1 files changed, 175 insertions, 0 deletions
diff --git a/common/tests/org.eclipse.jpt.common.utility.tests/src/org/eclipse/jpt/common/utility/tests/internal/model/value/PropertyValueModelToolsTests.java b/common/tests/org.eclipse.jpt.common.utility.tests/src/org/eclipse/jpt/common/utility/tests/internal/model/value/PropertyValueModelToolsTests.java
new file mode 100644
index 0000000000..1943731ab0
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+++ b/common/tests/org.eclipse.jpt.common.utility.tests/src/org/eclipse/jpt/common/utility/tests/internal/model/value/PropertyValueModelToolsTests.java
@@ -0,0 +1,175 @@
+/*******************************************************************************
+ * Copyright (c) 2016 Oracle. 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:
+ *     Oracle - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.jpt.common.utility.tests.internal.model.value;
+
+import java.lang.reflect.InvocationTargetException;
+import org.eclipse.jpt.common.utility.closure.Closure;
+import org.eclipse.jpt.common.utility.internal.ClassTools;
+import org.eclipse.jpt.common.utility.internal.model.value.CollectionValueModelTools;
+import org.eclipse.jpt.common.utility.internal.model.value.PluggableModifiablePropertyValueModel;
+import org.eclipse.jpt.common.utility.internal.model.value.PluggableModifiablePropertyValueModel.Adapter;
+import org.eclipse.jpt.common.utility.internal.model.value.PluggablePropertyValueModel;
+import org.eclipse.jpt.common.utility.internal.model.value.PropertyValueModelTools;
+import org.eclipse.jpt.common.utility.internal.model.value.SimpleCollectionValueModel;
+import org.eclipse.jpt.common.utility.internal.model.value.SimplePropertyValueModel;
+import org.eclipse.jpt.common.utility.internal.transformer.TransformerAdapter;
+import org.eclipse.jpt.common.utility.model.event.PropertyChangeEvent;
+import org.eclipse.jpt.common.utility.model.listener.PropertyChangeListener;
+import org.eclipse.jpt.common.utility.model.value.ModifiablePropertyValueModel;
+import org.eclipse.jpt.common.utility.model.value.PropertyValueModel;
+import junit.framework.TestCase;
+
+@SuppressWarnings("nls")
+public class PropertyValueModelToolsTests
+	extends TestCase
+{
+
+	public PropertyValueModelToolsTests(String name) {
+		super(name);
+	}
+
+	public void testModifiablePropertyValueModel() {
+		ModifiablePropertyValueModel<String> doubleStringModel = new SimplePropertyValueModel<>("foofoo");
+		PluggableModifiablePropertyValueModel.Adapter.Factory<String> factory = new HalfStringModelAdapter.Factory(doubleStringModel);
+		ModifiablePropertyValueModel<String> halfStringModel = PropertyValueModelTools.modifiablePropertyValueModel(factory);
+		HalfStringListener halfStringListener = new HalfStringListener();
+		halfStringModel.addPropertyChangeListener(PropertyValueModel.VALUE, halfStringListener);
+
+		halfStringListener.event = null;
+		assertEquals("foofoo", doubleStringModel.getValue());
+		assertEquals("foo", halfStringModel.getValue());
+		assertNull(halfStringListener.event);
+
+		halfStringListener.event = null;
+		halfStringModel.setValue("bar");
+		assertEquals("bar", halfStringModel.getValue());
+		assertEquals("barbar", doubleStringModel.getValue());
+		assertEquals("bar", halfStringListener.event.getNewValue());
+
+		halfStringListener.event = null;
+		halfStringModel.setValue("bar");
+		assertEquals("bar", halfStringModel.getValue());
+		assertEquals("barbar", doubleStringModel.getValue());
+		assertNull(halfStringListener.event);
+
+		halfStringListener.event = null;
+		doubleStringModel.setValue("xxxxxx");
+		assertEquals("xxx", halfStringModel.getValue());
+		assertEquals("xxxxxx", doubleStringModel.getValue());
+		assertEquals("xxx", halfStringListener.event.getNewValue());
+
+		halfStringListener.event = null;
+		halfStringModel.removePropertyChangeListener(PropertyValueModel.VALUE, halfStringListener);
+		assertNull(halfStringModel.getValue());
+		assertEquals("xxxxxx", doubleStringModel.getValue());
+		assertNull(halfStringListener.event);
+	}
+
+	public static class HalfStringListener
+		implements PropertyChangeListener
+	{
+		public PropertyChangeEvent event;
+		public void propertyChanged(PropertyChangeEvent e) {
+			this.event = e;
+		}
+	}
+
+	public static class HalfStringModelAdapter
+		implements PluggableModifiablePropertyValueModel.Adapter<String>
+	{
+		private final ModifiablePropertyValueModel<String> stringModel;
+		private final PluggableModifiablePropertyValueModel.Adapter.Listener<String> listener;
+		private final PropertyChangeListener stringListener;
+		private volatile String value;
+
+		public HalfStringModelAdapter(ModifiablePropertyValueModel<String> stringModel, PluggableModifiablePropertyValueModel.Adapter.Listener<String> listener) {
+			super();
+			this.stringModel = stringModel;
+			this.listener = listener;
+			this.stringListener = new StringListener();
+			this.value = null;
+		}
+
+		public void engageModel() {
+			this.stringModel.addPropertyChangeListener(PropertyValueModel.VALUE, this.stringListener);
+			String v = this.stringModel.getValue();
+			this.value = v.substring(v.length() / 2);
+		}
+
+		public String getValue() {
+			return this.value;
+		}
+
+		public void setValue(String value) {
+			this.value = value;
+			this.stringModel.setValue(value + value);
+		}
+
+		public void disengageModel() {
+			this.value = null;
+			this.stringModel.removePropertyChangeListener(PropertyValueModel.VALUE, this.stringListener);
+		}
+
+		void stringChanged(String newStringValue) {
+			String newValue = newStringValue.substring(newStringValue.length() / 2);
+			this.value = newValue;
+			this.listener.valueChanged(newValue);
+		}
+
+		public class StringListener
+			implements PropertyChangeListener
+		{
+			public void propertyChanged(PropertyChangeEvent event) {
+				HalfStringModelAdapter.this.stringChanged((String) event.getNewValue());
+			}
+		}
+
+		public static class Factory
+			implements PluggableModifiablePropertyValueModel.Adapter.Factory<String>
+		{
+			private final ModifiablePropertyValueModel<String> stringModel;
+			public Factory(ModifiablePropertyValueModel<String> stringModel) {
+				super();
+				this.stringModel = stringModel;
+			}
+			public Adapter<String> buildAdapter(PluggableModifiablePropertyValueModel.Adapter.Listener<String> listener) {
+				return new HalfStringModelAdapter(this.stringModel, listener);
+			}
+		}
+	}
+
+	public void testPluggableModifiablePropertyValueModel_NPE() {
+		PluggablePropertyValueModel.Adapter.Factory<String> factory = CollectionValueModelTools.pluggablePropertyValueModelAdapterFactory(new SimpleCollectionValueModel<>(), new TransformerAdapter<>());
+		Closure<String> closure = null;
+		boolean exCaught = false;
+		try {
+			ModifiablePropertyValueModel<String> pvm = PropertyValueModelTools.pluggableModifiablePropertyValueModel(factory, closure);
+			fail("bogus: " + pvm);
+		} catch (NullPointerException ex) {
+			exCaught = true;
+		}
+		assertTrue(exCaught);
+	}
+
+	public void testConstructor() {
+		boolean exCaught = false;
+		try {
+			Object o = ClassTools.newInstance(PropertyValueModelTools.class);
+			fail("bogus: " + o);
+		} catch (RuntimeException ex) {
+			if (ex.getCause() instanceof InvocationTargetException) {
+				if (ex.getCause().getCause() instanceof UnsupportedOperationException) {
+					exCaught = true;
+				}
+			}
+		}
+		assertTrue(exCaught);
+	}
+}