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cKit/Sort/c_MinPQ.t.c

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+#include "c_MinPQ.h"
+#include <stdlib.h>
+#include <stdio.h>
+
+
+#define EXPECT_EQ(val1, val2, msg) \
+    do { \
+        if ((val1) != (val2)) { printf("  [X] Failed: %s (Expected %d, got %d)\n", msg, (int)(val2), (int)(val1)); return false; } \
+    } while(0)
+
+// Complex element structural payload
+typedef struct {
+    int packet_id;
+    int latency_ms;  // Primary sorting metric (smaller value = higher priority = popped first)
+} NetworkPacket;
+
+// Min-Heap comparator: Returns negative if a < b
+int comparePacketsByLatency(const void* a, const void* b) {
+    return (((NetworkPacket*)a)->latency_ms - ((NetworkPacket*)b)->latency_ms);
+}
+
+// Validation Pipeline Function
+bool test_minpq_functional_flow(void) {
+    c_MinPQ_t pq;
+    // Initialize with a tiny capacity of 2 to verify dynamic allocation resize steps
+    EXPECT_EQ(c_MinPQ_Init(&pq, 2, sizeof(NetworkPacket), comparePacketsByLatency), C_ERR_OK, "Initialization failed");
+
+    NetworkPacket packets[] = {
+        { 7001, 120 }, // High Latency
+        { 7002, 15  }, // Ultra-low Latency (Should be extracted first!)
+        { 7003, 45  }, // Mid Latency
+        { 7004, 80  }  // High-mid Latency
+    };
+
+    // 1. Push Operations
+    EXPECT_EQ(c_MinPQ_Push(&pq, &packets[0]), C_ERR_OK, "Push 0 failed");
+    EXPECT_EQ(c_MinPQ_Push(&pq, &packets[1]), C_ERR_OK, "Push 1 failed");
+    EXPECT_EQ(c_MinPQ_Push(&pq, &packets[2]), C_ERR_OK, "Push 2 failed (Triggers automatic resize expansion)");
+    EXPECT_EQ(c_MinPQ_Push(&pq, &packets[3]), C_ERR_OK, "Push 3 failed");
+    EXPECT_EQ(pq.size, 4, "Active queue size layout tracker mismatched");
+
+    // 2. Peek Verification (Must target the absolute minimum latency element)
+    NetworkPacket* peeked = (NetworkPacket*)c_MinPQ_Peek(&pq);
+    EXPECT_EQ(peeked != NULL && peeked->latency_ms == 15, true, "Peek failed to find minimum item root pointer");
+
+    // 3. Sequential Extraction (Pop validation)
+    NetworkPacket out;
+
+    // Pop 1: Latency 15 (ID 7002)
+    EXPECT_EQ(c_MinPQ_Pop(&pq, &out), C_ERR_OK, "Pop 1 crashed");
+    EXPECT_EQ(out.packet_id, 7002, "Min extraction sequence failed at item 1");
+
+    // Pop 2: Latency 45 (ID 7003)
+    EXPECT_EQ(c_MinPQ_Pop(&pq, &out), C_ERR_OK, "Pop 2 crashed");
+    EXPECT_EQ(out.packet_id, 7003, "Min extraction sequence failed at item 2");
+
+    // Pop 3: Latency 80 (ID 7004)
+    EXPECT_EQ(c_MinPQ_Pop(&pq, &out), C_ERR_OK, "Pop 3 crashed");
+    EXPECT_EQ(out.packet_id, 7004, "Min extraction sequence failed at item 3");
+
+    // Pop 4: Latency 120 (ID 7001)
+    EXPECT_EQ(c_MinPQ_Pop(&pq, &out), C_ERR_OK, "Pop 4 crashed");
+    EXPECT_EQ(out.packet_id, 7001, "Min extraction sequence failed at item 4");
+
+    // 4. Empty and Bounds Verification
+    EXPECT_EQ(pq.size, 0, "Queue did not empty out properly");
+    EXPECT_EQ(c_MinPQ_Pop(&pq, &out), C_ERR_EMPTY, "Pop on empty queue did not throw C_ERR_EMPTY");
+
+    c_MinPQ_Destroy(&pq);
+    return true;
+}
+
+int main(void) {
+    printf("=== Starting Custom Framework Testing for c_MinPQ ===\n");
+
+    if (test_minpq_functional_flow()) {
+        printf("  [PASS] Test: Min-Heap Push/Pop Sifting and Resizing Sequences Verified Successfully\n");
+    }
+
+    printf("=== All Min-Priority Queue Framework Tests Completed ===\n");
+    return 0;
+}