Implemented tests for concept test case 00056

src/common/generators/plantuml/generator.cc

@@ -37,6 +37,8 @@ std::string to_plantuml(relationship_t r, const std::string &style)
         return style.empty() ? "<.." : fmt::format("<.[{}].", style);
     case relationship_t::kDependency:
         return style.empty() ? "..>" : fmt::format(".[{}].>", style);
+    case relationship_t::kConstraint:
+        return style.empty() ? "..>" : fmt::format(".[{}].>", style);
     case relationship_t::kAlias:
         return style.empty() ? ".." : fmt::format(".[{}].", style);
     default:

src/common/model/enums.cc

@@ -46,6 +46,8 @@ std::string to_string(relationship_t r)
         return "dependency";
     case relationship_t::kAlias:
         return "alias";
+    case relationship_t::kConstraint:
+        return "constraint";
     default:
         assert(false);
         return "";

src/common/model/enums.h

@@ -36,7 +36,8 @@ enum class relationship_t {
     kInstantiation,
     kFriendship,
     kAlias,
-    kDependency
+    kDependency,
+    kConstraint
 };
 
 /// Types of sequence diagram activity elements