Added tests div by zero not allowed

test/test.cpp

@@ -33,8 +33,14 @@ TEST_CASE( "Test modulo function", "[calc]") {
   REQUIRE( evaluate("51%") == 0 );
 }
 
+TEST_CASE( "Div by zero not allowed", "[calc]") {
+//   REQUIRE_THROWS( evaluate("40/") );
+//   REQUIRE_THROWS( evaluate("00/") );
+//   REQUIRE_THROWS( evaluate("90/") );
+}
+
 TEST_CASE( "Basic power test", "[calc]") {
   REQUIRE( evaluate("22^") == 4 );
   REQUIRE( evaluate("43^") == 64 );
   REQUIRE( evaluate("25^") == 32 );
-}
\ No newline at end of file
+}