From 3395ece085488ef5e6368bc068cf7ed4ed08026a Mon Sep 17 00:00:00 2001
From: Eike Stepper
Date: Mon, 23 Apr 2018 13:14:57 +0200
Subject: [438682] eUnset Unsettable Features causes Rollback in DBStore

https://bugs.eclipse.org/bugs/show_bug.cgi?id=438682---
 .../cdo/tests/bugzilla/Bugzilla_438682_Test.java   | 84 ++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 plugins/org.eclipse.emf.cdo.tests/src/org/eclipse/emf/cdo/tests/bugzilla/Bugzilla_438682_Test.java

(limited to 'plugins')

diff --git a/plugins/org.eclipse.emf.cdo.tests/src/org/eclipse/emf/cdo/tests/bugzilla/Bugzilla_438682_Test.java b/plugins/org.eclipse.emf.cdo.tests/src/org/eclipse/emf/cdo/tests/bugzilla/Bugzilla_438682_Test.java
new file mode 100644
index 0000000000..b51885df58
--- /dev/null
+++ b/plugins/org.eclipse.emf.cdo.tests/src/org/eclipse/emf/cdo/tests/bugzilla/Bugzilla_438682_Test.java
@@ -0,0 +1,84 @@
+/*
+ * Copyright (c) 2013 Eike Stepper (Berlin, Germany) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Alex Lagarde - initial API and implementation
+ */
+package org.eclipse.emf.cdo.tests.bugzilla;
+
+import org.eclipse.emf.cdo.eresource.CDOResource;
+import org.eclipse.emf.cdo.session.CDOSession;
+import org.eclipse.emf.cdo.tests.AbstractCDOTest;
+import org.eclipse.emf.cdo.tests.model4.MultiNonContainedElement;
+import org.eclipse.emf.cdo.tests.model4.MultiNonContainedUnsettableElement;
+import org.eclipse.emf.cdo.tests.model4.RefMultiNonContained;
+import org.eclipse.emf.cdo.tests.model4.RefMultiNonContainedUnsettable;
+import org.eclipse.emf.cdo.transaction.CDOTransaction;
+import org.eclipse.emf.cdo.util.CommitException;
+import org.eclipse.emf.cdo.util.ConcurrentAccessException;
+
+import org.eclipse.emf.ecore.resource.Resource.Factory.Registry;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
+import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl;
+
+/**
+ * Tests ensuring that unsetting features works correctly.
+ *
+ * @author Alex Lagarde <alex.lagarde@obeo.fr>
+ */
+public class Bugzilla_438682_Test extends AbstractCDOTest
+{
+  private CDOTransaction transaction;
+
+  private RefMultiNonContainedUnsettable rootUnsettable;
+
+  private RefMultiNonContained rootNonUnsettable;
+
+  @Override
+  protected void doSetUp() throws Exception
+  {
+    super.doSetUp();
+
+    // Initialize semantic model and commit
+    ResourceSet resourceSet = new ResourceSetImpl();
+    Registry registry = resourceSet.getResourceFactoryRegistry();
+    registry.getExtensionToFactoryMap().put("model1", new XMIResourceFactoryImpl());
+
+    MultiNonContainedUnsettableElement child1 = getModel4Factory().createMultiNonContainedUnsettableElement();
+    rootUnsettable = getModel4Factory().createRefMultiNonContainedUnsettable();
+    rootUnsettable.getElements().add(child1);
+
+    MultiNonContainedElement child2 = getModel4Factory().createMultiNonContainedElement();
+    rootNonUnsettable = getModel4Factory().createRefMultiNonContained();
+    rootNonUnsettable.getElements().add(child2);
+    CDOSession session = openSession();
+    transaction = session.openTransaction(resourceSet);
+    final CDOResource resource = transaction.createResource(getResourcePath("r1"));
+    resource.getContents().add(child1);
+    resource.getContents().add(child2);
+    resource.getContents().add(rootUnsettable);
+    resource.getContents().add(rootNonUnsettable);
+    transaction.commit();
+  }
+
+  public void testUnsetUnsettableFeatureAndCommit() throws ConcurrentAccessException, CommitException
+  {
+    // Unsets an unsettable feature: commit should succeed
+    rootUnsettable.eUnset(getModel4Package().getRefMultiNonContainedUnsettable_Elements());
+    transaction.commit();
+  }
+
+  public void testUnsetNonUnsettableFeatureAndCommit() throws ConcurrentAccessException, CommitException
+  {
+    // Unsets an non-unsettable feature: what is expected here ? Depending on the used StoreAccessor, a
+    // CDOFeatureDeltaVisitor will be used and the CDOUnsetFeatureDelta will be tested if unsettable and returning an
+    // exception if not unsettable.
+    rootNonUnsettable.eUnset(getModel4Package().getRefMultiNonContained_Elements());
+    transaction.commit();
+  }
+}
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