Search / Sort

Sort/c_MaxPQ.t.c

@@ -0,0 +1,72 @@
+#include "c_MaxPQ.h"
+#include "c_Test.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+
+// ==========================================
+// 测试辅助：比对器
+// ==========================================
+static int max_pq_compare_ints(const void* a, const void* b, void* args) {
+    (void)args;
+    int arg1 = *(const int*)a;
+    int arg2 = *(const int*)b;
+    if (arg1 < arg2) return -1;
+    if (arg1 > arg2) return 1;
+    return 0;
+}
+
+
+TEST_CASE(test_c_MaxPQ_AllocatorFallbackFlow) {
+    c_MaxPQ_t fallback_pq;
+
+    // 🌟 核心投毒测试：最后一个参数故意硬性传入 NULL 分配器！
+    // 修复后：内部应当优雅放行、完美降级对接 c_DefaultAllocator 并开辟数据成功
+    c_err_t err = c_MaxPQ_Init(&fallback_pq, 2, sizeof(int), max_pq_compare_ints, NULL, NULL);
+    ASSERT_INT_EQ(C_ERR_OK, err);
+
+    int data[] = { 19, 88, 45, 6, 73 };
+    c_size_t num = sizeof(data) / sizeof(data[0]);
+
+    for (c_size_t i = 0; i < num; i++) {
+        ASSERT_TRUE(c_MaxPQ_Push(&fallback_pq, &data[i])==C_ERR_OK);
+    }
+    ASSERT_INT_EQ((int)num, (int)fallback_pq.size);
+
+    int previous_extracted = 999999;
+    int current_extracted = 0;
+
+    // 逐级提取验证大顶堆单调性
+    while (fallback_pq.size > 0) {
+        ASSERT_TRUE(c_MaxPQ_Peek(&fallback_pq, &current_extracted)==C_ERR_OK);
+
+        int pop_verify = 0;
+        ASSERT_TRUE(c_MaxPQ_Pop(&fallback_pq, &pop_verify)==C_ERR_OK);
+        ASSERT_INT_EQ(current_extracted, pop_verify);
+
+        ASSERT_TRUE(previous_extracted >= current_extracted);
+        previous_extracted = current_extracted;
+    }
+
+    ASSERT_INT_EQ(0, (int)fallback_pq.size);
+
+    // 彻底解构反初始化
+    c_MaxPQ_Destroy(&fallback_pq);
+}
+
+TEST_CASE(test_c_MaxPQ_ParamConstraints) {
+    c_MaxPQ_t local_pq;
+    // 验证关键参数如 self 或 elem_size 缺失时的拦截线依然坚固
+    ASSERT_INT_EQ(C_ERR_PARAM, c_MaxPQ_Init(NULL, 4, sizeof(int), max_pq_compare_ints, NULL, NULL));
+    ASSERT_INT_EQ(C_ERR_PARAM, c_MaxPQ_Init(&local_pq, 4, 0, max_pq_compare_ints, NULL, NULL));
+    ASSERT_INT_EQ(C_ERR_PARAM, c_MaxPQ_Init(&local_pq, 4, sizeof(int), NULL, NULL, NULL));
+}
+
+
+int main(int argc, char** argv){
+    TEST_START(C_MaxPQ_AllocatorFallback_TestSuite);
+    RUN_TEST(test_c_MaxPQ_AllocatorFallbackFlow);
+    RUN_TEST(test_c_MaxPQ_ParamConstraints);
+    TEST_REPORT();
+    return (g_test_registry.failed_count > 0 ? 1 : 0);
+}