Graph

2026-09-07 18:48:16 +08:00
parent 1564716731
commit c945aa211f
138 changed files with 10337 additions and 150 deletions
@@ -0,0 +1,42 @@
+#include "c_Test.h"
+#include "c_EdgeWeightedGraph.h"
+
+TEST_CASE(test_edge_weighted_graph_plumbing) {
+    c_EdgeWeightedGraph_t graph;
+    c_err_t err = c_EdgeWeightedGraph_Init(&graph, 3, NULL);
+    ASSERT_INT_EQ(C_SUCCESS, err);
+
+    ASSERT_LL_EQ(3, c_EdgeWeightedGraph_GetV(&graph));
+    ASSERT_LL_EQ(0, c_EdgeWeightedGraph_GetE(&graph));
+
+    /* Inject a single undirected connection step: 0 - 1 (Weight: 3.5) */
+    err = c_EdgeWeightedGraph_AddEdge(&graph, 0, 1, 3.5);
+    ASSERT_INT_EQ(C_SUCCESS, err);
+    ASSERT_LL_EQ(1, c_EdgeWeightedGraph_GetE(&graph));
+
+    /* Inspect connectivity lists for index point 0 */
+    c_AdjList_t* zero_adj = &graph.adj_list[0];
+    ASSERT_INT_EQ(1, c_AdjList_GetSize(zero_adj));
+
+    c_uint_t generic_id = 0;
+    err = c_AdjList_Get(zero_adj, 0, &generic_id);
+    ASSERT_INT_EQ(C_SUCCESS, err);
+
+    /* Fetch edge references out from pool */
+    c_Edge_t* resolved_edge = &graph.edges_pool[(c_size_t)generic_id];
+    ASSERT_DOUBLE_EQ_MSG(3.5, c_Edge_Weight(resolved_edge), "Weight match failed");
+
+    /* Validate endpoints parsing */
+    c_size_t start_node = c_Edge_Either(resolved_edge);
+    ASSERT_LL_EQ(0, start_node);
+    ASSERT_LL_EQ(1, c_Edge_Other(resolved_edge, start_node));
+
+    c_EdgeWeightedGraph_Destroy(&graph);
+}
+
+int main(void) {
+    TEST_START(EdgeWeightedGraph_Plumbing_Suite);
+    RUN_TEST(test_edge_weighted_graph_plumbing);
+    TEST_REPORT();
+    RETURN_TEST_STATUS;
+}