add edge in disconnected graph test

bobluppes · Sep 28, 2023 · af5607e · af5607e
1 parent 3747d27
commit af5607e
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/test/graaflib/algorithm/minimum_spanning_tree_test.cpp b/test/graaflib/algorithm/minimum_spanning_tree_test.cpp
@@ -251,6 +251,9 @@ TEST(PrimMstTest, DisconnectedGraph) {
   graph_t graph{};
   const auto start_vertex{graph.add_vertex(10)};
   [[maybe_unused]] const auto vertex_1{graph.add_vertex(20)};
+  [[maybe_unused]] const auto vertex_2{graph.add_vertex(30)};
+
+  graph.add_edge(start_vertex, vertex_1, 100);
 
   // WHEN
   const auto mst{prim_minimum_spanning_tree(graph, start_vertex)};