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package org.apache.ws.jaxme.junit;

import org.apache.ws.jaxme.test.recursion.Attribute;
import org.apache.ws.jaxme.test.recursion.DirectEmployee;
import org.apache.ws.jaxme.test.recursion.IndirectEmployee;
import org.apache.ws.jaxme.test.recursion.PotEmployee;


/**
 * Tests for unmarshalling from a string, them marshalling to another
 * string and unmarshalling back to another object for comparison.
 * Three different recursive schemas are used:
 * 
 *   Direct recursion: A node is recurring directly under itself.
 *   Indirect recursion: A node is recurring as a child of another
 *     node within itself.
 *   Potential direct/indirect recursion: A node is directly
 *     recurring/indirectly recurring under as one of the choices under
 *     itself.
 * 
 */
public class RecursionTest extends BaseTestCase {
    /** Creates a new instance with the given name.
     */
    public RecursionTest(String pName) { super(pName); }

    /** Tests indirect recursion: The recursing element is a child
     * elements child.
     */
    public void testIndirectRecursion() throws Exception {
	    final String xml =
	        "\n" +
	        "  \n" +
	        "    \n" +
	        "      \n" +
	        "        \n" +
	        "          \n" +
	        "        \n" +
	        "      \n" +
	        "    \n" +
	        "  \n" +
	        "";

		unmarshalMarshalUnmarshal(IndirectEmployee.class, xml);
	}

    /** Tests direct recursion: The recursing element is an
     * immediate child.
     */
    public void testDirectRecursion() throws Exception {
	    final String xml =
	        "\n" +
	        "  \n" +
	        "    \n" +
	        "      \n" +
	        "    \n" +
	        "  \n" +
	        "";
		unmarshalMarshalUnmarshal(DirectEmployee.class, xml);
	}

    /** Tests potential recursion: The recursing element may
     * be a direct or an indirect child.
     */
    public void testPotentialRecursion() throws Exception {
	    final String xml1 =
	        "\n" +
	        "  \n" +
	        "";
		unmarshalMarshalUnmarshal(PotEmployee.class, xml1);
		final String xml2 =
	        "\n" +
	        "  \n" +
		    "    \n" +
		    "  \n" +
		    "";
		unmarshalMarshalUnmarshal(PotEmployee.class, xml2);
	}

    /** Tests recursion using element references.
     */
    public void testElementRecursion() throws Exception {
    	final String xml =
            "\n" +
            "  \n" +
            "    \n" +
            "      \n" +
            "    \n" +
            "    \n" +
            "      \n" +
            "    \n" +
            "  \n" +
            "";
        unmarshalMarshalUnmarshal(Attribute.class, xml);
    }
}