2 files changed, 18 insertions, 10 deletions
diff --git a/tests/dimension/directives.pov b/tests/dimension/directives.pov
index 95ad88a..1bb712d 100644
--- a/tests/dimension/directives.pov
+++ b/tests/dimension/directives.pov
@@ -26,9 +26,13 @@
 #declare Unused = -1;
 #undef Unused
 
-sphere {
-  Center, R
-  pigment {
-    color Color green 1
+#if (#if (1 = 1) 0 #end = 0 & 0)
+  Illegal
+#else
+  sphere {
+    Center, R
+    pigment {
+      color Color green 1
+    }
   }
-}
+#end
diff --git a/tests/dimension/directives.sh b/tests/dimension/directives.sh
index b2c9e9e..955ea15 100755
--- a/tests/dimension/directives.sh
+++ b/tests/dimension/directives.sh
@@ -26,12 +26,16 @@ directives_exp="$(echo -n \
   #local (identifier "Color") = rgb < (integer "1") , (integer "0") , (integer "1") > ;
   #declare (identifier "Unused") = - (integer "1") ;
   #undef (identifier "Unused")
-  sphere {
-    (identifier "Center") , (identifier "R")
-    pigment {
-      color (identifier "Color") green (integer "1")
+  #if \( #if \( (integer "1") = (integer "1") \) (integer "0") #end = (integer "0") & (integer "0") \)
+    (identifier "Illegal")
+  #else
+    sphere {
+      (identifier "Center") , (identifier "R")
+      pigment {
+        color (identifier "Color") green (integer "1")
+      }
     }
-  })' \
+  #end)' \
 | tr '\n' ' ' | sed -r 's/[[:space:]]+/ /g')
 $(echo -n \
 '((sphere