diff --git a/third-party/gtest.cpp b/third-party/gtest.cpp
new file mode 100644
index 0000000..84fea9d
--- /dev/null
+++ b/third-party/gtest.cpp
@@ -0,0 +1,114 @@
+#include <gtest/gtest.h>
+#include <cmath>
+#include <cstdio>
+#include <cstdlib>
+#include <iostream>
+#include <algorithm>
+#include <string>
+#include <cstring>
+#include "../tools/ssummary.h"
+#include "../include/heavykeeper.h"
+#include "../tools/BOBHash32.h"
+#include "../tools/BOBHash64.h"
+#include "../tools/params.h"
+#include <pthread.h>
+//using namespace std;
+int hktest1(){
+    
+    int K=10;
+    int hk_M;
+    string x="1122334455667788";
+    string y="2233445566778899";
+    for (hk_M = 1; 32 * hk_M * HK_d + 432 * K <= 10 * 1024 * 8; hk_M++); if (hk_M % 2 == 0) hk_M--;
+    heavykeeper* hk; hk = new heavykeeper(hk_M, K); hk->clear();
+    hk->Insert(x);
+    hk->Insert(y);
+    hk->work();
+    return hk->test1();   //插入一个、两个流，进行测试
+
+
+}
+int hktest2(){
+    
+    int K=10;
+    int hk_M;
+    string x="1122334455667788";
+    for (hk_M = 1; 32 * hk_M * HK_d + 432 * K <= 10 * 1024 * 8; hk_M++); if (hk_M % 2 == 0) hk_M--;
+    heavykeeper* hk; hk = new heavykeeper(hk_M, K); hk->clear();
+    for(int i=0;i<10;i++) hk->Insert(x);
+    hk->work();
+    return hk->test2(x);     //tongji you duoshaoge 
+
+
+}
+int hktest3(){
+    
+    int K=2;
+    int hk_M;
+    string x="11223344";
+    string y="22334455";
+    for (hk_M = 1; 32 * hk_M * HK_d + 432 * K <= 10 * 1024 * 8; hk_M++); if (hk_M % 2 == 0) hk_M--;
+    heavykeeper* hk; hk = new heavykeeper(hk_M, K); hk->clear();
+    for(int i=0;i<10;i++) hk->Insert(x);
+    hk->Insert(y);
+    string z="33445566";
+    hk->Insert(z);
+    hk->work();
+    return hk->test1();    //tongji tot
+
+
+}
+int hktest4(){
+    
+    int K=1;
+    int hk_M;
+    string x="11223344";
+    
+    for (hk_M = 1; 32 * hk_M * HK_d + 432 * K <= 10 * 1024 * 8; hk_M++); if (hk_M % 2 == 0) hk_M--;
+    heavykeeper* hk; hk = new heavykeeper(hk_M, K); hk->clear();
+    for(int i=0;i<23;i++) hk->Insert(x);
+    string z="33445566"; //yu x zhiwen xiangtong   you keneng huibiancheng 9
+    hk->Insert(z);
+    hk->work();
+    return hk->test2(x);  
+
+
+}
+int hktest5(){
+    
+    int K=1;
+    int hk_M;
+    string x="11223344";
+    
+    for (hk_M = 1; 32 * hk_M * HK_d + 432 * K <= 10 * 1024 * 8; hk_M++); if (hk_M % 2 == 0) hk_M--;
+    heavykeeper* hk; hk = new heavykeeper(hk_M, K); hk->clear();
+    for(int i=0;i<2;i++) hk->Insert(x);
+    string z="33445566"; //yu x zhiwen xiangtong   you keneng huibiancheng 9
+    hk->Insert(z);
+    hk->work();
+    return hk->test2(x);  
+}
+TEST(HKTEST,HKTEST1)
+{
+     EXPECT_EQ(hktest1(),2);
+     EXPECT_EQ(hktest2(),10);
+     EXPECT_EQ(hktest3(),2);
+     if (hktest4()==23)
+     EXPECT_EQ(hktest4(),23);
+     else if(hktest4()==22)
+     EXPECT_EQ(hktest4(),22);
+     else EXPECT_FALSE(hktest4());
+     if(hktest5()==2)
+     EXPECT_EQ(hktest5(),2);
+     else if(hktest5()==1)
+     EXPECT_EQ(hktest5(),2);
+     else EXPECT_FALSE(hktest5());
+}
+int main(int argc,char **argv)
+{     
+    
+     testing::InitGoogleTest(&argc,argv);
+     return RUN_ALL_TESTS();
+}
+
+