diff --git a/TinySTL/Test/SharedPtrTest.cpp b/TinySTL/Test/SharedPtrTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..219be6d1d36705f999c7d223c5d24cd33b2e0e76
--- /dev/null
+++ b/TinySTL/Test/SharedPtrTest.cpp
@@ -0,0 +1,40 @@
+#include "SharedPtrTest.h"
+
+#include "../String.h"
+
+namespace TinySTL{
+	namespace SharedPtrTest{
+		void testCase1(){
+			shared_ptr<int> sp1(new int(10));
+			assert(*(sp1.get()) == 10);
+			
+			shared_ptr<int> sp2(new int(1), default_delete<int>());
+			assert(sp2.use_count() == 1);
+
+			auto sp3(sp2);
+			assert(sp3.use_count() == 2);
+			
+			auto sp4 = sp2;
+			assert(sp4.use_count() == 3);
+
+			assert(sp2.get() == sp3.get() && sp2.get() == sp4.get());
+			assert(sp2 == sp3 && !(sp2 != sp4));
+
+			shared_ptr<string> sp5(new string("hello"));
+			assert(*sp5 == "hello");
+			sp5->append(" world");
+			assert(*sp5 == "hello world");
+
+			auto sp6 = make_shared<string>(10, '0');
+			assert(*sp6 == "0000000000");
+
+			shared_ptr<int> spp;
+			assert(spp == nullptr);
+			assert(!(spp != nullptr));
+		}
+
+		void testAllCases(){
+			testCase1();
+		}
+	}
+}
\ No newline at end of file
diff --git a/TinySTL/Test/SharedPtrTest.h b/TinySTL/Test/SharedPtrTest.h
new file mode 100644
index 0000000000000000000000000000000000000000..16922da3651d7ce0be77de04cc520f00f82a470f
--- /dev/null
+++ b/TinySTL/Test/SharedPtrTest.h
@@ -0,0 +1,16 @@
+#ifndef _SHARED_PTR_TEST_H_
+#define _SHARED_PTR_TEST_H_
+
+#include "../Memory.h"
+
+#include <cassert>
+
+namespace TinySTL{
+	namespace SharedPtrTest{
+		void testCase1();
+
+		void testAllCases();
+	}
+}
+
+#endif
\ No newline at end of file
diff --git a/TinySTL/TinySTL.vcxproj b/TinySTL/TinySTL.vcxproj
index c4c559aa69c383cef5af6423696e5553edf85297..222161f3ff328d6a73bb70325ad5920b92e6cb93 100644
--- a/TinySTL/TinySTL.vcxproj
+++ b/TinySTL/TinySTL.vcxproj
@@ -97,6 +97,7 @@
     <ClCompile Include="Test\PriorityQueueTest.cpp" />
     <ClCompile Include="Test\QueueTest.cpp" />
     <ClCompile Include="Test\RefTest.cpp" />
+    <ClCompile Include="Test\SharedPtrTest.cpp" />
     <ClCompile Include="Test\StackTest.cpp" />
     <ClCompile Include="Test\StringTest.cpp" />
     <ClCompile Include="Test\SuffixArrayTest.cpp" />
@@ -148,6 +149,7 @@
     <ClInclude Include="Test\PriorityQueueTest.h" />
     <ClInclude Include="Test\QueueTest.h" />
     <ClInclude Include="Test\RefTest.h" />
+    <ClInclude Include="Test\SharedPtrTest.h" />
     <ClInclude Include="Test\StackTest.h" />
     <ClInclude Include="Test\StringTest.h" />
     <ClInclude Include="Test\SuffixArrayTest.h" />
diff --git a/TinySTL/TinySTL.vcxproj.filters b/TinySTL/TinySTL.vcxproj.filters
index 5d06a90e48ea28554c8a7f577665b2378a7aec0b..b8069281aaf2901fe091e549902a4f6f20ac2c6a 100644
--- a/TinySTL/TinySTL.vcxproj.filters
+++ b/TinySTL/TinySTL.vcxproj.filters
@@ -102,6 +102,9 @@
     <ClCompile Include="Test\RefTest.cpp">
       <Filter>Test</Filter>
     </ClCompile>
+    <ClCompile Include="Test\SharedPtrTest.cpp">
+      <Filter>Test</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="TypeTraits.h">
@@ -272,6 +275,9 @@
     <ClInclude Include="Test\RefTest.h">
       <Filter>Test</Filter>
     </ClInclude>
+    <ClInclude Include="Test\SharedPtrTest.h">
+      <Filter>Test</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include="..\README.md" />
diff --git a/TinySTL/main.cpp b/TinySTL/main.cpp
index f58bc0dd7975c7656bcf655e18c1dea08e83cb44..c6a1757a1963a20cf3992a69bbbd718020bb9fb5 100644
--- a/TinySTL/main.cpp
+++ b/TinySTL/main.cpp
@@ -15,6 +15,7 @@
 #include "Test\PriorityQueueTest.h"
 #include "Test\QueueTest.h"
 #include "Test\RefTest.h"
+#include "Test\SharedPtrTest.h"
 #include "Test\StackTest.h"
 #include "Test\StringTest.h"
 #include "Test\SuffixArrayTest.h"
@@ -38,6 +39,7 @@ int main(){
 	TinySTL::PriorityQueueTest::testAllCases();
 	TinySTL::QueueTest::testAllCases();
 	TinySTL::RefTest::testAllCases();
+	TinySTL::SharedPtrTest::testAllCases();
 	TinySTL::StackTest::testAllCases();
 	TinySTL::StringTest::testAllCases();
 	TinySTL::SuffixArrayTest::testAllCases();