testing/axiom-testsuite/src/main/java/org/apache/axiom/ts/om/element/TestGetChildrenRemove2.java

/*
 * 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
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 */
package org.apache.axiom.ts.om.element;

import java.io.StringReader;
import java.util.Iterator;

import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMMetaFactory;
import org.apache.axiom.om.OMNode;
import org.apache.axiom.om.OMXMLBuilderFactory;
import org.apache.axiom.ts.AxiomTestCase;

/** test the remove exception behavior, consecutive remove calls */
public class TestGetChildrenRemove2 extends AxiomTestCase {
    public TestGetChildrenRemove2(OMMetaFactory metaFactory) {
        super(metaFactory);
    }

    @Override
    protected void runTest() throws Throwable {
        OMElement elt = OMXMLBuilderFactory.createOMBuilder(metaFactory.getOMFactory(),
                new StringReader("<root><child1/><child2/></root>")).getDocumentElement();
        Iterator<OMNode> iter = elt.getChildren();
        if (iter.hasNext()) {
            iter.next();
        }
        iter.remove();

        //this call must generate an exception
        try {
            iter.remove();
            fail("calling remove twice without a call to next is prohibited");
        } catch (IllegalStateException e) {
            //ok if we come here :)
        }

        elt.close(false);
    }
}