testing/axiom-testsuite/src/main/java/org/apache/axiom/ts/om/document/TestSerializeAndConsumeWithIncompleteDescendant.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
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 * KIND, either express or implied. See the License for the
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package org.apache.axiom.ts.om.document;

import static com.google.common.truth.Truth.assertAbout;
import static org.apache.axiom.truth.xml.XMLTruth.xml;

import java.io.StringReader;
import java.io.StringWriter;

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

/**
 * Tests that {@link OMDocument#serializeAndConsume(java.io.Writer)} consumes incomplete descendants,
 * even if the document itself is complete (more precisely, created programmatically). This situation
 * may occur when an element obtained from
 * {@link org.apache.axiom.om.OMXMLParserWrapper#getDocumentElement(boolean)} (with
 * <code>discardDocument</code> set to true) is added to an existing document.
 */
public class TestSerializeAndConsumeWithIncompleteDescendant extends AxiomTestCase {
    public TestSerializeAndConsumeWithIncompleteDescendant(OMMetaFactory metaFactory) {
        super(metaFactory);
    }

    @Override
    protected void runTest() throws Throwable {
        OMFactory factory = metaFactory.getOMFactory();
        OMElement incompleteElement = OMXMLBuilderFactory.createOMBuilder(factory,
                new StringReader("<elem>text</elem>")).getDocumentElement(true);
        OMDocument document = factory.createOMDocument();
        OMElement root = factory.createOMElement("root", null, document);
        root.addChild(incompleteElement);
        StringWriter out = new StringWriter();
        document.serializeAndConsume(out);
        assertAbout(xml())
                .that(out.toString())
                .hasSameContentAs("<root><elem>text</elem></root>");
        assertConsumed(incompleteElement);
    }
}