org.eclipse.rmf.reqif10.pror.tests/src/org/eclipse/rmf/reqif10/provider/SpecElementWithAttributesTest.java - rmf/org.eclipse.rmf - Git at Google

 /*******************************************************************************
  * Copyright (c) 2011, 2013 Formal Mind GmbH and University of Dusseldorf.
  * 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:
  *     Michael Jastram - initial API and implementation
  ******************************************************************************/

 package org.eclipse.rmf.reqif10.provider;

 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertSame;

 import java.net.URISyntaxException;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;

 import org.eclipse.emf.common.notify.Notification;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
 import org.eclipse.emf.edit.provider.ItemProviderAdapter;
 import org.eclipse.rmf.reqif10.AttributeDefinition;
 import org.eclipse.rmf.reqif10.AttributeDefinitionString;
 import org.eclipse.rmf.reqif10.AttributeValue;
 import org.eclipse.rmf.reqif10.AttributeValueString;
 import org.eclipse.rmf.reqif10.Identifiable;
 import org.eclipse.rmf.reqif10.ReqIF;
 import org.eclipse.rmf.reqif10.ReqIF10Factory;
 import org.eclipse.rmf.reqif10.ReqIF10Package;
 import org.eclipse.rmf.reqif10.ReqIFContent;
 import org.eclipse.rmf.reqif10.SpecElementWithAttributes;
 import org.eclipse.rmf.reqif10.SpecType;
 import org.eclipse.rmf.reqif10.common.util.ReqIF10Util;
 import org.eclipse.rmf.reqif10.pror.provider.TransientReqIFItemProvider;
 import org.eclipse.rmf.reqif10.pror.util.ProrUtil;
 import org.junit.Test;

 /**
  * A test case for the model object '
  * <em><b>Spec Element With User Defined Attributes</b></em>'.
  */
 public abstract class SpecElementWithAttributesTest extends IdentifiableTest {

 	/**
 	 * The Properties of an empty SpecElement.
 	 */
 	protected final static String[] STANDARD_PROPERTIES = { "Desc",
 			"Identifier", "Last Change", "Long Name", "Type" };

 	/**
 	 * We often need a RIF for tests that has the SpecElement properly added.
 	 * This method is expected to return such a RIF.
 	 *
 	 * @return a RIF with a reference to the fixture.
 	 */
 	protected abstract void addFixtureToReqIf(ReqIF reqif);

 	/**
 	 * Returns the fixture for this Spec Element With User Defined Attributes
 	 * test case.
 	 */
 	@Override
 	protected SpecElementWithAttributes getFixture() {
 		return (SpecElementWithAttributes) fixture;
 	}

 	/**
 	 * Ensure that the SpecElement is notified if an AttributeValue is added.
 	 */
 	@Test
 	public void testSpecElementNotificationValueAdded() {
 		ItemProviderAdapter itemProvider = getItemProvider(getFixture());
 		itemProvider.addListener(listener);
 		AttributeValue av = ReqIF10Factory.eINSTANCE
 				.createAttributeValueString();
 		getFixture().getValues().add(av);
 		assertEquals(1, notifications.size());
 		assertSame(getFixture(), notifications.get(0).getNotifier());
 		assertEquals(
 				ReqIF10Package.Literals.SPEC_ELEMENT_WITH_ATTRIBUTES__VALUES,
 				notifications.get(0).getFeature());
 	}

 	/**
 	 * Ensure that the SpecElement is notified if the AttributeValue changes.
 	 */
 	@Test
 	public void testSpecElementNotificationValueChanged() {
 		ItemProviderAdapter itemProvider = getItemProvider(getFixture());
 		itemProvider.addListener(listener);
 		AttributeValue av = ReqIF10Factory.eINSTANCE
 				.createAttributeValueString();
 		getFixture().getValues().add(av);
 		notifications.clear();

 		ProrUtil.setTheValue(getFixture().getValues().get(0), "newDescription",
 				editingDomain);
 		assertEquals(2, notifications.size());
 		assertSame(getFixture(), notifications.get(0).getNotifier());
 		assertEquals(
 				ReqIF10Package.Literals.SPEC_ELEMENT_WITH_ATTRIBUTES__VALUES,
 				notifications.get(0).getFeature());
 		assertEquals(Notification.SET, notifications.get(0).getEventType());
 	}

 	/**
 	 * Upon setting of a type, the SpecElement's values will not reflect the
 	 * type's values. Also, a notification regarding the appearance must be
 	 * generated.
 	 * <p>
 	 *
 	 * @throws URISyntaxException
 	 */
 	@Test
 	public void testSpecElementTypeValuesSynced() throws URISyntaxException {
 		ReqIF reqif = getTestReqif("simple.reqif");
 		addFixtureToReqIf(reqif);
 		assertEquals(0, getFixture().getValues().size());

 		getItemProvider(getFixture()).addListener(listener);

 		AttributeDefinition ad = ReqIF10Factory.eINSTANCE
 				.createAttributeDefinitionString();
 		setSpecTypeWithAttributeOnFixture(reqif, ad);
 		SpecType type = ReqIF10Util.getSpecType(ad);

 		assertSame(type, ReqIF10Util.getSpecType(getFixture()));
 		assertEquals(0, getFixture().getValues().size());

 		// 1.: SET Reference to Type
 		assertEquals(1, notifications.size());
 		assertEquals(getFixture(), notifications.get(0).getNotifier());
 	}

 	/**
 	 * When an aspect of the AttributeDefinition changes, the SpecElement must
 	 * be informed.
 	 *
 	 * @throws URISyntaxException
 	 */
 	@Test
 	public void testSpecElementAttributeDefinitionChanged()
 			throws URISyntaxException {
 		ReqIF reqif = ReqIF10Factory.eINSTANCE.createReqIF();
 		ReqIFContent content = ReqIF10Factory.eINSTANCE.createReqIFContent();
 		reqif.setCoreContent(content);
 		addFixtureToReqIf(reqif);
 		AttributeDefinition ad = ReqIF10Factory.eINSTANCE
 				.createAttributeDefinitionString();
 		setSpecTypeWithAttributeOnFixture(reqif, ad);
 		getItemProvider(getFixture()).addListener(listener);

 		assertEquals(0, notifications.size());
 		setViaCommand(ad, ReqIF10Package.Literals.IDENTIFIABLE__LONG_NAME,
 				"New Name");
 		assertEquals("New Name", ad.getLongName());
 		assertEquals(1, notifications.size());
 		assertEquals(getFixture(), notifications.get(0).getNotifier());
 	}

 	@Test
 	public void testSpecTypeChangeNotifications() {
 		ReqIF reqif = ReqIF10Factory.eINSTANCE.createReqIF();
 		ReqIFContent content = ReqIF10Factory.eINSTANCE.createReqIFContent();
 		reqif.setCoreContent(content);
 		this.addFixtureToReqIf(reqif);
 		AttributeDefinition ad = ReqIF10Factory.eINSTANCE
 				.createAttributeDefinitionString();
 		setSpecTypeWithAttributeOnFixture(reqif, ad);
 		SpecType type = ReqIF10Util.getSpecType(ad);
 		// At this point, we have a specElement with a type.
 		ItemProviderAdapter ip = this.getItemProvider(getFixture());
 		ip.addListener(listener);
 		AttributeDefinition ad2 = ReqIF10Factory.eINSTANCE
 				.createAttributeDefinitionString();
 		this.setViaCommand(type,
 				ReqIF10Package.Literals.SPEC_TYPE__SPEC_ATTRIBUTES, ad2);
 		// First Notification: Type changed
 		assertEquals(1, this.notifications.size());
 	}

 	@Test
 	public void testSpecElementTypeChangedWithoutAttributes() {
 		ReqIF reqif = ReqIF10Factory.eINSTANCE.createReqIF();
 		ReqIFContent content = ReqIF10Factory.eINSTANCE.createReqIFContent();
 		reqif.setCoreContent(content);
 		this.addFixtureToReqIf(reqif);

 		ItemProviderAdapter ip = this.getItemProvider(getFixture());
 		ip.addListener(listener);

 		SpecType specTypeExpected = setSpecTypeWithoutAttributeOnFixture(reqif);
 		SpecType specTypeActual = ReqIF10Util.getSpecType(getFixture());
 		assertSame(specTypeExpected, specTypeActual);
 		assertEquals(1, notifications.size());
 	}

 	/**
 	 * When there are no attributes set, we will get only the standard ones and
 	 * those inherited from {@link Identifiable}. We check the names of the
 	 * labels.
 	 * <p>
 	 */
 	@Test
 	public void testDefaultPropertyLabels() {
 		List<IItemPropertyDescriptor> props = ProrUtil.getItemProvider(
 				adapterFactory, getFixture()).getPropertyDescriptors(
 				getFixture());

 		// Set of actuals
 		Set<String> actual = new HashSet<String>();
 		for (IItemPropertyDescriptor prop : props) {
 			actual.add(prop.getDisplayName(getFixture()));
 		}

 		// Set of expected
 		assertEquals(getStandardPropertyNames(), actual);
 	}

 	/**
 	 * We test the properties for the fixture with a type that provides one
 	 * attribute. EMF requires the label for the properties to be non-null, so
 	 * we ensure that this is the case.
 	 */
 	@Test
 	public void testPropertiesOfSpecElementWithAttributeNullLabel()
 			throws URISyntaxException {
 		ReqIF reqif = getTestReqif("simple.reqif");
 		addFixtureToReqIf(reqif);

 		AttributeDefinitionString ad = ReqIF10Factory.eINSTANCE
 				.createAttributeDefinitionString();
 		setSpecTypeWithAttributeOnFixture(reqif, ad);

 		ItemProviderAdapter itemProvider = ProrUtil.getItemProvider(
 				adapterFactory, getFixture());
 		List<IItemPropertyDescriptor> props = itemProvider
 				.getPropertyDescriptors(getFixture());

 		// Set of actuals
 		Set<String> actual = new HashSet<String>();
 		for (IItemPropertyDescriptor prop : props) {
 			actual.add(prop.getDisplayName(getFixture()));
 		}

 		// Set of expected
 		Set<String> expected = getStandardPropertyNames();
 		expected.add("UNNAMED (" + ad.getIdentifier() + ")");
 		assertEquals(expected, actual);
 	}

 	/**
 	 * We test the properties for the fixture with a type that provides one
 	 * attribute.
 	 */
 	@Test
 	public void testPropertiesOfSpecElementWithAttribute()
 			throws URISyntaxException {
 		ReqIF reqif = getTestReqif("simple.reqif");
 		addFixtureToReqIf(reqif);

 		AttributeDefinitionString ad = ReqIF10Factory.eINSTANCE
 				.createAttributeDefinitionString();
 		ad.setLongName("Description");
 		setSpecTypeWithAttributeOnFixture(reqif, ad);

 		ItemProviderAdapter itemProvider = ProrUtil.getItemProvider(
 				adapterFactory, getFixture());
 		List<IItemPropertyDescriptor> props = itemProvider
 				.getPropertyDescriptors(getFixture());

 		// Set of actuals
 		Set<String> actual = new HashSet<String>();
 		for (IItemPropertyDescriptor prop : props) {
 			actual.add(prop.getDisplayName(getFixture()));
 		}

 		// Set of expected
 		Set<String> expected = getStandardPropertyNames();
 		expected.add("Description");
 		assertEquals(expected, actual);
 	}

 	@Test
 	public void testResetTypeDeletesValues() throws URISyntaxException {
 		ReqIF reqif = getTestReqif("simple.reqif");
 		addFixtureToReqIf(reqif);
 		AttributeDefinitionString ad = ReqIF10Factory.eINSTANCE
 				.createAttributeDefinitionString();
 		ad.setLongName("Description");
 		setSpecTypeWithAttributeOnFixture(reqif, ad);
 		AttributeValue av = ReqIF10Util.createAttributeValue(ad);
 		getFixture().getValues().add(av);
 		assertEquals(1, getFixture().getValues().size());
 		setFixtureType(getFixture(), null);
 		assertNull(ReqIF10Util.getSpecType(getFixture()));
 		assertEquals(0, getFixture().getValues().size());
 	}

 	@Test
 	public void testCreateCommands() throws URISyntaxException {
 		ReqIF reqif = getTestReqif("bare.reqif");
 		// Required for generating the Virtual Element lazily.
 		getItemProvider(reqif.getCoreContent()).getChildren(reqif.getCoreContent());

 		addFixtureToReqIf(reqif);
 		// We do it this way to get the correct Virtual ItemProvider
 		TransientReqIFItemProvider ip = (TransientReqIFItemProvider) getItemProvider(
 				getFixture()).getParent(getFixture());
 		Collection<?> childDescriptors = ip.getNewChildDescriptors(
 				getFixture(), editingDomain, null);
 		assertEquals(1, childDescriptors.size());

 		// Now we add a type
 		AttributeDefinition ad = ReqIF10Factory.eINSTANCE.createAttributeDefinitionString();
 		setSpecTypeWithAttributeOnFixture(reqif, ad);
 		childDescriptors = ip.getNewChildDescriptors(
 				getFixture(), editingDomain, null);
 		assertEquals(2, childDescriptors.size());
 	}

 	/**
 	 * @return an array of property names for the given SpecElement type.
 	 */
 	protected abstract Set<String> getStandardPropertyNames();

 	protected void setSpecTypeWithAttributeOnFixture(ReqIF reqif,
 			AttributeDefinition ad) {
 		SpecType type = getSpecTypeInstance();
 		setViaCommand(type, ReqIF10Package.Literals.SPEC_TYPE__SPEC_ATTRIBUTES, ad);
 		setViaCommand(reqif.getCoreContent(), ReqIF10Package.Literals.REQ_IF_CONTENT__SPEC_TYPES, type);
 		setFixtureType(getFixture(), type);
 	}

 	protected SpecType setSpecTypeWithoutAttributeOnFixture(ReqIF reqif) {
 		SpecType type = getSpecTypeInstance();
 		setViaCommand(reqif.getCoreContent(),
 				ReqIF10Package.Literals.REQ_IF_CONTENT__SPEC_TYPES, type);
 		setFixtureType(getFixture(), type);
 		return type;
 	}

 	/**
 	 * SpecType and AttributeValues can be out of sync (which is bad). If they
 	 * are, what matters? Answer: The type. This is what we test here.
 	 *
 	 * @throws URISyntaxException
 	 */
 	@Test
 	public void testThatSpecTypeMattersForPropertyValues()
 			throws URISyntaxException {
 		ReqIF reqif = getTestReqif("simple.reqif");
 		setSpecTypeWithoutAttributeOnFixture(reqif);
 		ItemProviderAdapter provider = getItemProvider(getFixture());

 		int oldCount = provider.getPropertyDescriptors(getFixture()).size();

 		// Add a Value that should not be reported via Properties
 		AttributeValueString value = ReqIF10Factory.eINSTANCE
 				.createAttributeValueString();
 		value.setDefinition((AttributeDefinitionString) reqif.getCoreContent()
 				.getSpecTypes().get(0).getSpecAttributes().get(0));
 		 getFixture().getValues().add(value);
 		List<IItemPropertyDescriptor> descriptors = provider
 				.getPropertyDescriptors(getFixture());
 		// There are 5 standard
 		assertEquals(oldCount, descriptors.size());
 	}

 	/**
 	 * Sets the given Type on the given specElement.
 	 */
 	protected abstract void setFixtureType(
 			SpecElementWithAttributes specElement, SpecType specType);

 	/**
 	 *
 	 * Subclasses must override this. They have to return their corresponding
 	 * {@link SpecType}.
 	 *
 	 * @return the {@link SpecType} of the inherited class.
 	 */
 	protected abstract SpecType getSpecTypeInstance();

 	@Override
 	protected EObject getParent() {
 		return ReqIF10Factory.eINSTANCE.createReqIFContent();
 	}

 } // SpecElementWithAttributesTest
	/*******************************************************************************
	* Copyright (c) 2011, 2013 Formal Mind GmbH and University of Dusseldorf.
	* 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:
	* Michael Jastram - initial API and implementation
	******************************************************************************/

	package org.eclipse.rmf.reqif10.provider;

	import static org.junit.Assert.assertEquals;
	import static org.junit.Assert.assertNull;
	import static org.junit.Assert.assertSame;

	import java.net.URISyntaxException;
	import java.util.Collection;
	import java.util.HashSet;
	import java.util.List;
	import java.util.Set;

	import org.eclipse.emf.common.notify.Notification;
	import org.eclipse.emf.ecore.EObject;
	import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
	import org.eclipse.emf.edit.provider.ItemProviderAdapter;
	import org.eclipse.rmf.reqif10.AttributeDefinition;
	import org.eclipse.rmf.reqif10.AttributeDefinitionString;
	import org.eclipse.rmf.reqif10.AttributeValue;
	import org.eclipse.rmf.reqif10.AttributeValueString;
	import org.eclipse.rmf.reqif10.Identifiable;
	import org.eclipse.rmf.reqif10.ReqIF;
	import org.eclipse.rmf.reqif10.ReqIF10Factory;
	import org.eclipse.rmf.reqif10.ReqIF10Package;
	import org.eclipse.rmf.reqif10.ReqIFContent;
	import org.eclipse.rmf.reqif10.SpecElementWithAttributes;
	import org.eclipse.rmf.reqif10.SpecType;
	import org.eclipse.rmf.reqif10.common.util.ReqIF10Util;
	import org.eclipse.rmf.reqif10.pror.provider.TransientReqIFItemProvider;
	import org.eclipse.rmf.reqif10.pror.util.ProrUtil;
	import org.junit.Test;

	/**
	* A test case for the model object '
	* <em><b>Spec Element With User Defined Attributes</b></em>'.
	*/
	public abstract class SpecElementWithAttributesTest extends IdentifiableTest {

	/**
	* The Properties of an empty SpecElement.
	*/
	protected final static String[] STANDARD_PROPERTIES = { "Desc",
	"Identifier", "Last Change", "Long Name", "Type" };

	/**
	* We often need a RIF for tests that has the SpecElement properly added.
	* This method is expected to return such a RIF.
	*
	* @return a RIF with a reference to the fixture.
	*/
	protected abstract void addFixtureToReqIf(ReqIF reqif);

	/**
	* Returns the fixture for this Spec Element With User Defined Attributes
	* test case.
	*/
	@Override
	protected SpecElementWithAttributes getFixture() {
	return (SpecElementWithAttributes) fixture;
	}

	/**
	* Ensure that the SpecElement is notified if an AttributeValue is added.
	*/
	@Test
	public void testSpecElementNotificationValueAdded() {
	ItemProviderAdapter itemProvider = getItemProvider(getFixture());
	itemProvider.addListener(listener);
	AttributeValue av = ReqIF10Factory.eINSTANCE
	.createAttributeValueString();
	getFixture().getValues().add(av);
	assertEquals(1, notifications.size());
	assertSame(getFixture(), notifications.get(0).getNotifier());
	assertEquals(
	ReqIF10Package.Literals.SPEC_ELEMENT_WITH_ATTRIBUTES__VALUES,
	notifications.get(0).getFeature());
	}

	/**
	* Ensure that the SpecElement is notified if the AttributeValue changes.
	*/
	@Test
	public void testSpecElementNotificationValueChanged() {
	ItemProviderAdapter itemProvider = getItemProvider(getFixture());
	itemProvider.addListener(listener);
	AttributeValue av = ReqIF10Factory.eINSTANCE
	.createAttributeValueString();
	getFixture().getValues().add(av);
	notifications.clear();

	ProrUtil.setTheValue(getFixture().getValues().get(0), "newDescription",
	editingDomain);
	assertEquals(2, notifications.size());
	assertSame(getFixture(), notifications.get(0).getNotifier());
	assertEquals(
	ReqIF10Package.Literals.SPEC_ELEMENT_WITH_ATTRIBUTES__VALUES,
	notifications.get(0).getFeature());
	assertEquals(Notification.SET, notifications.get(0).getEventType());
	}

	/**
	* Upon setting of a type, the SpecElement's values will not reflect the
	* type's values. Also, a notification regarding the appearance must be
	* generated.
	* <p>
	*
	* @throws URISyntaxException
	*/
	@Test
	public void testSpecElementTypeValuesSynced() throws URISyntaxException {
	ReqIF reqif = getTestReqif("simple.reqif");
	addFixtureToReqIf(reqif);
	assertEquals(0, getFixture().getValues().size());

	getItemProvider(getFixture()).addListener(listener);

	AttributeDefinition ad = ReqIF10Factory.eINSTANCE
	.createAttributeDefinitionString();
	setSpecTypeWithAttributeOnFixture(reqif, ad);
	SpecType type = ReqIF10Util.getSpecType(ad);

	assertSame(type, ReqIF10Util.getSpecType(getFixture()));
	assertEquals(0, getFixture().getValues().size());

	// 1.: SET Reference to Type
	assertEquals(1, notifications.size());
	assertEquals(getFixture(), notifications.get(0).getNotifier());
	}

	/**
	* When an aspect of the AttributeDefinition changes, the SpecElement must
	* be informed.
	*
	* @throws URISyntaxException
	*/
	@Test
	public void testSpecElementAttributeDefinitionChanged()
	throws URISyntaxException {
	ReqIF reqif = ReqIF10Factory.eINSTANCE.createReqIF();
	ReqIFContent content = ReqIF10Factory.eINSTANCE.createReqIFContent();
	reqif.setCoreContent(content);
	addFixtureToReqIf(reqif);
	AttributeDefinition ad = ReqIF10Factory.eINSTANCE
	.createAttributeDefinitionString();
	setSpecTypeWithAttributeOnFixture(reqif, ad);
	getItemProvider(getFixture()).addListener(listener);

	assertEquals(0, notifications.size());
	setViaCommand(ad, ReqIF10Package.Literals.IDENTIFIABLE__LONG_NAME,
	"New Name");
	assertEquals("New Name", ad.getLongName());
	assertEquals(1, notifications.size());
	assertEquals(getFixture(), notifications.get(0).getNotifier());
	}

	@Test
	public void testSpecTypeChangeNotifications() {
	ReqIF reqif = ReqIF10Factory.eINSTANCE.createReqIF();
	ReqIFContent content = ReqIF10Factory.eINSTANCE.createReqIFContent();
	reqif.setCoreContent(content);
	this.addFixtureToReqIf(reqif);
	AttributeDefinition ad = ReqIF10Factory.eINSTANCE
	.createAttributeDefinitionString();
	setSpecTypeWithAttributeOnFixture(reqif, ad);
	SpecType type = ReqIF10Util.getSpecType(ad);
	// At this point, we have a specElement with a type.
	ItemProviderAdapter ip = this.getItemProvider(getFixture());
	ip.addListener(listener);
	AttributeDefinition ad2 = ReqIF10Factory.eINSTANCE
	.createAttributeDefinitionString();
	this.setViaCommand(type,
	ReqIF10Package.Literals.SPEC_TYPE__SPEC_ATTRIBUTES, ad2);
	// First Notification: Type changed
	assertEquals(1, this.notifications.size());
	}

	@Test
	public void testSpecElementTypeChangedWithoutAttributes() {
	ReqIF reqif = ReqIF10Factory.eINSTANCE.createReqIF();
	ReqIFContent content = ReqIF10Factory.eINSTANCE.createReqIFContent();
	reqif.setCoreContent(content);
	this.addFixtureToReqIf(reqif);

	ItemProviderAdapter ip = this.getItemProvider(getFixture());
	ip.addListener(listener);

	SpecType specTypeExpected = setSpecTypeWithoutAttributeOnFixture(reqif);
	SpecType specTypeActual = ReqIF10Util.getSpecType(getFixture());
	assertSame(specTypeExpected, specTypeActual);
	assertEquals(1, notifications.size());
	}

	/**
	* When there are no attributes set, we will get only the standard ones and
	* those inherited from {@link Identifiable}. We check the names of the
	* labels.
	* <p>
	*/
	@Test
	public void testDefaultPropertyLabels() {
	List<IItemPropertyDescriptor> props = ProrUtil.getItemProvider(
	adapterFactory, getFixture()).getPropertyDescriptors(
	getFixture());

	// Set of actuals
	Set<String> actual = new HashSet<String>();
	for (IItemPropertyDescriptor prop : props) {
	actual.add(prop.getDisplayName(getFixture()));
	}

	// Set of expected
	assertEquals(getStandardPropertyNames(), actual);
	}

	/**
	* We test the properties for the fixture with a type that provides one
	* attribute. EMF requires the label for the properties to be non-null, so
	* we ensure that this is the case.
	*/
	@Test
	public void testPropertiesOfSpecElementWithAttributeNullLabel()
	throws URISyntaxException {
	ReqIF reqif = getTestReqif("simple.reqif");
	addFixtureToReqIf(reqif);

	AttributeDefinitionString ad = ReqIF10Factory.eINSTANCE
	.createAttributeDefinitionString();
	setSpecTypeWithAttributeOnFixture(reqif, ad);

	ItemProviderAdapter itemProvider = ProrUtil.getItemProvider(
	adapterFactory, getFixture());
	List<IItemPropertyDescriptor> props = itemProvider
	.getPropertyDescriptors(getFixture());

	// Set of actuals
	Set<String> actual = new HashSet<String>();
	for (IItemPropertyDescriptor prop : props) {
	actual.add(prop.getDisplayName(getFixture()));
	}

	// Set of expected
	Set<String> expected = getStandardPropertyNames();
	expected.add("UNNAMED (" + ad.getIdentifier() + ")");
	assertEquals(expected, actual);
	}

	/**
	* We test the properties for the fixture with a type that provides one
	* attribute.
	*/
	@Test
	public void testPropertiesOfSpecElementWithAttribute()
	throws URISyntaxException {
	ReqIF reqif = getTestReqif("simple.reqif");
	addFixtureToReqIf(reqif);

	AttributeDefinitionString ad = ReqIF10Factory.eINSTANCE
	.createAttributeDefinitionString();
	ad.setLongName("Description");
	setSpecTypeWithAttributeOnFixture(reqif, ad);

	ItemProviderAdapter itemProvider = ProrUtil.getItemProvider(
	adapterFactory, getFixture());
	List<IItemPropertyDescriptor> props = itemProvider
	.getPropertyDescriptors(getFixture());

	// Set of actuals
	Set<String> actual = new HashSet<String>();
	for (IItemPropertyDescriptor prop : props) {
	actual.add(prop.getDisplayName(getFixture()));
	}

	// Set of expected
	Set<String> expected = getStandardPropertyNames();
	expected.add("Description");
	assertEquals(expected, actual);
	}

	@Test
	public void testResetTypeDeletesValues() throws URISyntaxException {
	ReqIF reqif = getTestReqif("simple.reqif");
	addFixtureToReqIf(reqif);
	AttributeDefinitionString ad = ReqIF10Factory.eINSTANCE
	.createAttributeDefinitionString();
	ad.setLongName("Description");
	setSpecTypeWithAttributeOnFixture(reqif, ad);
	AttributeValue av = ReqIF10Util.createAttributeValue(ad);
	getFixture().getValues().add(av);
	assertEquals(1, getFixture().getValues().size());
	setFixtureType(getFixture(), null);
	assertNull(ReqIF10Util.getSpecType(getFixture()));
	assertEquals(0, getFixture().getValues().size());
	}

	@Test
	public void testCreateCommands() throws URISyntaxException {
	ReqIF reqif = getTestReqif("bare.reqif");
	// Required for generating the Virtual Element lazily.
	getItemProvider(reqif.getCoreContent()).getChildren(reqif.getCoreContent());

	addFixtureToReqIf(reqif);
	// We do it this way to get the correct Virtual ItemProvider
	TransientReqIFItemProvider ip = (TransientReqIFItemProvider) getItemProvider(
	getFixture()).getParent(getFixture());
	Collection<?> childDescriptors = ip.getNewChildDescriptors(
	getFixture(), editingDomain, null);
	assertEquals(1, childDescriptors.size());

	// Now we add a type
	AttributeDefinition ad = ReqIF10Factory.eINSTANCE.createAttributeDefinitionString();
	setSpecTypeWithAttributeOnFixture(reqif, ad);
	childDescriptors = ip.getNewChildDescriptors(
	getFixture(), editingDomain, null);
	assertEquals(2, childDescriptors.size());
	}

	/**
	* @return an array of property names for the given SpecElement type.
	*/
	protected abstract Set<String> getStandardPropertyNames();

	protected void setSpecTypeWithAttributeOnFixture(ReqIF reqif,
	AttributeDefinition ad) {
	SpecType type = getSpecTypeInstance();
	setViaCommand(type, ReqIF10Package.Literals.SPEC_TYPE__SPEC_ATTRIBUTES, ad);
	setViaCommand(reqif.getCoreContent(), ReqIF10Package.Literals.REQ_IF_CONTENT__SPEC_TYPES, type);
	setFixtureType(getFixture(), type);
	}

	protected SpecType setSpecTypeWithoutAttributeOnFixture(ReqIF reqif) {
	SpecType type = getSpecTypeInstance();
	setViaCommand(reqif.getCoreContent(),
	ReqIF10Package.Literals.REQ_IF_CONTENT__SPEC_TYPES, type);
	setFixtureType(getFixture(), type);
	return type;
	}

	/**
	* SpecType and AttributeValues can be out of sync (which is bad). If they
	* are, what matters? Answer: The type. This is what we test here.
	*
	* @throws URISyntaxException
	*/
	@Test
	public void testThatSpecTypeMattersForPropertyValues()
	throws URISyntaxException {
	ReqIF reqif = getTestReqif("simple.reqif");
	setSpecTypeWithoutAttributeOnFixture(reqif);
	ItemProviderAdapter provider = getItemProvider(getFixture());

	int oldCount = provider.getPropertyDescriptors(getFixture()).size();

	// Add a Value that should not be reported via Properties
	AttributeValueString value = ReqIF10Factory.eINSTANCE
	.createAttributeValueString();
	value.setDefinition((AttributeDefinitionString) reqif.getCoreContent()
	.getSpecTypes().get(0).getSpecAttributes().get(0));
	getFixture().getValues().add(value);
	List<IItemPropertyDescriptor> descriptors = provider
	.getPropertyDescriptors(getFixture());
	// There are 5 standard
	assertEquals(oldCount, descriptors.size());
	}

	/**
	* Sets the given Type on the given specElement.
	*/
	protected abstract void setFixtureType(
	SpecElementWithAttributes specElement, SpecType specType);

	/**
	*
	* Subclasses must override this. They have to return their corresponding
	* {@link SpecType}.
	*
	* @return the {@link SpecType} of the inherited class.
	*/
	protected abstract SpecType getSpecTypeInstance();

	@Override
	protected EObject getParent() {
	return ReqIF10Factory.eINSTANCE.createReqIFContent();
	}

	} // SpecElementWithAttributesTest