Implement Div find test

src/inputHandling.c

@@ -37,7 +37,7 @@ op detectFunctionOperator(char* formulaString, int length){
         switch (formulaString[stringCount]){
             case '+': return opAdd;
             case '-': return opSub;
-            case '/': return opDiv;
+            case '/':case ':': return opDiv;
             case '*': return opMult;
             case '^': return opExp;
             case '\0': return opEmpty;

test/test_inputHandling.c

@@ -61,4 +61,14 @@ void test_inputHandling_findMultiFunctionType(void)
     TEST_ASSERT_TRUE(opMult == type);
 }
 
+void test_inputHandling_findDivFunctionType(void)
+{
+    op type = opNotSupported;
+    type = detectFunctionOperator("4/5", 3);
+    TEST_ASSERT_TRUE(opDiv == type);
+    type = opNotSupported;
+    type = detectFunctionOperator("4:5", 3);
+    TEST_ASSERT_TRUE(opDiv == type);
+}
+
 #endif // TEST