VERSION_NOT_SUPPORTED)) {
		log("* " & testcasename() & ": PICS_S11_IUT_IS_SGW and PICS_VERSION_NOT_SUPPORTED required for executing the TC *");
		setverdict(inconc);
		stop;
		}

		// Test component configuration
		f_cf01_S11Up_SGW();

		// Start
		vc_gtpv2c_mme.start(f_TC_S11_SGW_PM_03());

		// synchronize PTC on 2 sychronization points
		f_serverSyncNClientsAndStop(2, {c_prDone, c_tbDone, c_poDone});

		// Postamble
		f_cf01_S11Down_SGW();

		} // End of testcase TC_S11_SGW_PM_03

		} // End of group pathManagement

		/**
		* @desc This group contains all test case for IUT acting as a SGW
		* @see ETSI TS 103 202-2 V0.0.2 (2014-03), clause 5.2.2
		*/
		group tunnelManagement {

		/**
		* @desc Validate the Create Session Request/Response and the Modify Bearer Request/Response Procedure between MME and S-GW as part of the ATTACH Procedure
		* <pre>
		* Pics Selection: PICS_S11_IUT_IS_SGW and PICS_MME_CREATE_SESSION_REQUEST and PICS_MME_CREATE_BEARER_RESPONSE and PICS_MME_MODIFY_BEARER_REQUEST
		* Config Id: CF01
		* Initial conditions:
		* with {
		* EPC, RAN, and one UE are available.
		* MME is configured the GTP Tunnel Parameter.
		* S-GW is configured with the GTP Tunnel Parameter.
		* Verify IP connectivity between the two nodes.
		* }
		* Expected behaviour:
		* ensure that {
		* when {
		* UE registers with and attaches to the network to receive services that require registration
		* A default EPS bearer is setup as result of attachment
		* This forces the Create Session and Modify Bearer ProcedureTrigger MME (or simulator) initiates the Echo Request Procedure with an error
		* }
		* then {
		* Verify that the MME sends Create Session Request and receives the Create Session Response
		* and, verify that the MME sends the Modify Bearer Request and receives the Modify Bearer Response as part of the Attach procedure
		* }
		* }
		* </pre>
		* @verdict pass on success, inconc on timeout, fail otherwise
		*
		* @see ETSI TS 103 202-2 V0.0.2 (2014-03), TP_TM_01
		* @reference ETSI TS 129 274 V9.13.0, clauses 7.2.1, 7.2.2, 7.2.7, 7.2.8
		*/
		testcase TC_S11_SGW_TM_01() runs on Gtpv2CComponent system Gtpv2CSystemAdapter {

		// Local variables

		// Test control
		if (not (PICS_S11_IUT_IS_SGW and PICS_MME_CREATE_SESSION_REQUEST and PICS_MME_CREATE_BEARER_RESPONSE and PICS_MME_MODIFY_BEARER_REQUEST)) {
		log("* " & testcasename() & ": PICS_S11_IUT_IS_SGW and PICS_MME_CREATE_SESSION_REQUEST and PICS_MME_CREATE_BEARER_RESPONSE and PICS_MME_MODIFY_BEARER_REQUEST required for executing the TC *");
		setverdict(inconc);
		stop;
		}

		// Test component configuration
		f_cf01_S11Up_SGW();

		// Start
		vc_gtpv2c_mme.start(f_TC_S11_SGW_TM_01());

		// synchronize PTC on 2 sychronization points
		f_serverSyncNClientsAndStop(2, {c_prDone, c_tbDone, c_poDone});

		// Postamble
		f_cf01_S11Down_SGW();

		} // End of testcase TC_S11_SGW_TM_01

		} // End of group tunnelManagement

		} // End of group sgwRole

		} // End of module AtsGtpv2C_TestCases
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