2026-08-29 01:50:50 +08:00
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#include "c_LinkList.h"
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#include <stdlib.h>
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#include <stdio.h>
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2026-08-30 01:48:03 +08:00
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#include "c_Test.h"
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2026-08-29 01:50:50 +08:00
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typedef struct {
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int id;
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int is_processed;
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} DataEvent_t;
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TEST_CASE(test_nosentinel_link_list_and_iterator_flow) {
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c_LinkList_t list;
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// 验证你的新 Init API
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ASSERT_INT_EQ(C_ERR_OK, c_LinkList_Init(&list, sizeof(DataEvent_t), NULL));
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ASSERT_TRUE(0==list.head); // 确认 head 严格等于 0
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ASSERT_TRUE(c_LinkList_IsEmpty(&list));
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DataEvent_t e1 = { .id = 10, .is_processed = 1 }; // 已处理,迭代时擦除
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DataEvent_t e2 = { .id = 20, .is_processed = 0 };
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DataEvent_t e3 = { .id = 30, .is_processed = 1 }; // 已处理,边界连续擦除
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DataEvent_t e4 = { .id = 40, .is_processed = 0 };
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2026-08-30 01:48:03 +08:00
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// 1. 验证 AddTail 与 AddHead 在无哨兵下的完美二级指针闭环运转
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ASSERT_INT_EQ(C_ERR_OK, c_LinkList_AddTail(&list, &e1)); // Head -> 10
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ASSERT_INT_EQ(C_ERR_OK, c_LinkList_AddTail(&list, &e2)); // Head -> 10 -> 20
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ASSERT_INT_EQ(C_ERR_OK, c_LinkList_AddTail(&list, &e3)); // Head -> 10 -> 20 -> 30
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ASSERT_INT_EQ(C_ERR_OK, c_LinkList_AddHead(&list, &e4)); // 头插 40, 拓扑进化为: Head -> 40 -> 10 -> 20 -> 30
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ASSERT_INT_EQ(4, c_LinkList_Size(&list));
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// 2. 启动极致无哨兵二级指针迭代清理流
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c_LinkListIter_t it;
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c_LinkListIter_Init(&it, &list);
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int scanned = 0;
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while (c_LinkListIter_HasNext(&it)) {
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DataEvent_t* ev = (DataEvent_t*)c_LinkListIter_Get(&it);
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ASSERT_PTR_NOT_NULL(ev);
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scanned++;
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if (ev->is_processed) {
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// 自主剔除:当剔除 e1(10) 时,由于它是当时的第二项,其前驱是 e4 的 next
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// 当剔除头项或末尾项时,二级指针无需任何 if 分支,在硬件层面一路展平串联
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c_LinkListIter_Remove(&it);
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continue;
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}
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c_LinkListIter_Next(&it);
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}
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// 3. 终极断言验证
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ASSERT_INT_EQ(4, scanned);
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ASSERT_INT_EQ(2, c_LinkList_Size(&list)); // 2 个已处理的脏数据被定点抹杀
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// 严苛验证存活项的相对物理连续性 (剩下了 40 和 20)
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DataEvent_t* r0 = (DataEvent_t*)c_LinkList_Get(&list, 0);
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DataEvent_t* r1 = (DataEvent_t*)c_LinkList_Get(&list, 1);
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ASSERT_PTR_NOT_NULL(r0);
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ASSERT_PTR_NOT_NULL(r1);
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ASSERT_INT_EQ(40, r0->id);
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ASSERT_INT_EQ(20, r1->id);
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// 校验 naked 单链表的物理封底指针是否干净合拢
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ASSERT_TRUE(c_LinkNode_Get(list.head) == r0); // list.head 应该妥妥地挂在 40 节点上
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ASSERT_TRUE(c_LinkNode_Get(list.head->next) == r1); // 40 的下一个由于 10 死了,直接跨越连到了 20 节点
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ASSERT_TRUE(c_LinkNode_Get(list.head->next->next) == NULL); // 20 作为最后一个节点,其 next 指针域必须被强制完美封底为 NULL
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c_LinkList_Destroy(&list);
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}
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int main(void) {
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TEST_START(C_NoSentinel_LinkList_System_Tests);
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RUN_TEST(test_nosentinel_link_list_and_iterator_flow);
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TEST_REPORT();
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RETURN_TEST_STATUS;
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}
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