test primitive template types of grammar

alib2data/test-src/grammar/GrammarTest.cpp

@@ -105,6 +105,12 @@ void GrammarTest::testUnrestrictedParser() {
 }
 void GrammarTest::testRegularParser() {
+	{
+		grammar::RightRG < signed char, int > grammar ( 1 );
+
+		grammar.addTerminalSymbol ( 2 );
+		CPPUNIT_ASSERT_THROW ( grammar.addNonterminalSymbol ( 2 ), exception::CommonException );
+	}
 	{
 		grammar::RightRG < std::string, int > grammar ( 1 );