Graph

2026-09-07 18:48:16 +08:00
parent 1564716731
commit c945aa211f
138 changed files with 10337 additions and 150 deletions
@@ -0,0 +1,48 @@
+#include "c_Test.h"
+#include "c_EdgeWeightedGraph.h"
+#include "c_BoruvkaMST.h"
+#include "c_VertexIdList.h"
+
+TEST_CASE(test_boruvka_mst_evaluation) {
+    c_EdgeWeightedGraph_t g;
+    c_err_t err = c_EdgeWeightedGraph_Init(&g, 4, NULL);
+    ASSERT_INT_EQ(C_SUCCESS, err);
+
+    /* Construct a generic evaluation cyclic graph:
+     * 0 - 1 (Weight: 1.0) -> Expected in MST
+     * 1 - 2 (Weight: 2.0) -> Expected in MST
+     * 2 - 3 (Weight: 3.0) -> Expected in MST
+     * 3 - 0 (Weight: 4.0) -> Skipped
+     * 0 - 2 (Weight: 5.0) -> Skipped
+     */
+    c_EdgeWeightedGraph_AddEdge(&g, 0, 1, 1.0);
+    c_EdgeWeightedGraph_AddEdge(&g, 1, 2, 2.0);
+    c_EdgeWeightedGraph_AddEdge(&g, 2, 3, 3.0);
+    c_EdgeWeightedGraph_AddEdge(&g, 3, 0, 4.0);
+    c_EdgeWeightedGraph_AddEdge(&g, 0, 2, 5.0);
+
+    c_BoruvkaMST_t boruvka;
+    err = c_BoruvkaMST_Init(&boruvka, &g, 0);
+    ASSERT_INT_EQ(C_SUCCESS, err);
+
+    /* Minimal spanning total weight sum must equal 1.0 + 2.0 + 3.0 = 6.0 */
+    ASSERT_DOUBLE_EQ_MSG(6.0, c_BoruvkaMST_Weight(&boruvka), "Boruvka MST weight computation mismatch");
+
+    c_VertexIdList_t result_list;
+    c_VertexIdList_Init(&result_list, 0, 0);
+
+    err = c_BoruvkaMST_GetEdges(&boruvka, &result_list);
+    ASSERT_INT_EQ(C_SUCCESS, err);
+    ASSERT_INT_EQ(3, c_UIntArray_GetSize(&result_list));
+
+    c_VertexIdList_Destroy(&result_list);
+    c_BoruvkaMST_Destroy(&boruvka);
+    c_EdgeWeightedGraph_Destroy(&g);
+}
+
+int main(void) {
+    TEST_START(Boruvka_MST_Verification_Suite);
+    RUN_TEST(test_boruvka_mst_evaluation);
+    TEST_REPORT();
+    RETURN_TEST_STATUS;
+}