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cKit/Foundation/c_LinkQueue.t.c
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#include "c_LinkQueue.h"
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#include "c_Test.h"
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// 专门用于测试测试的值复制结构体
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typedef struct {
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int log_level;
uint32_t timestamp;
} LogMessage_t;
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TEST_CASE(test_link_queue_closure_and_memory_layout) {
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c_LinkQueue_t queue;
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// 初始化一个专门存放 LogMessage_t 结构的泛型单向链式队列
ASSERT_INT_EQ(C_ERR_OK, c_LinkQueue_Init(&queue, sizeof(LogMessage_t), NULL));
ASSERT_TRUE(c_LinkQueue_IsEmpty(&queue));
ASSERT_TRUE(queue.head == NULL);
ASSERT_TRUE(queue.tail == NULL);
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LogMessage_t msg1 = { .log_level = 1, .timestamp = 11111 };
LogMessage_t msg2 = { .log_level = 2, .timestamp = 22222 };
LogMessage_t msg3 = { .log_level = 3, .timestamp = 33333 };
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// 1. 验证入队操作与二级指针空安全合并能力
ASSERT_INT_EQ(C_ERR_OK, c_LinkQueue_Enqueue(&queue, &msg1)); // 第一次插入:head == tail == msg1
ASSERT_PTR_NOT_NULL(queue.head);
ASSERT_TRUE(queue.head == queue.tail);
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ASSERT_INT_EQ(C_ERR_OK, c_LinkQueue_Enqueue(&queue, &msg2)); // 正常挂接:head->msg1, tail->msg2
ASSERT_INT_EQ(C_ERR_OK, c_LinkQueue_Enqueue(&queue, &msg3)); // 正常挂接:head->msg1, tail->msg3
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ASSERT_INT_EQ(3, c_LinkQueue_Size(&queue));
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// 强隔离隔离性检查:修改临时外部变量,内部数据不应被污染
msg1.log_level = 999;
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// 2. 验证 Peek 窥探能力
LogMessage_t* peeked = (LogMessage_t*)c_LinkQueue_Peek(&queue);
ASSERT_PTR_NOT_NULL(peeked);
ASSERT_INT_EQ(1, peeked->log_level); // 依旧是 1,证明值复制强屏障有效
// 3. 【严苛验证变长内存布局的拓扑对齐情况】
// 根据变长公式寻址:QUEUE_NODE_DATA(node) 必须与抛出的数据指针完全吻合
ASSERT_TRUE(c_LinkQueueNode_Get(queue.head) == peeked);
// 队尾节点的寻址验证
LogMessage_t* tail_data = c_LinkQueueNode_Get(queue.tail);
ASSERT_INT_EQ(3, tail_data->log_level);
// 4. 出队顺序与先进先出(FIFO)及边界收缩断言 (Dequeue)
LogMessage_t out_res;
ASSERT_INT_EQ(C_ERR_OK, c_LinkQueue_Dequeue(&queue, &out_res));
ASSERT_INT_EQ(1, out_res.log_level);
ASSERT_INT_EQ(11111, out_res.timestamp);
ASSERT_INT_EQ(C_ERR_OK, c_LinkQueue_Dequeue(&queue, &out_res));
ASSERT_INT_EQ(2, out_res.log_level);
// 此时队列只剩最后一个元素 msg3,head 应当等同于 tail
ASSERT_TRUE(queue.head == queue.tail);
ASSERT_INT_EQ(1, c_LinkQueue_Size(&queue));
// 最后一个元素出队,迫使尾指针恢复到你指定的 0 纯净空空空状态
ASSERT_INT_EQ(C_ERR_OK, c_LinkQueue_Dequeue(&queue, &out_res));
ASSERT_INT_EQ(3, out_res.log_level);
// 终极下溢复位检查
ASSERT_TRUE(c_LinkQueue_IsEmpty(&queue));
ASSERT_TRUE(queue.head == NULL);
ASSERT_TRUE(queue.tail == NULL);
// 防御重复下溢出队,应当报错拒绝
ASSERT_INT_EQ(C_ERR_OUTOFBOUND, c_LinkQueue_Dequeue(&queue, &out_res));
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c_LinkQueue_Destroy(&queue);
}
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int main(void) {
TEST_START(C_LinkQueue_Generic_Layout_Tests);
RUN_TEST(test_link_queue_closure_and_memory_layout);
TEST_REPORT();
RETURN_TEST_STATUS;
}
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