1 /*

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

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

     4  *

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

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

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

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

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 package javax.xml.xpath;

    24 

    25 import java.io.File;

    26 import javax.xml.xpath.*;

    27 import static org.testng.Assert.assertEquals;

    28 import static org.testng.Assert.assertTrue;

    29 import org.testng.annotations.Test;

    30 import org.w3c.dom.Document;

    31 import org.w3c.dom.Node;

    32 

    33 /*

    34  * @bug 8054196

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

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

    37  */

    38 public class XPathAnyTypeTest extends XPathTestBase {

    39     /*

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

    41      NPE if functionName  is null.

    42      */

    43 

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

    45     public void testCheckXPathFunctionResolver02(XPath xpath) throws XPathExpressionException {

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

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

    48     }

    49     /*

    50      Check that NPE is thrown when expression is null.

    51      */

    52 

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

    54     public void test01(XPath xpath) throws XPathExpressionException {

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

    56     }

    57 

    58     /*

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

    60      */

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

    62     public void test02(XPath xpath) throws XPathExpressionException {

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

    64     }

    65 

    66     /*

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

    68      context.

    69      */

    70     @Test(dataProvider = "xpath")

    71     public void test03(XPath xpath) throws XPathExpressionException {

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

    73         assertTrue(result == 2);

    74     }

    75 

    76     /*

    77      * Test return type: boolean.

    78      */

    79     @Test(dataProvider = "document")

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

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

    82         assertTrue(result1);

    83     }

    84 

    85     /*

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

    87      */

    88     @Test(dataProvider = "document")

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

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

    91         assertTrue(result1 == 3.0);

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

    93         assertTrue(result2 == 3);

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

    95         assertTrue(result3 == 3);

    96     }

    97 

    98     /*

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

   100      * Integer and Long are required.

   101      */

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

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

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

   105     }

   106 

   107     /*

   108      * Test return type: String.

   109      */

   110     @Test(dataProvider = "document")

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

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

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

   114     }

   115 

   116     /*

   117      * Test return type: NodeSet.

   118      */

   119     @Test(dataProvider = "document")

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

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

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

   123         for (Node n : nodes) {

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

   125         }

   126     }

   127 

   128     /*

   129      * Test return type: Node.

   130      */

   131     @Test(dataProvider = "document")

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

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

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

   135     }

   136 

   137     /*

   138      * Test return type: Unsupported type.

   139      */

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

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

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

   143     }

   144 

   145     /*

   146      * Test return type: Any::Boolean.

   147      */

   148     @Test(dataProvider = "document")

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

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

   151         verifyResult(result, true);

   152     }

   153 

   154     /*

   155      * Test return type: Any::Number.

   156      */

   157     @Test(dataProvider = "document")

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

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

   160         verifyResult(result, 3.0);

   161     }

   162 

   163     /*

   164      * Test return type: Any::String.

   165      */

   166     @Test(dataProvider = "document")

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

   168         XPathEvaluationResult<?> result = xpath.evaluateExpression(

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

   170         verifyResult(result, "3333333333");

   171     }

   172 

   173     /*

   174      * Test return type: Any::Nodeset.

   175      */

   176     @Test(dataProvider = "document")

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

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

   179         verifyResult(result, "Customer");

   180     }

   181 

   182     /*

   183      * Test return type: Any::Node.

   184      */

   185     @Test(dataProvider = "document")

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

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

   188         verifyResult(result, "Customer");

   189     }

   190 }