diff -r 5389e6fbb3bc -r 0eaf09920532 compiler/tests/PPCGuardTest.st
--- a/compiler/tests/PPCGuardTest.st	Wed Nov 05 21:40:01 2014 +0000
+++ b/compiler/tests/PPCGuardTest.st	Wed Nov 05 23:05:19 2014 +0000
@@ -87,23 +87,33 @@
 !
 
 testMessage2
-	guard := PPCGuard new initializeFor: #letter asParser / #digit asParser.
+	guard := PPCGuard new initializeFor: (#letter asParser / #digit asParser) asCompilerTree.
 	self assert: guard message = #isAlphaNumeric
 	
 !
 
+testNot
+	guard := PPCGuard new initializeFor: ('foo' asParser not, 'fee' asParser) asCompilerTree.
+	self assert: (guard classification at: $f asInteger).
+!
+
+testNot2
+	guard := PPCGuard new initializeFor: ('foo' asParser not, 'fee' asParser) asCompilerTree optimizeTree.
+	self assert: (guard classification at: $f asInteger).
+!
+
 testTestMessage
-	guard := PPCGuard new initializeFor: #letter asParser.
+	guard := PPCGuard new initializeFor: #letter asParser asCompilerTree.
 	self assert: (guard testMessage: #isLetter).
 	self assert: (guard testMessage: #isAlphaNumeric) not.
 	
-	guard := PPCGuard new initializeFor: #word asParser.
+	guard := PPCGuard new initializeFor: #word asParser asCompilerTree.
 	self assert: (guard testMessage: #isAlphaNumeric).
 	
-	guard := PPCGuard new initializeFor: #digit asParser.
+	guard := PPCGuard new initializeFor: #digit asParser asCompilerTree.
 	self assert: (guard testMessage: #isDigit).
 	
-	guard := PPCGuard new initializeFor: 'a' asParser.
+	guard := PPCGuard new initializeFor: 'a' asParser asCompilerTree.
 	self assert: (guard testMessage: #isDigit) not.
 	self assert: (guard testMessage: #isLetter) not.
 	self assert: (guard testMessage: #isAlphaNumeric) not.
@@ -111,16 +121,19 @@
 !
 
 testTestSingleCharacter
-	guard := PPCGuard new initializeFor: $a asParser.
+	guard := PPCGuard new initializeFor: $a asParser asCompilerTree.
+	self assert: guard testSingleCharacter.
+	
+	guard := PPCGuard new initializeFor: 'foo' asParser asCompilerTree.
 	self assert: guard testSingleCharacter.
 	
-	guard := PPCGuard new initializeFor: 'foo' asParser.
+	guard := PPCGuard new initializeFor: ('foo' asParser / 'bar' asParser) asCompilerTree.
+	self assert: guard testSingleCharacter not.
+
+	guard := PPCGuard new initializeFor: ($a asParser, (#letter asParser / #digit asParser)) asCompilerTree.
 	self assert: guard testSingleCharacter.
 	
-	guard := PPCGuard new initializeFor: ('foo' asParser / 'bar' asParser).
-	self assert: guard testSingleCharacter not.
-
-	guard := PPCGuard new initializeFor: ($a asParser, (#letter asParser / #digit asParser)).
+	guard := PPCGuard new initializeFor: ('foo' asParser / 'fee' asParser) asCompilerTree.
 	self assert: guard testSingleCharacter.
 ! !