[481823] Fix problem for edge fully contained in source or target

This commit:
* fixes the bug
* adds a test that confirms the fix.
* fixes another minor bug detected by test: the iteration in
SetConnectionBendpointsAccordingToExtremityMoveCommmand.removePointsInViews(PointList,
PrecisionRectangle, Point, PrecisionRectangle, Point) is not symmetrical
for source side and target side.

Bug: 481823
Change-Id: I26f3b281e6a61ea5b35d804c0381152741afebcd
Signed-off-by: Laurent Redor <laurent.redor@obeo.fr>

4 files changed, 397 insertions, 7 deletions

diff --git a/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/graphical/edit/policies/SetConnectionBendpointsAccordingToExtremityMoveCommmand.java b/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/graphical/edit/policies/SetConnectionBendpointsAccordingToExtremityMoveCommmand.java
index 220c4c47fb..307c423e7c 100644
--- a/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/graphical/edit/policies/SetConnectionBendpointsAccordingToExtremityMoveCommmand.java
+++ b/plugins/org.eclipse.sirius.diagram.ui/src-diag/org/eclipse/sirius/diagram/ui/graphical/edit/policies/SetConnectionBendpointsAccordingToExtremityMoveCommmand.java
@@ -141,7 +141,10 @@ public class SetConnectionBendpointsAccordingToExtremityMoveCommmand extends Set
                 connectionPointList.setPoint(connectionPointList.getPoint(1).translate(moveDelta.x, 0), 1);
             }
             normalizeAndStraight(connectionPointList);
-            removePointsInViews(connectionPointList, (PrecisionRectangle) sourceBounds.getTranslated(moveDelta), sourceRefPoint, targetBounds, targetRefPoint);
+            if (connectionPointList.size() > 2) {
+                // This code is not needed if the edge has only 2 points.
+                removePointsInViews(connectionPointList, (PrecisionRectangle) sourceBounds.getTranslated(moveDelta), sourceRefPoint, targetBounds, targetRefPoint);
+            }
         } else {
             // Compute intersection between the line
             // (tempSourceRefPoint<-->second point) and the source node
@@ -190,7 +193,10 @@ public class SetConnectionBendpointsAccordingToExtremityMoveCommmand extends Set
                 connectionPointList.setPoint(connectionPointList.getPoint(connectionPointList.size() - 1).translate(moveDelta.x, moveDelta.y), connectionPointList.size() - 1);
             }
             normalizeAndStraight(connectionPointList);
-            removePointsInViews(connectionPointList, sourceBounds, sourceRefPoint, (PrecisionRectangle) targetBounds.getTranslated(moveDelta), targetRefPoint);
+            if (connectionPointList.size() > 2) {
+                // This code is not needed if the edge has only 2 points.
+                removePointsInViews(connectionPointList, sourceBounds, sourceRefPoint, (PrecisionRectangle) targetBounds.getTranslated(moveDelta), targetRefPoint);
+            }
         } else {
             // Compute intersection between the line
             // (tempTargetRefPoint<-->second to last point) and the target node
@@ -303,7 +309,7 @@ public class SetConnectionBendpointsAccordingToExtremityMoveCommmand extends Set
         PointList targetPointList = PointListUtilities.createPointsFromRect(target);
         if (newLine.size() != 0) {
             int nbIncludedPoints = 0;
-            for (int i = newLine.size() - 1; i > 0 && targetPointList.polygonContainsPoint(newLine.getPoint(i).x, newLine.getPoint(i).y); i--) {
+            for (int i = newLine.size() - 1; i >= 0 && targetPointList.polygonContainsPoint(newLine.getPoint(i).x, newLine.getPoint(i).y); i--) {
                 nbIncludedPoints++;
             }
             // Do nothing if there is only one point inside and no other
diff --git a/plugins/org.eclipse.sirius.tests.swtbot/data/unit/bendpointsStability/otherSpecificCases/My.aird b/plugins/org.eclipse.sirius.tests.swtbot/data/unit/bendpointsStability/otherSpecificCases/My.aird
index 21f35773bc..b8997754ee 100644
--- a/plugins/org.eclipse.sirius.tests.swtbot/data/unit/bendpointsStability/otherSpecificCases/My.aird
+++ b/plugins/org.eclipse.sirius.tests.swtbot/data/unit/bendpointsStability/otherSpecificCases/My.aird
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
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+<viewpoint:DAnalysis xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:description="http://www.eclipse.org/sirius/description/1.1.0" xmlns:description_1="http://www.eclipse.org/sirius/diagram/description/1.1.0" xmlns:diagram="http://www.eclipse.org/sirius/diagram/1.1.0" xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" xmlns:notation="http://www.eclipse.org/gmf/runtime/1.0.2/notation" xmlns:style="http://www.eclipse.org/sirius/diagram/description/style/1.1.0" xmlns:viewpoint="http://www.eclipse.org/sirius/1.1.0" xsi:schemaLocation="http://www.eclipse.org/sirius/description/1.1.0 http://www.eclipse.org/sirius/1.1.0#//description http://www.eclipse.org/sirius/diagram/description/1.1.0 http://www.eclipse.org/sirius/diagram/1.1.0#//description http://www.eclipse.org/sirius/diagram/description/style/1.1.0 http://www.eclipse.org/sirius/diagram/1.1.0#//description/style" xmi:id="__OXRoD_3EeWEGe6pBhmYQg" selectedViews="_AEoyUD_4EeWEGe6pBhmYQg _9YB9sIxMEeWRjpf7ffS9_g" version="10.1.0.201509162000">
   <semanticResources>My.ecore</semanticResources>
   <ownedViews xmi:type="viewpoint:DRepresentationContainer" xmi:id="_AEoyUD_4EeWEGe6pBhmYQg">
     <ownedRepresentations xmi:type="diagram:DSemanticDiagram" xmi:id="_AIKAYD_4EeWEGe6pBhmYQg" name="rectilinearCase1">
@@ -85,4 +85,253 @@
     </ownedRepresentations>
     <viewpoint xmi:type="description:Viewpoint" href="platform:/plugin/org.eclipse.sirius.sample.ecore.design/description/ecore.odesign#//@ownedViewpoints[name='Design']"/>
   </ownedViews>
+  <ownedViews xmi:type="viewpoint:DRepresentationContainer" xmi:id="_9YB9sIxMEeWRjpf7ffS9_g">
+    <ownedRepresentations xmi:type="diagram:DSemanticDiagram" xmi:id="_-s1NcIxMEeWRjpf7ffS9_g" name="newDiag">
+      <ownedAnnotationEntries xmi:type="description:AnnotationEntry" xmi:id="_-s1NcYxMEeWRjpf7ffS9_g" source="DANNOTATION_CUSTOMIZATION_KEY">
+        <data xmi:type="diagram:ComputedStyleDescriptionRegistry" xmi:id="_-s1NcoxMEeWRjpf7ffS9_g"/>
+      </ownedAnnotationEntries>
+      <ownedAnnotationEntries xmi:type="description:AnnotationEntry" xmi:id="_-s77IIxMEeWRjpf7ffS9_g" source="GMF_DIAGRAMS">
+        <data xmi:type="notation:Diagram" xmi:id="_-s77IYxMEeWRjpf7ffS9_g" type="Sirius" element="_-s1NcIxMEeWRjpf7ffS9_g" measurementUnit="Pixel">
+          <children xmi:type="notation:Node" xmi:id="_-s--cIxMEeWRjpf7ffS9_g" type="2002" element="_-s1Nc4xMEeWRjpf7ffS9_g">
+            <children xmi:type="notation:Node" xmi:id="_-tHhUIxMEeWRjpf7ffS9_g" type="5006"/>
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+                  <layoutConstraint xmi:type="notation:Location" xmi:id="_-tJ9kYxMEeWRjpf7ffS9_g" y="5"/>
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+                  <layoutConstraint xmi:type="notation:Bounds" xmi:id="_-tLyw4xMEeWRjpf7ffS9_g"/>
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+        <semanticElements xmi:type="ecore:EPackage" href="My.ecore#/"/>
+        <arrangeConstraints>KEEP_LOCATION</arrangeConstraints>
+        <arrangeConstraints>KEEP_SIZE</arrangeConstraints>
+        <arrangeConstraints>KEEP_RATIO</arrangeConstraints>
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+        <actualMapping xmi:type="description_1:ContainerMapping" href="My.odesign#//@ownedViewpoints[name='EdgeFromNoteToEContainer']/@ownedRepresentations[name='Diag']/@defaultLayer/@containerMappings[name='Packages']"/>
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+          <semanticElements xmi:type="ecore:EClass" href="My.ecore#//C2"/>
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+          <arrangeConstraints>KEEP_SIZE</arrangeConstraints>
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+          </ownedStyle>
+          <actualMapping xmi:type="description_1:NodeMapping" href="My.odesign#//@ownedViewpoints[name='EdgeFromNoteToEContainer']/@ownedRepresentations[name='Diag']/@defaultLayer/@containerMappings[name='Packages']/@subNodeMappings[name='Classes']"/>
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+                <children xmi:type="notation:Node" xmi:id="_1T99oIxtEeWrvMLYFgv1uw" type="3003" element="_1TqbpoxtEeWrvMLYFgv1uw">
+                  <styles xmi:type="notation:ShapeStyle" xmi:id="_1T99oYxtEeWrvMLYFgv1uw" fontName="Ubuntu"/>
+                  <layoutConstraint xmi:type="notation:Bounds" xmi:id="_1T99ooxtEeWrvMLYFgv1uw"/>
+                </children>
+                <styles xmi:type="notation:ShapeStyle" xmi:id="_1T5sMYxtEeWrvMLYFgv1uw" fontName="Ubuntu" fontHeight="8"/>
+                <layoutConstraint xmi:type="notation:Bounds" xmi:id="_LNLsoYxuEeWrvMLYFgv1uw" x="25" y="39" width="76" height="30"/>
+              </children>
+              <children xmi:type="notation:Node" xmi:id="_1T8IcIxtEeWrvMLYFgv1uw" type="3007" element="_1Tqbp4xtEeWrvMLYFgv1uw">
+                <children xmi:type="notation:Node" xmi:id="_1T9WkIxtEeWrvMLYFgv1uw" type="5003">
+                  <layoutConstraint xmi:type="notation:Location" xmi:id="_LNMTsIxuEeWrvMLYFgv1uw" y="5"/>
+                </children>
+                <children xmi:type="notation:Node" xmi:id="_1T-ksIxtEeWrvMLYFgv1uw" type="3003" element="_1TqbqIxtEeWrvMLYFgv1uw">
+                  <styles xmi:type="notation:ShapeStyle" xmi:id="_1T-ksYxtEeWrvMLYFgv1uw" fontName="Ubuntu"/>
+                  <layoutConstraint xmi:type="notation:Bounds" xmi:id="_1T-ksoxtEeWrvMLYFgv1uw"/>
+                </children>
+                <styles xmi:type="notation:ShapeStyle" xmi:id="_1T8IcYxtEeWrvMLYFgv1uw" fontName="Ubuntu" fontHeight="8"/>
+                <layoutConstraint xmi:type="notation:Bounds" xmi:id="_LNLso4xuEeWrvMLYFgv1uw" x="135" y="39" width="76" height="30"/>
+              </children>
+              <styles xmi:type="notation:SortingStyle" xmi:id="_1T5FIIxtEeWrvMLYFgv1uw"/>
+              <styles xmi:type="notation:FilteringStyle" xmi:id="_1T5FIYxtEeWrvMLYFgv1uw"/>
+            </children>
+            <styles xmi:type="notation:ShapeStyle" xmi:id="_1TxwYYxtEeWrvMLYFgv1uw" fontName="Ubuntu" fontHeight="8"/>
+            <layoutConstraint xmi:type="notation:Bounds" xmi:id="_LNLsoIxuEeWrvMLYFgv1uw" x="55" y="50" width="268" height="119"/>
+          </children>
+          <styles xmi:type="notation:DiagramStyle" xmi:id="_1TutEoxtEeWrvMLYFgv1uw"/>
+          <edges xmi:type="notation:Edge" xmi:id="_EHbK4IxuEeWrvMLYFgv1uw" type="4001" element="_EHXggIxuEeWrvMLYFgv1uw" source="_1TxwYIxtEeWrvMLYFgv1uw" target="_1T5sMIxtEeWrvMLYFgv1uw">
+            <children xmi:type="notation:Node" xmi:id="_EHbx8IxuEeWrvMLYFgv1uw" type="6001">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_EHbx8YxuEeWrvMLYFgv1uw" x="10"/>
+            </children>
+            <children xmi:type="notation:Node" xmi:id="_EHcZAIxuEeWrvMLYFgv1uw" type="6002">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_EHcZAYxuEeWrvMLYFgv1uw" x="11" y="10"/>
+            </children>
+            <children xmi:type="notation:Node" xmi:id="_EHdAEIxuEeWrvMLYFgv1uw" type="6003">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_EHdAEYxuEeWrvMLYFgv1uw" x="-10"/>
+            </children>
+            <styles xmi:type="notation:ConnectorStyle" xmi:id="_EHbK4YxuEeWrvMLYFgv1uw" routing="Rectilinear"/>
+            <styles xmi:type="notation:FontStyle" xmi:id="_EHbK4oxuEeWrvMLYFgv1uw" fontName="Ubuntu" fontHeight="8"/>
+            <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_EHbK44xuEeWrvMLYFgv1uw" points="[-65, 59, 0, 57]$[-65, 17, 0, 15]"/>
+            <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_EHdnIIxuEeWrvMLYFgv1uw" id="(0.5,0.4957983193277311)"/>
+            <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_EHdnIYxuEeWrvMLYFgv1uw" id="(0.5,0.5)"/>
+          </edges>
+          <edges xmi:type="notation:Edge" xmi:id="_EHeOMIxuEeWrvMLYFgv1uw" type="4001" element="_EHYHkIxuEeWrvMLYFgv1uw" source="_1TxwYIxtEeWrvMLYFgv1uw" target="_1T8IcIxtEeWrvMLYFgv1uw">
+            <children xmi:type="notation:Node" xmi:id="_EHeONIxuEeWrvMLYFgv1uw" type="6001">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_EHeONYxuEeWrvMLYFgv1uw" x="5" y="-10"/>
+            </children>
+            <children xmi:type="notation:Node" xmi:id="_EHeONoxuEeWrvMLYFgv1uw" type="6002">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_EHeON4xuEeWrvMLYFgv1uw" x="2" y="10"/>
+            </children>
+            <children xmi:type="notation:Node" xmi:id="_EHeOOIxuEeWrvMLYFgv1uw" type="6003">
+              <layoutConstraint xmi:type="notation:Bounds" xmi:id="_EHeOOYxuEeWrvMLYFgv1uw" x="-1" y="8"/>
+            </children>
+            <styles xmi:type="notation:ConnectorStyle" xmi:id="_EHeOMYxuEeWrvMLYFgv1uw" routing="Rectilinear"/>
+            <styles xmi:type="notation:FontStyle" xmi:id="_EHeOMoxuEeWrvMLYFgv1uw" fontName="Ubuntu" fontHeight="8"/>
+            <bendpoints xmi:type="notation:RelativeBendpoints" xmi:id="_EHeOM4xuEeWrvMLYFgv1uw" points="[47, 59, 19, 45]$[47, 17, 19, 3]"/>
+            <sourceAnchor xmi:type="notation:IdentityAnchor" xmi:id="_EHeOOoxuEeWrvMLYFgv1uw" id="(0.5,0.4957983193277311)"/>
+            <targetAnchor xmi:type="notation:IdentityAnchor" xmi:id="_EHeOO4xuEeWrvMLYFgv1uw" id="(0.27631578947368424,0.9)"/>
+          </edges>
+        </data>
+      </ownedAnnotationEntries>
+      <ownedDiagramElements xmi:type="diagram:DNodeContainer" xmi:id="_1Tqbo4xtEeWrvMLYFgv1uw" name="root" outgoingEdges="_EHXggIxuEeWrvMLYFgv1uw _EHYHkIxuEeWrvMLYFgv1uw">
+        <target xmi:type="ecore:EPackage" href="My.ecore#/"/>
+        <semanticElements xmi:type="ecore:EPackage" href="My.ecore#/"/>
+        <ownedStyle xmi:type="diagram:FlatContainerStyle" xmi:id="_1TqbpIxtEeWrvMLYFgv1uw" borderSize="1" borderSizeComputationExpression="1">
+          <description xmi:type="style:FlatContainerStyleDescription" href="My.odesign#//@ownedViewpoints[name='EdgeFromNoteToEContainer']/@ownedRepresentations[name='Diag2']/@defaultLayer/@containerMappings[name='Packages2']/@style"/>
+        </ownedStyle>
+        <actualMapping xmi:type="description_1:ContainerMapping" href="My.odesign#//@ownedViewpoints[name='EdgeFromNoteToEContainer']/@ownedRepresentations[name='Diag2']/@defaultLayer/@containerMappings[name='Packages2']"/>
+        <ownedDiagramElements xmi:type="diagram:DNode" xmi:id="_1TqbpYxtEeWrvMLYFgv1uw" name="C1" incomingEdges="_EHXggIxuEeWrvMLYFgv1uw" width="3" height="3" resizeKind="NSEW">
+          <target xmi:type="ecore:EClass" href="My.ecore#//C1"/>
+          <semanticElements xmi:type="ecore:EClass" href="My.ecore#//C1"/>
+          <arrangeConstraints>KEEP_LOCATION</arrangeConstraints>
+          <arrangeConstraints>KEEP_SIZE</arrangeConstraints>
+          <arrangeConstraints>KEEP_RATIO</arrangeConstraints>
+          <ownedStyle xmi:type="diagram:Square" xmi:id="_1TqbpoxtEeWrvMLYFgv1uw" labelPosition="node">
+            <description xmi:type="style:SquareDescription" href="My.odesign#//@ownedViewpoints[name='EdgeFromNoteToEContainer']/@ownedRepresentations[name='Diag2']/@defaultLayer/@containerMappings[name='Packages2']/@subNodeMappings[name='Classes2']/@style"/>
+          </ownedStyle>
+          <actualMapping xmi:type="description_1:NodeMapping" href="My.odesign#//@ownedViewpoints[name='EdgeFromNoteToEContainer']/@ownedRepresentations[name='Diag2']/@defaultLayer/@containerMappings[name='Packages2']/@subNodeMappings[name='Classes2']"/>
+        </ownedDiagramElements>
+        <ownedDiagramElements xmi:type="diagram:DNode" xmi:id="_1Tqbp4xtEeWrvMLYFgv1uw" name="C2" incomingEdges="_EHYHkIxuEeWrvMLYFgv1uw" width="3" height="3" resizeKind="NSEW">
+          <target xmi:type="ecore:EClass" href="My.ecore#//C2"/>
+          <semanticElements xmi:type="ecore:EClass" href="My.ecore#//C2"/>
+          <ownedStyle xmi:type="diagram:Square" xmi:id="_1TqbqIxtEeWrvMLYFgv1uw" labelPosition="node">
+            <description xmi:type="style:SquareDescription" href="My.odesign#//@ownedViewpoints[name='EdgeFromNoteToEContainer']/@ownedRepresentations[name='Diag2']/@defaultLayer/@containerMappings[name='Packages2']/@subNodeMappings[name='Classes2']/@style"/>
+          </ownedStyle>
+          <actualMapping xmi:type="description_1:NodeMapping" href="My.odesign#//@ownedViewpoints[name='EdgeFromNoteToEContainer']/@ownedRepresentations[name='Diag2']/@defaultLayer/@containerMappings[name='Packages2']/@subNodeMappings[name='Classes2']"/>
+        </ownedDiagramElements>
+      </ownedDiagramElements>
+      <ownedDiagramElements xmi:type="diagram:DEdge" xmi:id="_EHXggIxuEeWrvMLYFgv1uw" sourceNode="_1Tqbo4xtEeWrvMLYFgv1uw" targetNode="_1TqbpYxtEeWrvMLYFgv1uw">
+        <target xmi:type="ecore:EPackage" href="My.ecore#/"/>
+        <ownedStyle xmi:type="diagram:EdgeStyle" xmi:id="_EHXggYxuEeWrvMLYFgv1uw" size="2" routingStyle="manhattan">
+          <description xmi:type="style:EdgeStyleDescription" href="My.odesign#//@ownedViewpoints[name='EdgeFromNoteToEContainer']/@ownedRepresentations[name='Diag2']/@defaultLayer/@edgeMappings[name='EContainer2']/@style"/>
+          <centerLabelStyle xmi:type="diagram:CenterLabelStyle" xmi:id="_EHXggoxuEeWrvMLYFgv1uw"/>
+        </ownedStyle>
+        <actualMapping xmi:type="description_1:EdgeMapping" href="My.odesign#//@ownedViewpoints[name='EdgeFromNoteToEContainer']/@ownedRepresentations[name='Diag2']/@defaultLayer/@edgeMappings[name='EContainer2']"/>
+      </ownedDiagramElements>
+      <ownedDiagramElements xmi:type="diagram:DEdge" xmi:id="_EHYHkIxuEeWrvMLYFgv1uw" sourceNode="_1Tqbo4xtEeWrvMLYFgv1uw" targetNode="_1Tqbp4xtEeWrvMLYFgv1uw">
+        <target xmi:type="ecore:EPackage" href="My.ecore#/"/>
+        <ownedStyle xmi:type="diagram:EdgeStyle" xmi:id="_EHYHkYxuEeWrvMLYFgv1uw" size="2" routingStyle="manhattan">
+          <description xmi:type="style:EdgeStyleDescription" href="My.odesign#//@ownedViewpoints[name='EdgeFromNoteToEContainer']/@ownedRepresentations[name='Diag2']/@defaultLayer/@edgeMappings[name='EContainer2']/@style"/>
+          <centerLabelStyle xmi:type="diagram:CenterLabelStyle" xmi:id="_EHYHkoxuEeWrvMLYFgv1uw"/>
+        </ownedStyle>
+        <actualMapping xmi:type="description_1:EdgeMapping" href="My.odesign#//@ownedViewpoints[name='EdgeFromNoteToEContainer']/@ownedRepresentations[name='Diag2']/@defaultLayer/@edgeMappings[name='EContainer2']"/>
+      </ownedDiagramElements>
+      <description xmi:type="description_1:DiagramDescription" href="My.odesign#//@ownedViewpoints[name='EdgeFromNoteToEContainer']/@ownedRepresentations[name='Diag2']"/>
+      <filterVariableHistory xmi:type="diagram:FilterVariableHistory" xmi:id="_1TqbqYxtEeWrvMLYFgv1uw"/>
+      <activatedLayers xmi:type="description_1:Layer" href="My.odesign#//@ownedViewpoints[name='EdgeFromNoteToEContainer']/@ownedRepresentations[name='Diag2']/@defaultLayer"/>
+      <target xmi:type="ecore:EPackage" href="My.ecore#/"/>
+    </ownedRepresentations>
+    <viewpoint xmi:type="description:Viewpoint" href="My.odesign#//@ownedViewpoints[name='EdgeFromNoteToEContainer']"/>
+  </ownedViews>
 </viewpoint:DAnalysis>
diff --git a/plugins/org.eclipse.sirius.tests.swtbot/data/unit/bendpointsStability/otherSpecificCases/My.odesign b/plugins/org.eclipse.sirius.tests.swtbot/data/unit/bendpointsStability/otherSpecificCases/My.odesign
new file mode 100644
index 0000000000..4e9bfb87f4
--- /dev/null
+++ b/plugins/org.eclipse.sirius.tests.swtbot/data/unit/bendpointsStability/otherSpecificCases/My.odesign
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<description:Group xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:description="http://www.eclipse.org/sirius/description/1.1.0" xmlns:description_1="http://www.eclipse.org/sirius/diagram/description/1.1.0" xmlns:style="http://www.eclipse.org/sirius/diagram/description/style/1.1.0" name="My" version="11.0.0.201511131800">
+  <ownedViewpoints name="EdgeFromNoteToEContainer" modelFileExtension="ecore">
+    <ownedRepresentations xsi:type="description_1:DiagramDescription" name="Diag" domainClass="ecore.EPackage" enablePopupBars="true">
+      <defaultLayer name="Default">
+        <edgeMappings name="EContainer" sourceMapping="//@ownedViewpoints[name='EdgeFromNoteToEContainer']/@ownedRepresentations[name='Diag']/@defaultLayer/@containerMappings[name='Packages']/@subNodeMappings[name='Classes']" targetMapping="//@ownedViewpoints[name='EdgeFromNoteToEContainer']/@ownedRepresentations[name='Diag']/@defaultLayer/@containerMappings[name='Packages']" targetFinderExpression="feature:eContainer">
+          <style sizeComputationExpression="2" routingStyle="manhattan">
+            <strokeColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='gray']"/>
+            <centerLabelStyleDescription>
+              <labelColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='black']"/>
+            </centerLabelStyleDescription>
+          </style>
+        </edgeMappings>
+        <containerMappings name="Packages" semanticCandidatesExpression="var:self" domainClass="ecore.EPackage">
+          <subNodeMappings name="Classes" semanticCandidatesExpression="feature:eClassifiers" domainClass="ecore.EClass">
+            <style xsi:type="style:SquareDescription" labelPosition="node" resizeKind="NSEW">
+              <borderColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='black']"/>
+              <labelColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='black']"/>
+              <color xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='gray']"/>
+            </style>
+          </subNodeMappings>
+          <style xsi:type="style:FlatContainerStyleDescription" borderSizeComputationExpression="1">
+            <borderColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='black']"/>
+            <labelColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='black']"/>
+            <backgroundColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='white']"/>
+            <foregroundColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='light_gray']"/>
+          </style>
+        </containerMappings>
+      </defaultLayer>
+    </ownedRepresentations>
+    <ownedRepresentations xsi:type="description_1:DiagramDescription" name="Diag2" domainClass="ecore.EPackage" enablePopupBars="true">
+      <defaultLayer name="Default">
+        <edgeMappings name="EContainer2" sourceMapping="//@ownedViewpoints[name='EdgeFromNoteToEContainer']/@ownedRepresentations[name='Diag2']/@defaultLayer/@containerMappings[name='Packages2']" targetMapping="//@ownedViewpoints[name='EdgeFromNoteToEContainer']/@ownedRepresentations[name='Diag2']/@defaultLayer/@containerMappings[name='Packages2']/@subNodeMappings[name='Classes2']" targetFinderExpression="feature:eClassifiers">
+          <style sizeComputationExpression="2" routingStyle="manhattan">
+            <strokeColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='gray']"/>
+            <centerLabelStyleDescription>
+              <labelColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='black']"/>
+            </centerLabelStyleDescription>
+          </style>
+        </edgeMappings>
+        <containerMappings name="Packages2" semanticCandidatesExpression="var:self" domainClass="ecore.EPackage">
+          <subNodeMappings name="Classes2" semanticCandidatesExpression="feature:eClassifiers" domainClass="ecore.EClass">
+            <style xsi:type="style:SquareDescription" labelPosition="node" resizeKind="NSEW">
+              <borderColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='black']"/>
+              <labelColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='black']"/>
+              <color xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='gray']"/>
+            </style>
+          </subNodeMappings>
+          <style xsi:type="style:FlatContainerStyleDescription" borderSizeComputationExpression="1">
+            <borderColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='black']"/>
+            <labelColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='black']"/>
+            <backgroundColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='white']"/>
+            <foregroundColor xsi:type="description:SystemColor" href="environment:/viewpoint#//@systemColors/@entries[name='light_gray']"/>
+          </style>
+        </containerMappings>
+      </defaultLayer>
+    </ownedRepresentations>
+  </ownedViewpoints>
+</description:Group>
diff --git a/plugins/org.eclipse.sirius.tests.swtbot/src/org/eclipse/sirius/tests/swtbot/BendpointsStabilityOnMovesSpecificCasesTest.java b/plugins/org.eclipse.sirius.tests.swtbot/src/org/eclipse/sirius/tests/swtbot/BendpointsStabilityOnMovesSpecificCasesTest.java
index a9e3a7f8cb..049ab75851 100644
--- a/plugins/org.eclipse.sirius.tests.swtbot/src/org/eclipse/sirius/tests/swtbot/BendpointsStabilityOnMovesSpecificCasesTest.java
+++ b/plugins/org.eclipse.sirius.tests.swtbot/src/org/eclipse/sirius/tests/swtbot/BendpointsStabilityOnMovesSpecificCasesTest.java
@@ -55,6 +55,8 @@ public class BendpointsStabilityOnMovesSpecificCasesTest extends AbstractSiriusS
 
     private static final String SESSION_FILE = "My.aird";
 
+    private static final String VSM_FILE = "My.odesign";
+
     private static final String DIAGRAM_DESCRIPTION_NAME = "Entities";
 
     boolean isOutlineViewOpened;
@@ -148,7 +150,7 @@ public class BendpointsStabilityOnMovesSpecificCasesTest extends AbstractSiriusS
 
     @Override
     protected void onSetUpBeforeClosingWelcomePage() throws Exception {
-        copyFileToTestProject(Activator.PLUGIN_ID, DATA_UNIT_DIR, MODEL, SESSION_FILE);
+        copyFileToTestProject(Activator.PLUGIN_ID, DATA_UNIT_DIR, MODEL, SESSION_FILE, VSM_FILE);
     }
 
     @Override
@@ -272,6 +274,34 @@ public class BendpointsStabilityOnMovesSpecificCasesTest extends AbstractSiriusS
     }
 
     /**
+     * Test that first point is moved has expected and that draw2d and GMF last
+     * points are consistency.
+     */
+    public void testMoveOKWithEdgeFromNodeToItsContainer() {
+        editor.close();
+        SWTBotUtils.waitAllUiEvents();
+        // Open the other testing diagram editor
+        editor = (SWTBotSiriusDiagramEditor) openRepresentation(localSession.getOpenedSession(), "Diag", "newDiag", DSemanticDiagram.class, true, true);
+        final Point moveDelta = new Point(20, 20);
+        AssertPointLocationFunction assertPointLocationFunction = new AssertPointLocationFunction(moveDelta);
+        testFirstPointConsistency(moveDelta, 0, assertPointLocationFunction, true);
+    }
+
+    /**
+     * Test that first point is moved has expected and that draw2d and GMF last
+     * points are consistency.
+     */
+    public void testMoveOKWithEdgeFromContainerToItsNodes() {
+        editor.close();
+        SWTBotUtils.waitAllUiEvents();
+        // Open the other testing diagram editor
+        editor = (SWTBotSiriusDiagramEditor) openRepresentation(localSession.getOpenedSession(), "Diag2", "newDiag2", DSemanticDiagram.class, true, true);
+        final Point moveDelta = new Point(20, 20);
+        AssertPointLocationFunction assertPointLocationFunction = new AssertPointLocationFunction(moveDelta);
+        testLastPointConsistency(moveDelta, 0, assertPointLocationFunction, true);
+    }
+
+    /**
      * Test that last point is moved has expected and that draw2d and GMF last
      * points are consistency.
      */
@@ -355,6 +385,25 @@ public class BendpointsStabilityOnMovesSpecificCasesTest extends AbstractSiriusS
      *            after move
      */
     private void testLastPointConsistency(Point moveDelta, int nbGMFPointsDelta, AssertPointLocationFunction assertPointLocationFunction) {
+        testLastPointConsistency(moveDelta, nbGMFPointsDelta, assertPointLocationFunction, false);
+    }
+
+    /**
+     * Test that last point is moved has expected and that draw2d and GMF last
+     * points are consistency.
+     * 
+     * @param moveDelta
+     *            The delta from which the source node will be moved
+     * @param nbGMFPointsDelta
+     *            Number of GMF points that are added (or removed) after the
+     *            move.
+     * @param assertPointLocationFunction
+     *            the function to use to check the expected last point location
+     *            after move
+     * @param edgeWithOnly2Points
+     *            true if the edge has only two points, false otherwise
+     */
+    private void testLastPointConsistency(Point moveDelta, int nbGMFPointsDelta, AssertPointLocationFunction assertPointLocationFunction, boolean edgeWithOnly2Points) {
         String nodeToMoveName = "C2";
         editor.reveal(nodeToMoveName);
         // Step 2: store the previous bendpoints
@@ -371,7 +420,11 @@ public class BendpointsStabilityOnMovesSpecificCasesTest extends AbstractSiriusS
         bot.waitUntil(editPartMovedCondition);
         assertEquals("Drag as failed: selection should be the same before and after drag.", editPartToMove, editor.selectedEditParts().get(0));
         // Step 4: Check bendpoints
-        assertPointLocationFunction.setData(previousPoints.getLastPoint(), previousPoints.getPoint(previousPoints.size() - 3), nodeBounds);
+        if (edgeWithOnly2Points) {
+            assertPointLocationFunction.setData(previousPoints.getLastPoint(), previousPoints.getFirstPoint(), nodeBounds);
+        } else {
+            assertPointLocationFunction.setData(previousPoints.getLastPoint(), previousPoints.getPoint(previousPoints.size() - 3), nodeBounds);
+        }
         compareActualBendpointsWithExpected(editor, connectionEditPart, previousPoints, moveDelta, nodeBounds, false, nbGMFPointsDelta, assertPointLocationFunction);
     }
 
@@ -389,6 +442,25 @@ public class BendpointsStabilityOnMovesSpecificCasesTest extends AbstractSiriusS
      *            after move
      */
     private void testFirstPointConsistency(Point moveDelta, int nbGMFPointsDelta, AssertPointLocationFunction assertPointLocationFunction) {
+        testFirstPointConsistency(moveDelta, nbGMFPointsDelta, assertPointLocationFunction, false);
+    }
+
+    /**
+     * Test that first point is moved has expected and that draw2d and GMF last
+     * points are consistency.
+     * 
+     * @param moveDelta
+     *            The delta from which the source node will be moved
+     * @param nbGMFPointsDelta
+     *            Number of GMF points that are added (or removed) after the
+     *            move.
+     * @param assertPointLocationFunction
+     *            the function to use to check the expected last point location
+     *            after move
+     * @param edgeWithOnly2Points
+     *            true if the edge has only two points, false otherwise
+     */
+    private void testFirstPointConsistency(Point moveDelta, int nbGMFPointsDelta, AssertPointLocationFunction assertPointLocationFunction, boolean edgeWithOnly2Points) {
         String nodeToMoveName = "C1";
         editor.reveal(nodeToMoveName);
         // Step 2: store the previous bendpoints
@@ -405,7 +477,11 @@ public class BendpointsStabilityOnMovesSpecificCasesTest extends AbstractSiriusS
         bot.waitUntil(editPartMovedCondition);
         assertEquals("Drag as failed: selection should be the same before and after drag.", editPartToMove, editor.selectedEditParts().get(0));
         // Step 4: Check bendpoints
-        assertPointLocationFunction.setData(previousPoints.getFirstPoint(), previousPoints.getPoint(2), nodeBounds);
+        if (edgeWithOnly2Points) {
+            assertPointLocationFunction.setData(previousPoints.getFirstPoint(), previousPoints.getLastPoint(), nodeBounds);
+        } else {
+            assertPointLocationFunction.setData(previousPoints.getFirstPoint(), previousPoints.getPoint(2), nodeBounds);
+        }
         compareActualBendpointsWithExpected(editor, connectionEditPart, previousPoints, moveDelta, nodeBounds, true, nbGMFPointsDelta, assertPointLocationFunction);
     }