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diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/interface-wsdl/src/test/java/org/apache/tuscany/sca/interfacedef/wsdl/introspect/WSDLOperationIntrospectorTestCase.java b/sca-java-2.x/tags/2.0.1-RC1/modules/interface-wsdl/src/test/java/org/apache/tuscany/sca/interfacedef/wsdl/introspect/WSDLOperationIntrospectorTestCase.java
new file mode 100644
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+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/interface-wsdl/src/test/java/org/apache/tuscany/sca/interfacedef/wsdl/introspect/WSDLOperationIntrospectorTestCase.java
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+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+
+package org.apache.tuscany.sca.interfacedef.wsdl.introspect;
+
+import static org.junit.Assert.fail;
+
+import java.net.URI;
+import java.net.URL;
+import java.util.List;
+
+import javax.wsdl.PortType;
+import javax.xml.namespace.QName;
+
+import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLDefinition;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLInterface;
+import org.apache.tuscany.sca.interfacedef.wsdl.WSDLOperation;
+import org.apache.tuscany.sca.interfacedef.wsdl.xml.AbstractWSDLTestCase;
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * Test case for WSDLOperation.
+ *
+ * @version $Rev$ $Date$
+ */
+public class WSDLOperationIntrospectorTestCase extends AbstractWSDLTestCase {
+    private static final QName PORTTYPE_NAME =
+        new QName("http://example.com/stockquote.wsdl", "StockQuotePortType");
+
+
+    @SuppressWarnings("unchecked")
+    @Test
+    public final void testWrappedOperation() throws Exception {
+        URL url = getClass().getResource("../xml/stockquote.wsdl");
+        ProcessorContext context = new ProcessorContext();
+        WSDLDefinition definition = (WSDLDefinition)documentProcessor.read(null, new URI("stockquote.wsdl"), url, context);
+        resolver.addModel(definition, context);
+        definition = resolver.resolveModel(WSDLDefinition.class, definition, context);
+        PortType portType = definition.getDefinition().getPortType(PORTTYPE_NAME);
+        
+        WSDLInterface wi = wsdlFactory.createWSDLInterface(portType, definition, resolver, context.getMonitor());
+        WSDLOperation op = (WSDLOperation) wi.getOperations().get(0);
+
+        DataType<List<DataType>> inputType = op.getInputType();
+        Assert.assertEquals(1, inputType.getLogical().size());
+        DataType<XMLType> type = inputType.getLogical().get(0);
+        Assert.assertEquals(new QName("http://example.com/stockquote.xsd", "getLastTradePrice"), type.getLogical().getElementName());
+
+        DataType<List<DataType>> outputType = op.getOutputType();
+        DataType<XMLType> logical = outputType.getLogical().get(0);
+        Assert.assertEquals(new QName("http://example.com/stockquote.xsd", "getLastTradePriceResponse"),
+                            logical.getLogical().getElementName());
+        Assert.assertTrue(op.isInputWrapperStyle());
+
+        DataType<List<DataType>> unwrappedInputType = op.getInputWrapper().getUnwrappedType();
+        List<DataType> childTypes = unwrappedInputType.getLogical();
+        Assert.assertEquals(1, childTypes.size());
+        DataType<XMLType> childType = childTypes.get(0);
+        Assert.assertEquals(new QName(null, "tickerSymbol"), childType.getLogical().getElementName());
+
+        DataType<List<DataType>> unwrappedOutputType = op.getOutputWrapper().getUnwrappedType();
+        childTypes = unwrappedOutputType.getLogical();
+        Assert.assertEquals(1, childTypes.size());
+        childType = childTypes.get(0);
+        Assert.assertEquals(new QName(null, "price"), childType.getLogical().getElementName());
+    }
+
+    @Test
+    public final void testUnwrappedOperation() throws Exception {
+        ProcessorContext context = new ProcessorContext();
+        URL url = getClass().getResource("../xml/unwrapped-stockquote.wsdl");
+        WSDLDefinition definition = (WSDLDefinition)documentProcessor.read(null, new URI("unwrapped-stockquote.wsdl"), url, context);
+        resolver.addModel(definition, context);
+        definition = resolver.resolveModel(WSDLDefinition.class, definition, context);
+        PortType portType = definition.getDefinition().getPortType(PORTTYPE_NAME);
+
+        WSDLInterface wi = wsdlFactory.createWSDLInterface(portType, definition, resolver, context.getMonitor());
+        WSDLOperation op = (WSDLOperation) wi.getOperations().get(1);
+        Assert.assertFalse(op.isInputWrapperStyle());
+        Assert.assertEquals(1, op.getInputType().getLogical().size());
+
+        op = (WSDLOperation) wi.getOperations().get(2);
+        Assert.assertFalse(op.isInputWrapperStyle());
+        Assert.assertEquals(2, op.getInputType().getLogical().size());
+    }
+
+    @Test
+    public final void testInvalidWSDL() throws Exception {
+        ProcessorContext context = new ProcessorContext();
+        URL url = getClass().getResource("../xml/invalid-stockquote.wsdl");
+        WSDLDefinition definition = (WSDLDefinition)documentProcessor.read(null, new URI("invalid-stockquote.wsdl"), url, context);
+        resolver.addModel(definition, context);
+        definition = resolver.resolveModel(WSDLDefinition.class, definition, context);
+        PortType portType = definition.getDefinition().getPortType(PORTTYPE_NAME);
+
+        try {
+            WSDLInterface wi = wsdlFactory.createWSDLInterface(portType, definition, resolver, context.getMonitor());
+            WSDLOperation op = (WSDLOperation) wi.getOperations().get(0);
+
+            op.isInputWrapperStyle();
+            fail("InvalidWSDLException should have been thrown");
+        } catch (InvalidInterfaceException e) {
+            // Expected
+        }
+
+    }
+
+}