--- a
+++ b/test/expr-unary.test.log
@@ -0,0 +1,9 @@
+FUNCTION test:DINT;
+b: POINTER TO DINT;
+  a := -1;
+ a := +2;
+ a := ~4;
+ a := b^;
+ a := -a;
+ a := +a;
+ a := ~a;