Graph

2026-09-07 18:48:16 +08:00
parent 1564716731
commit c945aa211f
138 changed files with 10337 additions and 150 deletions
@@ -0,0 +1,51 @@
+#include "c_Test.h"
+#include "c_Digraph.h"
+#include "c_NonrecursiveGabowSCC.h"
+
+TEST_CASE(test_nonrecursive_gabow_scc) {
+    c_Digraph_t g;
+    c_err_t err = c_Digraph_Init(&g, 5, NULL);
+    ASSERT_INT_EQ(C_SUCCESS, err);
+
+    /* Setup cyclic component tracking bounds:
+     * Component 1: 0 -> 1 -> 2 -> 0
+     * Exit Bridge:  2 -> 3
+     * Component 2: 3 -> 4 -> 3
+     */
+    c_Digraph_AddEdge(&g, 0, 1);
+    c_Digraph_AddEdge(&g, 1, 2);
+    c_Digraph_AddEdge(&g, 2, 0);
+    c_Digraph_AddEdge(&g, 2, 3);
+    c_Digraph_AddEdge(&g, 3, 4);
+    c_Digraph_AddEdge(&g, 4, 3);
+
+    c_NonrecursiveGabowSCC_t scc;
+    err = c_NonrecursiveGabowSCC_Init(&scc, &g, NULL);
+    ASSERT_INT_EQ(C_SUCCESS, err);
+
+    /* Verify proper isolation partitions count values */
+    ASSERT_LL_EQ(2, c_NonrecursiveGabowSCC_GetCount(&scc));
+
+    /* Verify connected state mappings */
+    ASSERT_TRUE(c_NonrecursiveGabowSCC_StronglyConnected(&scc, 0, 1));
+    ASSERT_TRUE(c_NonrecursiveGabowSCC_StronglyConnected(&scc, 1, 2));
+    ASSERT_TRUE(c_NonrecursiveGabowSCC_StronglyConnected(&scc, 3, 4));
+    ASSERT_FALSE(c_NonrecursiveGabowSCC_StronglyConnected(&scc, 0, 3));
+
+    c_NonrecursiveGabowSCC_Destroy(&scc);
+    c_Digraph_Destroy(&g);
+}
+
+int main(void) {
+    /* Bootstrapping test environment wrapper */
+    TEST_START(Test);
+
+    /* Run specified edge cases */
+    RUN_TEST(test_nonrecursive_gabow_scc);
+
+    /* Generate total logging matrix summaries sheet */
+    TEST_REPORT();
+
+    /* Unwind tracking status frames code signals */
+    RETURN_TEST_STATUS;
+}