test/javax/xml/jaxp/unittest/xpath/XPathTest.java

@@ -22,33 +22,126 @@
  */
 
 package xpath;
 
 import javax.xml.namespace.NamespaceContext;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
 import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpressionException;
 import javax.xml.xpath.XPathFactory;
-
+import org.testng.annotations.DataProvider;
 import org.testng.annotations.Listeners;
 import org.testng.annotations.Test;
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
 
 /*
  * @test
  * @bug 6376058
  * @library /javax/xml/jaxp/libs /javax/xml/jaxp/unittest
  * @run testng/othervm -DrunSecMngr=true xpath.XPathTest
  * @run testng/othervm xpath.XPathTest
- * @summary Test XPath.getNamespaceContext() is supported.
+ * @summary Test XPath functions. See details for each test.
  */
 @Listeners({jaxp.library.BasePolicy.class})
 public class XPathTest {
 
+    /*
+      @bug 6211561
+     * Verifies the specification for XPath and XPathExpression:
+     * If a null value is provided for item (the context), 
+     * the expression must have no dependency on the context.
+    */
+    @Test(dataProvider = "noContextDependency")
+    public void testNoContextDependency1(String expression, Object item) throws XPathExpressionException {
+        XPath xPath = XPathFactory.newInstance().newXPath();
+        xPath.evaluate(expression, item, XPathConstants.STRING);
+    }
+    
+    @Test(dataProvider = "noContextDependency")
+    public void testNoContextDependency2(String expression, Object item) throws XPathExpressionException {
+        XPath xPath = XPathFactory.newInstance().newXPath();
+        xPath.evaluateExpression(expression, item, String.class);
+    }
+    
+    /*
+      @bug 6211561
+     * Verifies the specification for XPath and XPathExpression:
+     * If a null value is provided for item (the context) that the operation 
+     * depends on, XPathExpressionException will be thrown
+    */
+    @Test(dataProvider = "hasContextDependency", expectedExceptions = XPathExpressionException.class)
+    public void testHasContextDependency1(String expression, Object item) throws XPathExpressionException {
+        XPath xPath = XPathFactory.newInstance().newXPath();
+        xPath.evaluate(expression, item, XPathConstants.STRING);
+    }
+    
+    @Test(dataProvider = "hasContextDependency", expectedExceptions = XPathExpressionException.class)
+    public void testHasContextDependency2(String expression, Object item) throws XPathExpressionException {
+        XPath xPath = XPathFactory.newInstance().newXPath();
+        xPath.evaluateExpression(expression, item, String.class);
+    }
+    
+    /*
+      @bug 6376058
+      Verifies that XPath.getNamespaceContext() is supported.
+    */
     @Test
     public void testNamespaceContext() {
-
         XPathFactory xPathFactory = XPathFactory.newInstance();
         XPath xPath = xPathFactory.newXPath();
-
         NamespaceContext namespaceContext = xPath.getNamespaceContext();
+    }
+    
+    /*
+     * DataProvider: the expression has no dependency on the context
+     */
+    @DataProvider(name = "noContextDependency")
+    public Object[][] getExpressionContext() throws Exception {
+        return new Object[][]{
+            {"1+1", (Node)null},
+            {"5 mod 2", (Node)null},
+            {"8 div 2", (Node)null},
+            {"/node", getEmptyDocument()}
+        };
+    }
 
+    /*
+     * DataProvider: the expression has dependency on the context, but the context
+     * is null.
+     */
+    @DataProvider(name = "hasContextDependency")
+    public Object[][] getExpressionContext1() throws Exception {
+        return new Object[][]{
+            {"/node", (Node)null},
+            {"//@lang", (Node)null},
+            {"bookstore//book", (Node)null},
+            {"/bookstore/book[last()]", (Node)null},
+            {"//title[@lang='en']", (Node)null},
+            {"/bookstore/book[price>9.99]", (Node)null},
+            {"/bookstore/book[price>8.99 and price<9.99]", (Node)null},
+            {"/bookstore/*", (Node)null},
+            {"//title[@*]", (Node)null},
+            {"//title | //price", (Node)null},
+            {"//book/title | //book/price", (Node)null},
+            {"/bookstore/book/title | //price", (Node)null},
+            {"child::book", (Node)null},
+            {"child::text()", (Node)null},
+            {"child::*/child::price", (Node)null}
+        };
+    }
+    
+    /**
+     * Returns an empty {@link org.w3c.dom.Document}.
+     * @return a DOM Document, null in case of Exception
+     */
+    public Document getEmptyDocument() {
+        try {
+            return DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument();
+        } catch (ParserConfigurationException e) {
+            return null;
+        }
     }
 }