parser: token '()' returns error

t_parser_test.go

@@ -147,3 +147,15 @@ func TestGeneralParser(t *testing.T) {
 	// runTestSuiteSpec(t, section, inputs, 114)
 	runTestSuite(t, section, inputs)
 }
+
+func TestSpecialParser(t *testing.T) {
+	section := "Parser"
+
+	inputs := []inputType{
+		/*   1 */ {`()`, nil, `[1:2] expected expression, got "()"`},
+	}
+
+	// t.Setenv("EXPR_PATH", ".")
+	// runTestSuiteSpec(t, section, inputs, 114)
+	runTestSuite(t, section, inputs)
+}