70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
#include "c_Array.h"
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#include "c_Test.h"
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// 用于测试的密集结构体
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typedef struct {
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uint8_t r;
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uint8_t g;
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uint8_t b;
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} PixelRGB_t;
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TEST_CASE(test_fixed_generic_array_flow) {
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c_Array_t img_line;
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// 初始化一个长度固定为 3 的 RGB 像素扁平大数组
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ASSERT_INT_EQ(C_ERR_OK, c_Array_Init(&img_line, sizeof(PixelRGB_t), 3, NULL));
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ASSERT_INT_EQ(3, c_Array_Size(&img_line));
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ASSERT_PTR_NOT_NULL(img_line.array);
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PixelRGB_t red = { .r = 255, .g = 0, .b = 0 };
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PixelRGB_t green = { .r = 0, .g = 255, .b = 0 };
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PixelRGB_t white = { .r = 255, .g = 255, .b = 255 };
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// 1. 验证定点写入 (Write)
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ASSERT_INT_EQ(C_ERR_OK, c_Array_Write(&img_line, 0, &red));
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ASSERT_INT_EQ(C_ERR_OK, c_Array_Write(&img_line, 1, &green));
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// 防御越界写入，应当报错拒绝
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ASSERT_INT_EQ(C_ERR_PARAM, c_Array_Write(&img_line, 3, &white));
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// 2. 验证定点读取与值复制强屏障 (Read)
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PixelRGB_t read_res;
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ASSERT_INT_EQ(C_ERR_OK, c_Array_Read(&img_line, 0, &read_res));
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ASSERT_INT_EQ(255, read_res.r);
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ASSERT_INT_EQ(0, read_res.g);
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// 修改局部临时变量，验证内部数据不受二次污染
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red.r = 123;
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ASSERT_INT_EQ(C_ERR_OK, c_Array_Read(&img_line, 0, &read_res));
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ASSERT_INT_EQ(255, read_res.r); // 内部依旧是 255，证明完美值隔离
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// 3. 验证原位窥探能力 (Get)
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PixelRGB_t* direct_ptr = (PixelRGB_t*)c_Array_Get(&img_line, 1);
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ASSERT_PTR_NOT_NULL(direct_ptr);
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ASSERT_INT_EQ(255, direct_ptr->g);
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// 严苛验证固定物理内存布局：
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// 索引 1 的地址必须与数组首地址精准偏移 1 个 item_size 字节，完全不存在任何链式空隙
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ASSERT_TRUE((void*)((char*)img_line.array + sizeof(PixelRGB_t)) == (void*)direct_ptr);
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// 4. 验证全局批量刷值功能 (Fill)
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ASSERT_INT_EQ(C_ERR_OK, c_Array_Fill(&img_line, &white));
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// 抽样验证填充后的每一项是否全变成了白色
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PixelRGB_t* check_p2 = (PixelRGB_t*)c_Array_Get(&img_line, 2);
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ASSERT_INT_EQ(255, check_p2->r);
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ASSERT_INT_EQ(255, check_p2->g);
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ASSERT_INT_EQ(255, check_p2->b);
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c_Array_Destroy(&img_line);
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}
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int main(void) {
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printf("\n");
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TEST_START(C_Fixed_Array_Core_Layout_Tests);
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RUN_TEST(test_fixed_generic_array_flow);
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TEST_REPORT();
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RETURN_TEST_STATUS;
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}
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