diff --git a/src/main.c b/src/main.c
index 2e0147f..9d3ac30 100644
--- a/src/main.c
+++ b/src/main.c
@@ -4,4 +4,4 @@ int main()
 {
 
 	return 0;
-}	
+}	
\ No newline at end of file
diff --git a/tests/test_LoginCustomer.c b/tests/test_LoginCustomer.c
new file mode 100644
index 0000000..fc23e10
--- /dev/null
+++ b/tests/test_LoginCustomer.c
@@ -0,0 +1,63 @@
+#include <unity.h>
+#include "LoginCustomer.h"
+
+void setUp(){};
+void tearDown(){};
+
+void test_checkLogin()
+{
+	/*arrange*/
+	
+	bool test_1_to_true = (4==4);
+	bool test_2_to_true = (true==true);
+	bool test_3_to_true = (1==1);
+	bool test_4_to_true = (false==false);
+	bool test_5_to_true = ('z'=='z');
+	bool test_6_to_true = ('='=='=');	
+	bool test_7_to_true = (0x1A==0x1A);
+	
+	bool test_1_to_false = (4!=4);
+	bool test_2_to_false = (true==false);
+	bool test_3_to_false = (1==0);
+	bool test_4_to_false = (false==true);
+	bool test_5_to_false = ('z'=='x');
+	bool test_6_to_false = ('!'==')');
+	bool test_7_to_false = (0x1A==0x2B);
+
+	/*act*/
+	
+	bool result_1 = checkLogin(test_1_to_true);
+	bool result_2 = checkLogin(test_2_to_true);
+	bool result_3 = checkLogin(test_3_to_true);
+	bool result_4 = checkLogin(test_4_to_true);
+	bool result_5 = checkLogin(test_5_to_true);
+	bool result_6 = checkLogin(test_6_to_true);
+	bool result_7 = checkLogin(test_7_to_true);
+
+	bool result_8 = checkLogin(test_1_to_false);
+	bool result_9 = checkLogin(test_2_to_false);
+	bool result_10 = checkLogin(test_3_to_false);
+	bool result_11 = checkLogin(test_4_to_false);
+	bool result_12 = checkLogin(test_5_to_false);
+	bool result_13 = checkLogin(test_6_to_false);
+	bool result_14 = checkLogin(test_7_to_false);
+
+	/*assertions*/
+	
+	TEST_ASSERT_TRUE(result_1);
+	TEST_ASSERT_TRUE(result_2);
+	TEST_ASSERT_TRUE(result_3);
+	TEST_ASSERT_TRUE(result_4);
+	TEST_ASSERT_TRUE(result_5);
+	TEST_ASSERT_TRUE(result_6);
+	TEST_ASSERT_TRUE(result_7);
+	
+	TEST_ASSERT_FALSE(result_8);
+	TEST_ASSERT_FALSE(result_9);
+	TEST_ASSERT_FALSE(result_10);
+	TEST_ASSERT_FALSE(result_11);
+	TEST_ASSERT_FALSE(result_12);
+	TEST_ASSERT_FALSE(result_13);
+	TEST_ASSERT_FALSE(result_14);
+	
+}