implement unit tests for the function validPhoneNumber().

src/createEmployeeAccount.c

@@ -67,6 +67,25 @@ bool isValidName(char* name,const int minimalLength)
     return true;
 }
 
+bool isValidPhoneNumber(char *phoneNumber)
+{
+    const int validNumberLength = 14;
+    int numberLength = strlen(phoneNumber);
+
+    if(numberLength != validNumberLength)
+    {
+        return false;
+    }
+
+    if(phoneNumber[0]!='+' || phoneNumber[1]!='4' || phoneNumber[2]!='9')
+    {
+        return false;
+    }
+
+    return true;
+
+}
+
 int StringLengthCounter(char* string)
 {
     int characterCounter = 0;

src/createEmployeeAccount.h

@@ -26,6 +26,7 @@ bool createNewEmployee(char* employeeId, char* employeePassword);
 bool verifyPassword(char* enteredPassword,char* passwordConfirmation);
 bool storeEmployeeData(const char *name,const char *lastName,const char *adress,const char *phoneNumber);
 bool isValidName(char* name,int minimalLength);
+bool isValidPhoneNumber(char *phoneNumber);
 
 int StringLengthCounter(char* string);
 

src/mainMenu.c

@@ -45,42 +45,42 @@ void ageInput()
 
     while (true)
     {
-	/*the userInput string is changed to a number with the strtol function*/
+	    /*the userInput string is changed to a number with the strtol function*/
 
-	age = strtol(userInput,&userInputPointer,10);
+	    age = strtol(userInput,&userInputPointer,10);
 
         if((checkIfInteger(userInput))&& (agePermission(age)))
-	{
+	    {
 
-	    printf("Access granted!\n\n\n\n");
+	        printf("Access granted!\n\n\n\n");
 
-	    showMenu();
+	        showMenu();
 
-        menuInput();
+            menuInput();
 
-	    break;
+	        break;
 
-	}
+	    }
 
-	else if((checkIfInteger(userInput)) && !(agePermission(age))) 
-	{
+	    else if((checkIfInteger(userInput)) && !(agePermission(age))) 
+	    {
 
             printf("You should be at least 18 years old to create a bank account!\n");
 
-	    break;
+	        break;
 
-	}
+	    }
 
-	else
-	{
-	    printf("input invalid! try again!\n");
+	    else
+	    {
+	        printf("input invalid! try again!\n");
 
             scanf("%s",userInput);
 
-	}
+	    }
     
     
-}
+    }
 }
 
 void menuInput()

tests/test_createEmployeeAccount.c

@@ -226,4 +226,42 @@ void test_invalidName(void)
 
 }
 
+void test_validPhoneNumber(void)
+{
+    /*Arrange*/
+    char* validPhoneNumbers[] = {"+4903584736198","+4912345678912","+4987541024534","+4932145784236","+4987264287139"};
+    bool validPhoneNumbersResult[5];
+
+    /*Act*/
+    for(int i =0;i<5;i++)
+    {
+        validPhoneNumbersResult[i] = isValidPhoneNumber(validPhoneNumbers[i]);
+    }
+    
+    /*Assert*/
+    for(int i=0;i<5;i++)
+    {
+        TEST_ASSERT_TRUE(validPhoneNumbersResult[i]);
+    }
+}
+
+void test_invalidPhoneNumber(void)
+{
+    /*Arrange*/
+    char* invalidPhoneNumbers[] = {"+490358473619812","+6112345678912","+498754","-4932145784236","123"};
+    bool invalidPhoneNumbersResult[2];
+
+    /*Act*/
+    for(int i =0;i<5;i++)
+    {
+        invalidPhoneNumbersResult[i] = isValidPhoneNumber(invalidPhoneNumbers[i]);
+    }
+    
+    /*Assert*/
+    for(int i=0;i<5;i++)
+    {
+        TEST_ASSERT_FALSE(invalidPhoneNumbersResult[i]);
+    }
+}
+
 #endif // TEST