init dest handler unittests

src/fsfw/cfdp/handler/DestHandler.cpp

@@ -37,12 +37,14 @@ ReturnValue_t cfdp::DestHandler::performStateMachine() {
         // Store data was deleted in PDU handler because a store guard is used
         dp.packetListRef.erase(infoIter++);
       }
+      infoIter++;
     }
     if (step == TransactionStep::IDLE) {
       // To decrease the already high complexity of the software, all packets arriving before
       // a metadata PDU are deleted.
       for (auto infoIter = dp.packetListRef.begin(); infoIter != dp.packetListRef.end();) {
         fp.tcStore->deleteData(infoIter->storeId);
+        infoIter++;
       }
       dp.packetListRef.clear();
     }
@@ -73,6 +75,7 @@ ReturnValue_t cfdp::DestHandler::performStateMachine() {
           // Store data was deleted in PDU handler because a store guard is used
           dp.packetListRef.erase(infoIter++);
         }
+        infoIter++;
       }
     }
     if (step == TransactionStep::TRANSFER_COMPLETION) {

src/fsfw/cfdp/handler/DestHandler.h

@@ -103,8 +103,9 @@ class DestHandler {
 
  private:
   struct TransactionParams {
+    // Initialize char vectors with length + 1 for 0 termination
     explicit TransactionParams(size_t maxFileNameLen)
-        : sourceName(maxFileNameLen), destName(maxFileNameLen) {}
+        : sourceName(maxFileNameLen + 1), destName(maxFileNameLen + 1) {}
 
     void reset() {
       pduConf = PduConfig();

src/fsfw/cfdp/pdu/FileDirectiveCreator.cpp

@@ -35,3 +35,5 @@ void FileDirectiveCreator::setDirectiveDataFieldLen(size_t len) {
   // Set length of data field plus 1 byte for the directive octet
   HeaderCreator::setPduDataFieldLen(len + 1);
 }
+
+cfdp::FileDirectives FileDirectiveCreator::getDirectiveCode() const { return directiveCode; }

src/fsfw/cfdp/pdu/FileDirectiveCreator.h

@@ -8,6 +8,8 @@ class FileDirectiveCreator : public HeaderCreator {
   FileDirectiveCreator(PduConfig& pduConf, cfdp::FileDirectives directiveCode,
                        size_t directiveParamFieldLen);
 
+  [[nodiscard]] cfdp::FileDirectives getDirectiveCode() const;
+
   /**
    * This only returns the size of the PDU header + 1 for the directive code octet.
    * Use FileDirectiveCreator::getWholePduSize to get the full packet length, assuming

src/fsfw/cfdp/pdu/MetadataPduCreator.h

@@ -14,6 +14,7 @@ class MetadataPduCreator : public FileDirectiveCreator {
 
   ReturnValue_t serialize(uint8_t** buffer, size_t* size, size_t maxSize,
                           Endianness streamEndianness) const override;
+  using FileDirectiveCreator::serialize;
 
  private:
   MetadataInfo& info;

src/fsfw/cfdp/tlv/StringLv.h

@@ -12,6 +12,9 @@ class StringLv : public Lv {
   StringLv();
   explicit StringLv(const std::string& fileName);
   explicit StringLv(const char* filename, size_t len);
+
+  // Delete the move constructor to avoid passing in a temporary
+  StringLv(const std::string&&) = delete;
 };
 
 }  // namespace cfdp

unittests/cfdp/handler/testDestHandler.cpp

@@ -1,6 +1,7 @@
 #include <catch2/catch_test_macros.hpp>
 
 #include "fsfw/cfdp.h"
+#include "fsfw/cfdp/pdu/MetadataPduCreator.h"
 #include "mocks/AcceptsTmMock.h"
 #include "mocks/EventReportingProxyMock.h"
 #include "mocks/FilesystemMock.h"
@@ -17,6 +18,7 @@ TEST_CASE("CFDP Dest Handler", "[cfdp]") {
   AcceptsTmMock tmReceiver(destQueueId);
   MessageQueueMock mqMock(destQueueId);
   EntityId localId = EntityId(UnsignedByteField<uint16_t>(2));
+  EntityId remoteId = EntityId(UnsignedByteField<uint16_t>(3));
   auto fhMock = FaultHandlerMock();
   auto localEntityCfg = LocalEntityCfg(localId, IndicationCfg(), fhMock);
   auto fsMock = FilesystemMock();
@@ -41,15 +43,34 @@ TEST_CASE("CFDP Dest Handler", "[cfdp]") {
     CHECK(destHandler.getTransactionStep() == DestHandler::TransactionStep::IDLE);
   }
 
+  SECTION("Idle State Machine Iteration") {
+    CHECK(destHandler.performStateMachine() == OK);
+    CHECK(destHandler.getCfdpState() == CfdpStates::IDLE);
+    CHECK(destHandler.getTransactionStep() == DestHandler::TransactionStep::IDLE);
+  }
+
   SECTION("Empty File Transfer") {
-
+    CHECK(destHandler.performStateMachine() == OK);
+    FileSize size(0);
+    std::string srcNameString = "hello.txt";
+    std::string destNameString = "hello-cpy.txt";
+    StringLv srcName(srcNameString);
+    StringLv destName(destNameString);
+    MetadataInfo info(false, cfdp::ChecksumTypes::NULL_CHECKSUM, size, srcName, destName);
+    auto seqNum = TransactionSeqNum(UnsignedByteField<uint16_t>(1));
+    PduConfig conf(remoteId, localId, TransmissionModes::UNACKNOWLEDGED, seqNum);
+    MetadataPduCreator metadataPdu(conf, info);
+    store_address_t storeId;
+    uint8_t* ptr;
+    CHECK(tcStore.getFreeElement(&storeId, metadataPdu.getSerializedSize(), &ptr) == OK);
+    size_t serLen = 0;
+    CHECK(metadataPdu.serialize(ptr, serLen, metadataPdu.getSerializedSize()) == OK);
+    PacketInfo packetInfo(metadataPdu.getPduType(), metadataPdu.getDirectiveCode(), storeId);
+    packetInfoList.push_back(packetInfo);
+    CHECK(destHandler.performStateMachine() == OK);
   }
 
-  SECTION("Small File Transfer") {
+  SECTION("Small File Transfer") {}
 
-  }
+  SECTION("Segmented File Transfer") {}
-
-  SECTION("Segmented File Transfer") {
-    
-  }
 }

unittests/mocks/StorageManagerMock.h

@@ -32,6 +32,9 @@ class StorageManagerMock : public LocalPool {
   std::pair<bool, ReturnValue_t> nextModifyDataCallFails;
   std::pair<bool, ReturnValue_t> nextDeleteDataCallFails;
   std::pair<bool, ReturnValue_t> nextFreeElementCallFails;
+
+  using LocalPool::getFreeElement;
+
   void reset();
 };
 #endif  // FSFW_TESTS_STORAGEMANAGERMOCK_H