diff --git a/test/testsimplifytokens.cpp b/test/testsimplifytokens.cpp
index f7def66c6..29161a4dd 100644
--- a/test/testsimplifytokens.cpp
+++ b/test/testsimplifytokens.cpp
@@ -3452,6 +3452,11 @@ private:
         }
 
         ASSERT_EQUALS("a [ 4 ] ;", tok("a[1+3|4];"));
+        ASSERT_EQUALS("a [ 4U ] ;", tok("a[1+3|4U];"));
+        ASSERT_EQUALS("a [ 3 ] ;", tok("a[1+2&3];"));
+        ASSERT_EQUALS("a [ 3U ] ;", tok("a[1+2&3U];"));
+        ASSERT_EQUALS("a [ 5 ] ;", tok("a[1-0^4];"));
+        ASSERT_EQUALS("a [ 5U ] ;", tok("a[1-0^4U];"));
 
         ASSERT_EQUALS("x = 1 + 2 * y ;", tok("x=1+2*y;"));
         ASSERT_EQUALS("x = 7 ;", tok("x=1+2*3;"));