diff --git a/CSVtest.cpp b/CSVtest.cpp
new file mode 100644
index 0000000..00bb677
--- /dev/null
+++ b/CSVtest.cpp
@@ -0,0 +1,56 @@
+#include <iostream>
+#include "CSVReader.h"
+
+using namespace std;
+
+// 测试按行读取
+void testReadByLine(const string& filename) {
+    cout << "=== 测试按行读取 ===" << endl;
+    CSVReader reader(filename);
+    vector<CSVRow> rows = reader.readByLine();
+    for (const auto& row : rows) {
+        for (const auto& cell : row.data) {
+            cout << cell << " ";
+        }
+        cout << endl;
+    }
+    cout << "=== 按行读取测试结束 ===\n" << endl;
+}
+
+// 测试按块读取
+void testReadByBlock(const string& filename, int blockSize) {
+    cout << "=== 测试按块读取（块大小: " << blockSize << " 行） ===" << endl;
+    CSVReader reader(filename);
+    vector<CSVRow> rows = reader.readByBlock(blockSize);
+    for (const auto& row : rows) {
+        for (const auto& cell : row.data) {
+            cout << cell << " ";
+        }
+        cout << endl;
+    }
+    cout << "=== 按块读取测试结束 ===\n" << endl;
+}
+
+// 测试按字节读取
+void testReadByByte(const string& filename, int byteSize) {
+    cout << "=== 测试按字节读取（字节数: " << byteSize << "） ===" << endl;
+    CSVReader reader(filename);
+    string bytes = reader.readByByte(byteSize);
+    cout << "读取的字节内容: " << bytes << endl;
+    cout << "=== 按字节读取测试结束 ===\n" << endl;
+}
+
+int main() {
+    string filename = "example.csv"; // 测试文件路径
+
+    // 测试按行读取
+    testReadByLine(filename);
+
+    // 测试按块读取
+    testReadByBlock(filename, 2); // 读取 2 行
+
+    // 测试按字节读取
+    testReadByByte(filename, 10); // 读取 10 个字节
+
+    return 0;
+}
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