diff -r e2529c410388 -r d9855050be6c tests/PPMappingTest.st
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/PPMappingTest.st	Mon Jul 02 07:38:01 2018 +0200
@@ -0,0 +1,92 @@
+"{ Package: 'stx:goodies/petitparser/tests' }"
+
+"{ NameSpace: Smalltalk }"
+
+PPAbstractParserTest subclass:#PPMappingTest
+	instanceVariableNames:''
+	classVariableNames:''
+	poolDictionaries:''
+	category:'PetitTests-Tests'
+!
+
+
+!PPMappingTest methodsFor:'testing'!
+
+testFoldLeft2
+	| parser |
+	parser := #any asParser star
+		foldLeft: [ :a :b | Array with: a with: b ].
+
+	self assert: parser parse: #(a) to: #a.
+	self assert: parser parse: #(a b) to: #(a b).
+	self assert: parser parse: #(a b c) to: #((a b) c).
+	self assert: parser parse: #(a b c d) to: #(((a b) c) d).
+	self assert: parser parse: #(a b c d e) to: #((((a b) c) d) e)
+!
+
+testFoldLeft3
+	| parser |
+	parser := #any asParser star
+		foldLeft: [ :a :b :c | Array with: a with: b with: c ].
+
+	self assert: parser parse: #(a) to: #a.
+	self assert: parser parse: #(a b c) to: #(a b c).
+	self assert: parser parse: #(a b c d e) to: #((a b c) d e)
+!
+
+testFoldRight2
+	| parser |
+	parser := #any asParser star
+		foldRight: [ :a :b | Array with: a with: b ].
+
+	self assert: parser parse: #(a) to: #a.
+	self assert: parser parse: #(a b) to: #(a b).
+	self assert: parser parse: #(a b c) to: #(a (b c)).
+	self assert: parser parse: #(a b c d) to: #(a (b (c d))).
+	self assert: parser parse: #(a b c d e) to: #(a (b (c (d e))))
+!
+
+testFoldRight3
+	| parser |
+	parser := #any asParser star
+		foldRight: [ :a :b :c | Array with: a with: b with: c ].
+
+	self assert: parser parse: #(a) to: #a.
+	self assert: parser parse: #(a b c) to: #(a b c).
+	self assert: parser parse: #(a b c d e) to: #(a b (c d e))
+!
+
+testMap1
+	| parser |
+	parser := #any asParser
+		map: [ :a | Array with: a ].
+
+	self assert: parser parse: #(a) to: #(a)
+!
+
+testMap2
+	| parser |
+	parser := (#any asParser , #any asParser)
+		map: [ :a :b | Array with: b with: a ].
+
+	self assert: parser parse: #(a b) to: #(b a)
+!
+
+testMap3
+	| parser |
+	parser := (#any asParser , #any asParser , #any asParser)
+		map: [ :a :b :c | Array with: c with: b with: a ].
+
+	self assert: parser parse: #(a b c) to: #(c b a)
+! !
+
+!PPMappingTest class methodsFor:'documentation'!
+
+version
+    ^ '$Header$'
+!
+
+version_CVS
+    ^ '$Header$'
+! !
+