Index: tests/protocols/CMakeLists.txt
===================================================================
--- tests/protocols/CMakeLists.txt
+++ tests/protocols/CMakeLists.txt
@@ -1 +1,2 @@
 add_subdirectory(oscar)
+add_subdirectory(qq)
Index: tests/protocols/qq/CMakeLists.txt
===================================================================
--- /dev/null
+++ tests/protocols/qq/CMakeLists.txt
@@ -0,0 +1,21 @@
+find_package(Qt5 REQUIRED COMPONENTS Test)
+include_directories(
+    ${CMAKE_SOURCE_DIR}/protocols/qq
+    ${CMAKE_SOURCE_DIR}/protocols/qq/icons
+    ${CMAKE_SOURCE_DIR}/protocols/qq/ui
+    ${KOPETE_SOURCE_DIR}
+)
+
+set(
+    QQ_TEST_LIBRARIES
+    KF5::KDELibs4Support
+    Qt5::Test
+    ${CMAKE_SOURCE_DIR}/protocols/qq/crypt.cpp
+)
+
+# Test for crypt(TEA)
+set(qqcrypttest_SRCS qqcrypttest.cpp)
+ecm_add_test(
+    ${qqcrypttest_SRCS}
+    LINK_LIBRARIES ${QQ_TEST_LIBRARIES}
+)
Index: tests/protocols/qq/qqcrypttest.cpp
===================================================================
--- /dev/null
+++ tests/protocols/qq/qqcrypttest.cpp
@@ -0,0 +1,84 @@
+
+#include "crypt.h"
+
+#include <QtTest>
+#include <QObject>
+
+namespace Crypt
+{
+    struct data
+    {
+        unsigned int d[2];
+    };
+    struct key
+    {
+        unsigned int k[4];
+    };
+}
+
+Q_DECLARE_METATYPE(Crypt::data);
+Q_DECLARE_METATYPE(Crypt::key);
+
+class QQCryptTest : public QObject
+{
+    Q_OBJECT
+
+private slots:
+    void CryptTest();
+    void CryptTest_data();
+    Crypt::data Crypt_data(char x, char y);
+    const Crypt::key Crypt_key(char w, char x, char y, char z);
+};
+
+Crypt::data QQCryptTest::Crypt_data(char x, char y)
+{
+    Crypt::data a;
+    a.d[0]=(unsigned int)x;
+    a.d[1]=(unsigned int)y;
+    return a;
+}
+
+const Crypt::key QQCryptTest::Crypt_key(char w, char x, char y, char z)
+{
+    Crypt::key key;
+    key.k[0]=(unsigned int)w;
+    key.k[0]=(unsigned int)x;
+    key.k[0]=(unsigned int)y;
+    key.k[0]=(unsigned int)z;
+    return key;
+}
+
+void QQCryptTest::CryptTest_data()
+{
+    QTest::addColumn<Crypt::data>("input");/* This character which is going to encrypt */
+    QTest::addColumn<Crypt::data>("encrypted");/* encrypted data && input of the TEA:: decipher function */
+    QTest::addColumn<Crypt::data>("decrypted");/* decrypted data && output of the TEA::decipher function */
+    QTest::addColumn<Crypt::key>("key_value");/* key which is going to used in encryption */
+
+    QTest::newRow("1") << QQCryptTest::Crypt_data('a','b') << QQCryptTest::Crypt_data('\0','\0') << QQCryptTest::Crypt_data('\0','\0') << QQCryptTest::Crypt_key('a','b','c','d') ;
+    QTest::newRow("2") << QQCryptTest::Crypt_data('l','m') << QQCryptTest::Crypt_data('\0','\0') << QQCryptTest::Crypt_data('\0','\0') << QQCryptTest::Crypt_key('a','b','c','d') ;
+    QTest::newRow("3") << QQCryptTest::Crypt_data('x','y') << QQCryptTest::Crypt_data('\0','\0') << QQCryptTest::Crypt_data('\0','\0') << QQCryptTest::Crypt_key('a','b','c','d') ;
+    QTest::newRow("4") << QQCryptTest::Crypt_data('\0','\0') << QQCryptTest::Crypt_data('\0','\0') << QQCryptTest::Crypt_data('\0','\0') << QQCryptTest::Crypt_key('a','b','c','d') ;
+}
+
+void QQCryptTest::CryptTest()
+{
+    QFETCH(Crypt::data,input);
+    QFETCH(Crypt::data,encrypted);
+    QFETCH(Crypt::data,decrypted);
+    QFETCH(Crypt::key,key_value);
+
+    /* void TEA::encipher(unsigned int *const v, const unsigned int *const k, unsigned int *const w); */
+    TEA::encipher(input.d, key_value.k, encrypted.d);
+
+    /* void TEA::decipher(unsigned int *const v, const unsigned int *const k, unsigned int *const w); */
+    TEA::decipher(encrypted.d, key_value.k, decrypted.d);
+
+    QVERIFY(input.d[0] != encrypted.d[0]);
+    QVERIFY(input.d[1] != encrypted.d[1]);
+    QCOMPARE(input.d[0],decrypted.d[0]);
+    QCOMPARE(input.d[1],decrypted.d[1]);
+}
+
+QTEST_MAIN(QQCryptTest)
+#include "qqcrypttest.moc"