diff --git a/tests/src/tcp.cpp b/tests/src/tcp.cpp
index dd9c7b9..fc29453 100644
--- a/tests/src/tcp.cpp
+++ b/tests/src/tcp.cpp
@@ -12,7 +12,8 @@ using namespace Tins;
 
 class TCPTest : public testing::Test {
 public:
-    static const uint8_t expected_packet[], checksum_packet[];
+    static const uint8_t expected_packet[], checksum_packet[],
+                            partial_packet[];
     
     void test_equals(const TCP &tcp1, const TCP &tcp2);
 };
@@ -30,6 +31,10 @@ const uint8_t TCPTest::checksum_packet[] = {
     0, 0
 };
 
+const uint8_t TCPTest::partial_packet[] = {
+    142, 210, 0, 80, 60, 158, 102, 111, 10, 2, 46, 161, 80, 24, 0, 229, 247, 192, 0, 0
+};
+
 
 TEST_F(TCPTest, DefaultConstructor) {
     TCP tcp;
@@ -197,7 +202,6 @@ void TCPTest::test_equals(const TCP &tcp1, const TCP &tcp2) {
     EXPECT_EQ((bool)tcp1.inner_pdu(), (bool)tcp2.inner_pdu());
 }
 
-// This is not working, but i don't want to fix it right now.
 TEST_F(TCPTest, ConstructorFromBuffer) {
     TCP tcp1(expected_packet, sizeof(expected_packet));
     
@@ -229,6 +233,11 @@ TEST_F(TCPTest, ConstructorFromBuffer) {
     test_equals(tcp1, tcp2);
 }
 
+TEST_F(TCPTest, ConstructorFromPartialBuffer) {
+    TCP tcp(partial_packet, sizeof(partial_packet));
+    EXPECT_FALSE(tcp.inner_pdu());
+}
+
 TEST_F(TCPTest, Serialize) {
     TCP tcp1(expected_packet, sizeof(expected_packet));
     PDU::serialization_type buffer = tcp1.serialize();