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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package javax.xml.jaxp14.ptests;

import static org.testng.Assert.assertNotNull;

import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathFactory;
import javax.xml.xpath.XPathFactoryConfigurationException;

import jaxp.library.JAXPBaseTest;

import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;

/*
 * @summary Tests for XPathFactory.newInstance(uri, factoryClassName , classLoader)
 */
public class XPathFactoryTest extends JAXPBaseTest {

    private static final String URI = "http://java.sun.com/jaxp/xpath/dom";
    private static final String XPATH_FACTORY_CLASSNAME = "com.sun.org.apache.xpath.internal.jaxp.XPathFactoryImpl";

    @DataProvider(name = "parameters")
    public Object[][] getValidateParameters() {
        return new Object[][] { { URI, XPATH_FACTORY_CLASSNAME, null }, { URI, XPATH_FACTORY_CLASSNAME, this.getClass().getClassLoader() } };
    }

    /*
     * test for XPathFactory.newInstance(java.lang.String uri, java.lang.String
     * factoryClassName, java.lang.ClassLoader classLoader) factoryClassName
     * points to correct implementation of javax.xml.xpath.XPathFactory , should
     * return newInstance of XPathFactory
     */
    @Test(dataProvider = "parameters")
    public void testNewInstance(String uri, String factoryClassName, ClassLoader classLoader) throws XPathFactoryConfigurationException {
        XPathFactory xpf = XPathFactory.newInstance(uri, factoryClassName, classLoader);
        XPath xpath = xpf.newXPath();
        assertNotNull(xpath);
    }

    @DataProvider(name = "invalid-parameters")
    public Object[][] getInvalidateParameters() {
        return new Object[][] { { URI, null, null }, { URI, null, this.getClass().getClassLoader() } };
    }

    /*
     * test for XPathFactory.newInstance(java.lang.String uri, java.lang.String
     * factoryClassName, java.lang.ClassLoader classLoader) factoryClassName is
     * null , should throw XPathFactoryConfigurationException
     */
    @Test(expectedExceptions = XPathFactoryConfigurationException.class, dataProvider = "invalid-parameters")
    public void testNewInstanceWithNullFactoryClassName(String uri, String factoryClassName, ClassLoader classLoader) throws XPathFactoryConfigurationException {
        XPathFactory.newInstance(uri, factoryClassName, classLoader);
    }

    /*
     * test for XPathFactory.newInstance(java.lang.String uri, java.lang.String
     * factoryClassName, java.lang.ClassLoader classLoader) uri is null , should
     * throw NPE
     */
    @Test(expectedExceptions = NullPointerException.class)
    public void testNewInstanceWithNullUri() throws XPathFactoryConfigurationException {
        XPathFactory.newInstance(null, XPATH_FACTORY_CLASSNAME, this.getClass().getClassLoader());
    }

    /*
     * test for XPathFactory.newInstance(java.lang.String uri, java.lang.String
     * factoryClassName, java.lang.ClassLoader classLoader) uri is empty, should
     * throw IllegalArgumentException
     */
    @Test(expectedExceptions = IllegalArgumentException.class)
    public void testNewInstanceWithEmptyUri() throws XPathFactoryConfigurationException {
        XPathFactory.newInstance("", XPATH_FACTORY_CLASSNAME, this.getClass().getClassLoader());
    }

}