Merge pull request #1803 from jphickey/fix-1680-1681-1682-test-sb-msg

Fix #1680 #1681 #1682, add software bus tests

cmake/sample_defs/cpu1_msgids.h

@@ -86,8 +86,8 @@
 /*
 ** cFE Command Message Id's
 */
-#define CFE_EVS_CMD_MID CFE_PLATFORM_CMD_MID_BASE + CFE_MISSION_EVS_CMD_MSG   /* 0x1801 */
-                                                                              /* Message ID 0x1802 is available  */
+#define CFE_EVS_CMD_MID  CFE_PLATFORM_CMD_MID_BASE + CFE_MISSION_EVS_CMD_MSG  /* 0x1801 */
+#define CFE_TEST_CMD_MID CFE_PLATFORM_CMD_MID_BASE + CFE_MISSION_TEST_CMD_MSG /* 0x1802 */
 #define CFE_SB_CMD_MID   CFE_PLATFORM_CMD_MID_BASE + CFE_MISSION_SB_CMD_MSG   /* 0x1803 */
 #define CFE_TBL_CMD_MID  CFE_PLATFORM_CMD_MID_BASE + CFE_MISSION_TBL_CMD_MSG  /* 0x1804 */
 #define CFE_TIME_CMD_MID CFE_PLATFORM_CMD_MID_BASE + CFE_MISSION_TIME_CMD_MSG /* 0x1805 */
@@ -114,9 +114,9 @@
 /*
 ** CFE Telemetry Message Id's
 */
-#define CFE_ES_HK_TLM_MID  CFE_PLATFORM_TLM_MID_BASE + CFE_MISSION_ES_HK_TLM_MSG  /* 0x0800 */
-#define CFE_EVS_HK_TLM_MID CFE_PLATFORM_TLM_MID_BASE + CFE_MISSION_EVS_HK_TLM_MSG /* 0x0801 */
-                                                                                  /* Message ID 0x0802 is available  */
+#define CFE_ES_HK_TLM_MID           CFE_PLATFORM_TLM_MID_BASE + CFE_MISSION_ES_HK_TLM_MSG           /* 0x0800 */
+#define CFE_EVS_HK_TLM_MID          CFE_PLATFORM_TLM_MID_BASE + CFE_MISSION_EVS_HK_TLM_MSG          /* 0x0801 */
+#define CFE_TEST_HK_TLM_MID         CFE_PLATFORM_TLM_MID_BASE + CFE_MISSION_TEST_HK_TLM_MSG         /* 0x0802 */
 #define CFE_SB_HK_TLM_MID           CFE_PLATFORM_TLM_MID_BASE + CFE_MISSION_SB_HK_TLM_MSG           /* 0x0803 */
 #define CFE_TBL_HK_TLM_MID          CFE_PLATFORM_TLM_MID_BASE + CFE_MISSION_TBL_HK_TLM_MSG          /* 0x0804 */
 #define CFE_TIME_HK_TLM_MID         CFE_PLATFORM_TLM_MID_BASE + CFE_MISSION_TIME_HK_TLM_MSG         /* 0x0805 */

cmake/sample_defs/sample_mission_cfg.h

@@ -307,8 +307,8 @@
 **  \par Limits
 **      Not Applicable
 */
-#define CFE_MISSION_EVS_CMD_MSG 1
-/* Offset 2 is available */
+#define CFE_MISSION_EVS_CMD_MSG  1
+#define CFE_MISSION_TEST_CMD_MSG 2
 #define CFE_MISSION_SB_CMD_MSG   3
 #define CFE_MISSION_TBL_CMD_MSG  4
 #define CFE_MISSION_TIME_CMD_MSG 5
@@ -351,9 +351,9 @@
 **  \par Limits
 **      Not Applicable
 */
-#define CFE_MISSION_ES_HK_TLM_MSG  0
-#define CFE_MISSION_EVS_HK_TLM_MSG 1
-/* Offset 2 is available */
+#define CFE_MISSION_ES_HK_TLM_MSG     0
+#define CFE_MISSION_EVS_HK_TLM_MSG    1
+#define CFE_MISSION_TEST_HK_TLM_MSG   2
 #define CFE_MISSION_SB_HK_TLM_MSG     3
 #define CFE_MISSION_TBL_HK_TLM_MSG    4
 #define CFE_MISSION_TIME_HK_TLM_MSG   5
@@ -418,6 +418,7 @@
 **       anticipated to be reasonably small (i.e. tens, not hundreds).  Large
 **       values have not been tested.
 **
+**
 */
 #define CFE_MISSION_ES_POOL_MAX_BUCKETS 17
 

modules/cfe_testcase/CMakeLists.txt

@@ -22,6 +22,8 @@ add_cfe_app(cfe_testcase
     src/message_id_test.c
     src/msg_api_test.c
     src/sb_pipe_mang_test.c
+    src/sb_sendrecv_test.c
+    src/sb_subscription_test.c
     src/tbl_content_access_test.c
     src/tbl_content_mang_test.c
     src/tbl_information_test.c

modules/cfe_testcase/src/cfe_test.c

@@ -75,6 +75,8 @@ void CFE_TestMain(void)
     MessageIdTestSetup();
     MsgApiTestSetup();
     SBPipeMangSetup();
+    SBSendRecvTestSetup();
+    SBSubscriptionTestSetup();
     TBLContentAccessTestSetup();
     TBLContentMangTestSetup();
     TBLInformationTestSetup();

modules/cfe_testcase/src/cfe_test.h

@@ -110,6 +110,8 @@ void FSUtilTestSetup(void);
 void MessageIdTestSetup(void);
 void MsgApiTestSetup(void);
 void SBPipeMangSetup(void);
+void SBSendRecvTestSetup(void);
+void SBSubscriptionTestSetup(void);
 void TBLContentAccessTestSetup(void);
 void TBLContentMangTestSetup(void);
 void TBLInformationTestSetup(void);

modules/cfe_testcase/src/sb_sendrecv_test.c

@@ -0,0 +1,283 @@
+/*************************************************************************
+**
+**      GSC-18128-1, "Core Flight Executive Version 6.7"
+**
+**      Copyright (c) 2006-2019 United States Government as represented by
+**      the Administrator of the National Aeronautics and Space Administration.
+**      All Rights Reserved.
+**
+**      Licensed under the Apache License, Version 2.0 (the "License");
+**      you may not use this file except in compliance with the License.
+**      You may obtain a copy of the License at
+**
+**        http://www.apache.org/licenses/LICENSE-2.0
+**
+**      Unless required by applicable law or agreed to in writing, software
+**      distributed under the License is distributed on an "AS IS" BASIS,
+**      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+**      See the License for the specific language governing permissions and
+**      limitations under the License.
+**
+*************************************************************************/
+
+/**
+ * @file
+ *
+ * Functional test of SB transmit/receive APIs
+ * CFE_SB_TransmitMsg - Transmit a message.
+ * CFE_SB_ReceiveBuffer - Receive a message from a software bus pipe.
+ * CFE_SB_AllocateMessageBuffer - Get a buffer pointer to use for "zero copy" SB sends.
+ * CFE_SB_ReleaseMessageBuffer - Release an unused "zero copy" buffer pointer.
+ * CFE_SB_TransmitBuffer - Transmit a buffer.
+ */
+
+#include "cfe_test.h"
+#include "cfe_msgids.h"
+
+/* A simple command message */
+typedef struct
+{
+    CFE_MSG_CommandHeader_t CmdHeader;
+    uint32                  CmdPayload;
+} CFE_FT_TestCmdMessage_t;
+
+/* A simple telemetry message */
+typedef struct
+{
+    CFE_MSG_TelemetryHeader_t TlmHeader;
+    uint32                    TlmPayload;
+} CFE_FT_TestTlmMessage_t;
+
+/* A message intended to be (overall) larger than the CFE_MISSION_SB_MAX_SB_MSG_SIZE */
+typedef struct
+{
+    CFE_MSG_Message_t Hdr;
+    uint8             MaxSize[CFE_MISSION_SB_MAX_SB_MSG_SIZE];
+} CFE_FT_TestBigMessage_t;
+
+/*
+ * This test procedure should be agnostic to specific MID values, but it should
+ * not overlap/interfere with real MIDs used by other apps.
+ */
+static const CFE_SB_MsgId_t CFE_FT_CMD_MSGID = CFE_SB_MSGID_WRAP_VALUE(CFE_TEST_CMD_MID);
+static const CFE_SB_MsgId_t CFE_FT_TLM_MSGID = CFE_SB_MSGID_WRAP_VALUE(CFE_TEST_HK_TLM_MID);
+
+static CFE_FT_TestBigMessage_t CFE_FT_BigMsg;
+
+void TestBasicTransmitRecv(void)
+{
+    CFE_SB_PipeId_t                PipeId1;
+    CFE_SB_PipeId_t                PipeId2;
+    CFE_FT_TestCmdMessage_t        CmdMsg;
+    CFE_FT_TestTlmMessage_t        TlmMsg;
+    CFE_SB_MsgId_t                 MsgId;
+    CFE_MSG_SequenceCount_t        Seq1, Seq2;
+    CFE_SB_Buffer_t *              MsgBuf;
+    const CFE_FT_TestCmdMessage_t *CmdPtr;
+    const CFE_FT_TestTlmMessage_t *TlmPtr;
+
+    UtPrintf("Testing: CFE_SB_TransmitMsg");
+
+    /* Setup, create a pipe and subscribe (one cmd, one tlm) */
+    UtAssert_INT32_EQ(CFE_SB_CreatePipe(&PipeId1, 5, "TestPipe1"), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_SB_CreatePipe(&PipeId2, 5, "TestPipe2"), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_SB_SubscribeEx(CFE_FT_CMD_MSGID, PipeId1, CFE_SB_DEFAULT_QOS, 3), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_SB_SubscribeEx(CFE_FT_TLM_MSGID, PipeId2, CFE_SB_DEFAULT_QOS, 3), CFE_SUCCESS);
+
+    /* Initialize the message content */
+    UtAssert_INT32_EQ(CFE_MSG_Init(&CmdMsg.CmdHeader.Msg, CFE_FT_CMD_MSGID, sizeof(CmdMsg)), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_MSG_Init(&TlmMsg.TlmHeader.Msg, CFE_FT_TLM_MSGID, sizeof(TlmMsg)), CFE_SUCCESS);
+
+    CFE_MSG_SetSequenceCount(&CmdMsg.CmdHeader.Msg, 11);
+    CFE_MSG_SetSequenceCount(&TlmMsg.TlmHeader.Msg, 21);
+
+    /* Sending with sequence update should ignore the sequence in the msg struct */
+    CmdMsg.CmdPayload = 0x0c0ffee;
+    TlmMsg.TlmPayload = 0x0d00d1e;
+    UtAssert_INT32_EQ(CFE_SB_TransmitMsg(&CmdMsg.CmdHeader.Msg, true), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_SB_TransmitMsg(&TlmMsg.TlmHeader.Msg, true), CFE_SUCCESS);
+
+    CmdMsg.CmdPayload = 0x1c0ffee;
+    TlmMsg.TlmPayload = 0x1d00d1e;
+    UtAssert_INT32_EQ(CFE_SB_TransmitMsg(&CmdMsg.CmdHeader.Msg, true), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_SB_TransmitMsg(&TlmMsg.TlmHeader.Msg, true), CFE_SUCCESS);
+
+    /* Sending without sequence update should use the sequence in the msg struct */
+    CmdMsg.CmdPayload = 0x2c0ffee;
+    TlmMsg.TlmPayload = 0x2d00d1e;
+    UtAssert_INT32_EQ(CFE_SB_TransmitMsg(&CmdMsg.CmdHeader.Msg, false), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_SB_TransmitMsg(&TlmMsg.TlmHeader.Msg, false), CFE_SUCCESS);
+
+    /* Sending again should trigger MsgLimit errors on the pipe, however the call still returns CFE_SUCCESS */
+    CmdMsg.CmdPayload = 0x3c0ffee;
+    TlmMsg.TlmPayload = 0x3d00d1e;
+    UtAssert_INT32_EQ(CFE_SB_TransmitMsg(&CmdMsg.CmdHeader.Msg, true), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_SB_TransmitMsg(&TlmMsg.TlmHeader.Msg, true), CFE_SUCCESS);
+
+    /* Attempt to send a msg which does not have a valid msgid  */
+    memset(&CFE_FT_BigMsg, 0xFF, sizeof(CFE_FT_BigMsg));
+    CFE_MSG_SetSize(&CFE_FT_BigMsg.Hdr, sizeof(CFE_MSG_Message_t) + 4);
+    UtAssert_INT32_EQ(CFE_SB_TransmitMsg(&CFE_FT_BigMsg.Hdr, true), CFE_SB_BAD_ARGUMENT);
+
+    /* Attempt to send a msg which is too big */
+    CFE_MSG_SetSize(&CFE_FT_BigMsg.Hdr, sizeof(CFE_FT_BigMsg));
+    CFE_MSG_SetMsgId(&CFE_FT_BigMsg.Hdr, CFE_FT_CMD_MSGID);
+    UtAssert_INT32_EQ(CFE_SB_TransmitMsg(&CFE_FT_BigMsg.Hdr, true), CFE_SB_MSG_TOO_BIG);
+
+    /* Attempt to send a msg which is NULL */
+    UtAssert_INT32_EQ(CFE_SB_TransmitMsg(NULL, true), CFE_SB_BAD_ARGUMENT);
+
+    UtPrintf("Testing: CFE_SB_ReceiveBuffer");
+
+    /* off nominal / bad arguments */
+    UtAssert_INT32_EQ(CFE_SB_ReceiveBuffer(&MsgBuf, CFE_SB_INVALID_PIPE, 100), CFE_SB_BAD_ARGUMENT);
+    UtAssert_INT32_EQ(CFE_SB_ReceiveBuffer(NULL, PipeId1, 100), CFE_SB_BAD_ARGUMENT);
+    UtAssert_INT32_EQ(CFE_SB_ReceiveBuffer(&MsgBuf, PipeId1, -100), CFE_SB_BAD_ARGUMENT);
+
+    /*
+     * Note, the CFE_SB_TransmitMsg ignores the "IncrementSequence" flag for commands.
+     * Thus, all the sequence numbers should come back with the original value set (11)
+     */
+    UtAssert_INT32_EQ(CFE_SB_ReceiveBuffer(&MsgBuf, PipeId1, 100), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_MSG_GetMsgId(&MsgBuf->Msg, &MsgId), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_MSG_GetSequenceCount(&MsgBuf->Msg, &Seq1), CFE_SUCCESS);
+    CFE_UtAssert_MSGID_EQ(MsgId, CFE_FT_CMD_MSGID);
+    CmdPtr = (const CFE_FT_TestCmdMessage_t *)MsgBuf;
+    UtAssert_UINT32_EQ(CmdPtr->CmdPayload, 0x0c0ffee);
+    UtAssert_UINT32_EQ(Seq1, 11);
+
+    UtAssert_INT32_EQ(CFE_SB_ReceiveBuffer(&MsgBuf, PipeId1, 100), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_MSG_GetMsgId(&MsgBuf->Msg, &MsgId), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_MSG_GetSequenceCount(&MsgBuf->Msg, &Seq1), CFE_SUCCESS);
+    CFE_UtAssert_MSGID_EQ(MsgId, CFE_FT_CMD_MSGID);
+    CmdPtr = (const CFE_FT_TestCmdMessage_t *)MsgBuf;
+    UtAssert_UINT32_EQ(CmdPtr->CmdPayload, 0x1c0ffee);
+    UtAssert_UINT32_EQ(Seq1, 11);
+
+    UtAssert_INT32_EQ(CFE_SB_ReceiveBuffer(&MsgBuf, PipeId1, 100), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_MSG_GetMsgId(&MsgBuf->Msg, &MsgId), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_MSG_GetSequenceCount(&MsgBuf->Msg, &Seq1), CFE_SUCCESS);
+    CFE_UtAssert_MSGID_EQ(MsgId, CFE_FT_CMD_MSGID);
+    CmdPtr = (const CFE_FT_TestCmdMessage_t *)MsgBuf;
+    UtAssert_UINT32_EQ(CmdPtr->CmdPayload, 0x2c0ffee);
+    UtAssert_UINT32_EQ(Seq1, 11);
+
+    /* Final should not be in the pipe, should have been rejected due to MsgLim */
+    UtAssert_INT32_EQ(CFE_SB_ReceiveBuffer(&MsgBuf, PipeId1, 100), CFE_SB_TIME_OUT);
+
+    /*
+     * For TLM, the CFE_SB_TransmitMsg obeys the "IncrementSequence" flag.
+     * Thus, first message gets the reference point, next message should be one more.
+     */
+    UtAssert_INT32_EQ(CFE_SB_ReceiveBuffer(&MsgBuf, PipeId2, 100), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_MSG_GetMsgId(&MsgBuf->Msg, &MsgId), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_MSG_GetSequenceCount(&MsgBuf->Msg, &Seq1), CFE_SUCCESS);
+    CFE_UtAssert_MSGID_EQ(MsgId, CFE_FT_TLM_MSGID);
+    TlmPtr = (const CFE_FT_TestTlmMessage_t *)MsgBuf;
+    UtAssert_UINT32_EQ(TlmPtr->TlmPayload, 0x0d00d1e);
+
+    UtAssert_INT32_EQ(CFE_SB_ReceiveBuffer(&MsgBuf, PipeId2, 100), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_MSG_GetMsgId(&MsgBuf->Msg, &MsgId), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_MSG_GetSequenceCount(&MsgBuf->Msg, &Seq2), CFE_SUCCESS);
+    CFE_UtAssert_MSGID_EQ(MsgId, CFE_FT_TLM_MSGID);
+    TlmPtr = (const CFE_FT_TestTlmMessage_t *)MsgBuf;
+    UtAssert_UINT32_EQ(TlmPtr->TlmPayload, 0x1d00d1e);
+    UtAssert_UINT32_EQ(Seq2, CFE_MSG_GetNextSequenceCount(Seq1));
+
+    UtAssert_INT32_EQ(CFE_SB_ReceiveBuffer(&MsgBuf, PipeId2, 100), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_MSG_GetMsgId(&MsgBuf->Msg, &MsgId), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_MSG_GetSequenceCount(&MsgBuf->Msg, &Seq2), CFE_SUCCESS);
+    CFE_UtAssert_MSGID_EQ(MsgId, CFE_FT_TLM_MSGID);
+    TlmPtr = (const CFE_FT_TestTlmMessage_t *)MsgBuf;
+    UtAssert_UINT32_EQ(TlmPtr->TlmPayload, 0x2d00d1e);
+    UtAssert_UINT32_EQ(Seq2, 21);
+
+    /* Final should not be in the pipe, should have been rejected due to MsgLim */
+    UtAssert_INT32_EQ(CFE_SB_ReceiveBuffer(&MsgBuf, PipeId2, 100), CFE_SB_TIME_OUT);
+
+    /* Cleanup */
+    UtAssert_INT32_EQ(CFE_SB_DeletePipe(PipeId1), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_SB_DeletePipe(PipeId2), CFE_SUCCESS);
+}
+
+/* This is a variant of the message transmit API that does not copy */
+void TestZeroCopyTransmitRecv(void)
+{
+    CFE_SB_PipeId_t  PipeId1;
+    CFE_SB_PipeId_t  PipeId2;
+    CFE_SB_Buffer_t *CmdBuf;
+    CFE_SB_Buffer_t *TlmBuf;
+    CFE_SB_Buffer_t *MsgBuf;
+    CFE_SB_MsgId_t   MsgId;
+
+    /* Setup, create a pipe and subscribe (one cmd, one tlm) */
+    UtAssert_INT32_EQ(CFE_SB_CreatePipe(&PipeId1, 5, "TestPipe1"), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_SB_CreatePipe(&PipeId2, 5, "TestPipe2"), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_SB_SubscribeEx(CFE_FT_CMD_MSGID, PipeId1, CFE_SB_DEFAULT_QOS, 3), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_SB_SubscribeEx(CFE_FT_TLM_MSGID, PipeId2, CFE_SB_DEFAULT_QOS, 3), CFE_SUCCESS);
+
+    UtPrintf("Testing: CFE_SB_AllocateMessageBuffer");
+
+    /* Confirm bad size rejection */
+    UtAssert_NULL(CFE_SB_AllocateMessageBuffer(CFE_MISSION_SB_MAX_SB_MSG_SIZE + 1));
+
+    /* Nominal */
+    UtAssert_NOT_NULL(CmdBuf = CFE_SB_AllocateMessageBuffer(sizeof(CFE_FT_TestCmdMessage_t)));
+    UtAssert_NOT_NULL(TlmBuf = CFE_SB_AllocateMessageBuffer(sizeof(CFE_FT_TestTlmMessage_t)));
+
+    UtPrintf("Testing: CFE_SB_ReleaseMessageBuffer");
+
+    /* allocate a buffer but then discard it without sending */
+    UtAssert_NOT_NULL(MsgBuf = CFE_SB_AllocateMessageBuffer(sizeof(CFE_MSG_Message_t) + 4));
+    UtAssert_INT32_EQ(CFE_SB_ReleaseMessageBuffer(MsgBuf), CFE_SUCCESS);
+
+    /* Attempt to double-release, should fail validation */
+    UtAssert_INT32_EQ(CFE_SB_ReleaseMessageBuffer(MsgBuf), CFE_SB_BUFFER_INVALID);
+
+    /* Other bad input checking */
+    UtAssert_INT32_EQ(CFE_SB_ReleaseMessageBuffer(NULL), CFE_SB_BAD_ARGUMENT);
+
+    UtPrintf("Testing: CFE_SB_TransmitBuffer");
+
+    /* Initialize the message content */
+    UtAssert_INT32_EQ(CFE_MSG_Init(&CmdBuf->Msg, CFE_FT_CMD_MSGID, sizeof(CFE_FT_TestCmdMessage_t)), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_MSG_Init(&TlmBuf->Msg, CFE_FT_TLM_MSGID, sizeof(CFE_FT_TestTlmMessage_t)), CFE_SUCCESS);
+
+    UtAssert_INT32_EQ(CFE_SB_TransmitBuffer(CmdBuf, true), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_SB_TransmitBuffer(TlmBuf, true), CFE_SUCCESS);
+
+    /* Attempt to send a buffer which has been released */
+    UtAssert_NOT_NULL(MsgBuf = CFE_SB_AllocateMessageBuffer(sizeof(CFE_MSG_Message_t) + 4));
+    UtAssert_INT32_EQ(CFE_MSG_Init(&MsgBuf->Msg, CFE_FT_CMD_MSGID, sizeof(CFE_MSG_Message_t) + 4), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_SB_ReleaseMessageBuffer(MsgBuf), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_SB_TransmitBuffer(MsgBuf, true), CFE_SB_BUFFER_INVALID);
+
+    /* Attempt to send a NULL buffer */
+    UtAssert_INT32_EQ(CFE_SB_TransmitBuffer(NULL, true), CFE_SB_BAD_ARGUMENT);
+
+    UtPrintf("Testing: CFE_SB_ReceiveBuffer");
+
+    UtAssert_INT32_EQ(CFE_SB_ReceiveBuffer(&MsgBuf, PipeId1, 100), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_MSG_GetMsgId(&MsgBuf->Msg, &MsgId), CFE_SUCCESS);
+    CFE_UtAssert_MSGID_EQ(MsgId, CFE_FT_CMD_MSGID);
+    UtAssert_ADDRESS_EQ(MsgBuf, CmdBuf); /* should be the same actual buffer (not a copy) */
+
+    UtAssert_INT32_EQ(CFE_SB_ReceiveBuffer(&MsgBuf, PipeId1, 100), CFE_SB_TIME_OUT);
+
+    UtAssert_INT32_EQ(CFE_SB_ReceiveBuffer(&MsgBuf, PipeId2, 100), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_MSG_GetMsgId(&MsgBuf->Msg, &MsgId), CFE_SUCCESS);
+    CFE_UtAssert_MSGID_EQ(MsgId, CFE_FT_TLM_MSGID);
+    UtAssert_ADDRESS_EQ(MsgBuf, TlmBuf); /* should be the same actual buffer (not a copy) */
+
+    UtAssert_INT32_EQ(CFE_SB_ReceiveBuffer(&MsgBuf, PipeId2, 100), CFE_SB_TIME_OUT);
+
+    /* Cleanup */
+    UtAssert_INT32_EQ(CFE_SB_DeletePipe(PipeId1), CFE_SUCCESS);
+    UtAssert_INT32_EQ(CFE_SB_DeletePipe(PipeId2), CFE_SUCCESS);
+}
+
+void SBSendRecvTestSetup(void)
+{
+    UtTest_Add(TestBasicTransmitRecv, NULL, NULL, "Test Basic Transmit/Receive");
+    UtTest_Add(TestZeroCopyTransmitRecv, NULL, NULL, "Test Zero Copy Transmit/Receive");
+}