/*

 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 */

package javax.xml.xpath;

import java.io.File;

import javax.xml.xpath.*;

import static org.testng.Assert.assertEquals;

import static org.testng.Assert.assertTrue;

import org.testng.annotations.Test;

import org.w3c.dom.Document;

import org.w3c.dom.Node;

/*

 * @bug 8054196

 * @summary Test for the project XPath: support any type. This test covers the new

 * evaluateExpression methods of XPath, as well as XPathNodes and XPathEvaluationResult.

 */

public class XPathAnyTypeTest extends XPathTestBase {

    /*

     Test for resolveFunction(QName functionName,int arity); evaluate throws

     NPE if functionName  is null.

     */

    @Test(dataProvider = "xpath", expectedExceptions = NullPointerException.class)

    public void testCheckXPathFunctionResolver02(XPath xpath) throws XPathExpressionException {

        xpath.setXPathFunctionResolver((functionName, arity) -> null);

        assertEquals(xpath.evaluate(null, "5"), "2");

    }

    /*

     Check that NPE is thrown when expression is null.

     */

    @Test(dataProvider = "xpath", expectedExceptions = NullPointerException.class)

    public void test01(XPath xpath) throws XPathExpressionException {

        double result = xpath.evaluateExpression(null, (Object) null, Double.class);

    }

    /*

     Check that NPE is thrown when the class type is null.

     */

    @Test(dataProvider = "xpath", expectedExceptions = NullPointerException.class)

    public void test02(XPath xpath) throws XPathExpressionException {

        double result = xpath.evaluateExpression("1+1", (Object) null, null);

    }

    /*

     Parameter item can be null when the expression does not depends on the

     context.

     */

    @Test(dataProvider = "xpath")

    public void test03(XPath xpath) throws XPathExpressionException {

        int result = xpath.evaluateExpression("1+1", (Object) null, Integer.class);

        assertTrue(result == 2);

    }

    /*

     * Test return type: boolean.

     */

    @Test(dataProvider = "document")

    public void test04(XPath xpath, Document doc) throws XPathExpressionException {

        boolean result1 = xpath.evaluateExpression("boolean(/Customers/Customer[@id=3])", doc, Boolean.class);

        assertTrue(result1);

    }

    /*

     * Test return type: numeric. Subtypes supported: Double, Integer and Long

     */

    @Test(dataProvider = "document")

    public void test05(XPath xpath, Document doc) throws XPathExpressionException {

        double result1 = xpath.evaluateExpression("count(/Customers/Customer)", doc, Double.class);

        assertTrue(result1 == 3.0);

        int result2 = xpath.evaluateExpression("count(/Customers/Customer)", doc, Integer.class);

        assertTrue(result2 == 3);

        long result3 = xpath.evaluateExpression("count(/Customers/Customer)", doc, Long.class);

        assertTrue(result3 == 3);

    }

    /*

     * Test return type: numeric.  Of the subtypes of Number, only Double,

     * Integer and Long are required.

     */

    @Test(dataProvider = "invalidNumericTypes", expectedExceptions = IllegalArgumentException.class)

    public void test06(XPath xpath, Class<Number> type) throws XPathExpressionException {

        xpath.evaluateExpression("1+1", (Object) null, type);

    }

    /*

     * Test return type: String.

     */

    @Test(dataProvider = "document")

    public void test07(XPath xpath, Document doc) throws XPathExpressionException {

        String result1 = xpath.evaluateExpression("string(/Customers/Customer[@id=3]/Phone/text())", doc, String.class);

        assertTrue(result1.equals("3333333333"));

    }

    /*

     * Test return type: NodeSet.

     */

    @Test(dataProvider = "document")

    public void test08(XPath xpath, Document doc) throws XPathExpressionException {

        XPathNodes nodes = xpath.evaluateExpression("/Customers/Customer", doc, XPathNodes.class);

        assertTrue(nodes.size() == 3);

        for (Node n : nodes) {

            assertEquals(n.getLocalName(), "Customer");

        }

    }

    /*

     * Test return type: Node.

     */

    @Test(dataProvider = "document")

    public void test09(XPath xpath, Document doc) throws XPathExpressionException {

        Node n = xpath.evaluateExpression("/Customers/Customer[@id=3]", doc, Node.class);

        assertEquals(n.getLocalName(), "Customer");

    }

    /*

     * Test return type: Unsupported type.

     */

    @Test(dataProvider = "document", expectedExceptions = IllegalArgumentException.class)

    public void test10(XPath xpath, Document doc) throws XPathExpressionException {

        File n = xpath.evaluateExpression("/Customers/Customer[@id=3]", doc, File.class);

    }

    /*

     * Test return type: Any::Boolean.

     */

    @Test(dataProvider = "document")

    public void test11(XPath xpath, Document doc) throws XPathExpressionException {

        XPathEvaluationResult<?> result = xpath.evaluateExpression("boolean(/Customers/Customer[@id=3])", doc);

        verifyResult(result, true);

    }

    /*

     * Test return type: Any::Number.

     */

    @Test(dataProvider = "document")

    public void test12(XPath xpath, Document doc) throws XPathExpressionException {

        XPathEvaluationResult<?> result = xpath.evaluateExpression("count(/Customers/Customer)", doc);

        verifyResult(result, 3.0);

    }

    /*

     * Test return type: Any::String.

     */

    @Test(dataProvider = "document")

    public void test13(XPath xpath, Document doc) throws XPathExpressionException {

        XPathEvaluationResult<?> result = xpath.evaluateExpression(

                "string(/Customers/Customer[@id=3]/Phone/text())", doc, XPathEvaluationResult.class);

        verifyResult(result, "3333333333");

    }

    /*

     * Test return type: Any::Nodeset.

     */

    @Test(dataProvider = "document")

    public void test14(XPath xpath, Document doc) throws XPathExpressionException {

        XPathEvaluationResult<?> result = xpath.evaluateExpression("/Customers/Customer", doc);

        verifyResult(result, "Customer");

    }

    /*

     * Test return type: Any::Node.

     */

    @Test(dataProvider = "document")

    public void test15(XPath xpath, Document doc) throws XPathExpressionException {

        XPathEvaluationResult<?> result = xpath.evaluateExpression("/Customers/Customer[@id=3]", doc);

        verifyResult(result, "Customer");

    }

}