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diff --git a/tests/org.eclipse.qvtd.atl.tests/models/tree2list/Tree2List_usingATLResolveAlgorithm.atl b/tests/org.eclipse.qvtd.atl.tests/models/tree2list/Tree2List_usingATLResolveAlgorithm.atl
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+-- @name Tree structure to List structure (using ATL Resolve Algorithm)
+-- @version 1.0
+-- @domains
+-- @authors Cyril Faure, Freddy Allilaire
+-- @date 01/07/2007
+-- @description "toy example" of model transformation usually made with a DFS (Depth First Search) imperative algorithms
+-- @see http://en.wikipedia.org/wiki/Depth-first_search
+-- @path MMTree=/Tree2List/metamodels/MMTree.ecore
+-- @path MMElementList=/Tree2List/metamodels/MMElementList.ecore
+
+module Tree2List;
+create elmList : MMElementList from aTree : MMTree;
+
+uses Lib4MMTree;
+
+-- we want to process the tree via DFS and create an ordered list containing :
+-- all big leafs, then all medium leafs, then all small leafs. We add the
+-- constraint we want all three "sublists" to be ordered on the DFS traversal order
+-- Note : the nodes (other than the tree root) are not kept in the destination model
+
+-- Rule to transform "Tree Node Root" in "Element List Root"
+rule TreeNodeRoot2RootElement {
+ from -- should be unique
+ rt : MMTree!Node (rt.isTreeNodeRoot())
+ to
+ lstRt : MMElementList!RootElement (
+ name <- rt.name,
+ elements <- rt.getLeavesInOrder() -- reference copy,
+ -- Correspondance "Leaf to CommonElement" will be made thanks to a traceability link.
+ -- Traceability links record correspondences between source and target elements established during transformation execution.
+ )
+}
+
+-- Rule to transform Leaf to CommonElement
+rule Leaf2CommonElement {
+ from
+ s : MMTree!Leaf
+ to
+ t : MMElementList!CommonElement(
+ name <- s.name
+ )
+} \ No newline at end of file

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