Examples of org.jaxen.XPath.evaluate()

org.jaxen.XPath.evaluate()
Evaluate this XPath against a given context.
The context of evaluation my be a document, an element, or a set of elements.

If the expression evaluates to a single primitive (String, Number or Boolean) type, it is returned directly. Otherwise, the returned value is a List (a node-set, in the terms of the specification) of values.

When using this method, one must be careful to test the class of the returned objects, and of each of the composite members if a List is returned. If the returned members are XML entities, they will be the actual Document, Element or Attribute objects as defined by the concrete XML object-model implementation, directly from the context document. This does not return copies of anything, but merely returns references to entities within the source document.
@param The node, nodeset or Context object for evaluation. This value can be null @return The result of evaluating the XPath expressionagainst the supplied context.

    
    // This is the same test but with parentheses to make explicit
    // how the previous test should be evaluated.
    public void testInequalityAssociativity5BP() throws JaxenException {
        XPath xpath = new DOMXPath("(((2 != 3) != 1) != 4) != 1");
        Boolean result = (Boolean) xpath.evaluate(doc);
        assertFalse(result.booleanValue());
    }
    
    public void testEqualityAssociativity5() throws JaxenException {
        XPath xpath = new DOMXPath("2 = 3 = 1 = 4 = 0");

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        assertFalse(result.booleanValue());
    }
    
    public void testEqualityAssociativity5() throws JaxenException {
        XPath xpath = new DOMXPath("2 = 3 = 1 = 4 = 0");
        Boolean result = (Boolean) xpath.evaluate(doc);
        assertTrue(result.booleanValue());
    }
    
    // This is the same test but with parentheses to make explicit
    // how the previous test should be evaluated.

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    // This is the same test but with parentheses to make explicit
    // how the previous test should be evaluated.
    public void testEqualityAssociativity5P() throws JaxenException {
        XPath xpath = new DOMXPath("(((2 = 3) = 1) = 4) = 0");
        Boolean result = (Boolean) xpath.evaluate(doc);
        assertTrue(result.booleanValue());
    }
    
    public void testEqualityAssociativity5B() throws JaxenException {
        XPath xpath = new DOMXPath("2 = 3 = 1 = 4 = 1");

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        assertTrue(result.booleanValue());
    }
    
    public void testEqualityAssociativity5B() throws JaxenException {
        XPath xpath = new DOMXPath("2 = 3 = 1 = 4 = 1");
        Boolean result = (Boolean) xpath.evaluate(doc);
        assertFalse(result.booleanValue());
    }
    
    // This is the same test but with parentheses to make explicit
    // how the previous test should be evaluated.

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    // This is the same test but with parentheses to make explicit
    // how the previous test should be evaluated.
    public void testEqualityAssociativity5BP() throws JaxenException {
        XPath xpath = new DOMXPath("(((2 = 3) = 1) = 4) = 1");
        Boolean result = (Boolean) xpath.evaluate(doc);
        assertFalse(result.booleanValue());
    }
    
    public void testMoreComplexArithmeticAssociativity() throws JaxenException {
        XPath xpath = new DOMXPath("1+2+1-1+1");

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        assertFalse(result.booleanValue());
    }
    
    public void testMoreComplexArithmeticAssociativity() throws JaxenException {
        XPath xpath = new DOMXPath("1+2+1-1+1");
        Double result = (Double) xpath.evaluate(doc);
        assertEquals(4, result.intValue());
    }
    
    
    public void testMostComplexArithmeticAssociativity() throws JaxenException {

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    }
    
    
    public void testMostComplexArithmeticAssociativity() throws JaxenException {
        XPath xpath = new DOMXPath("1+1+2+1-1+1");
        Double result = (Double) xpath.evaluate(doc);
        assertEquals(5, result.intValue());
    }
    
    
    public void testSimplerArithmeticAssociativity() throws JaxenException {

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    }
    
    
    public void testSimplerArithmeticAssociativity() throws JaxenException {
        XPath xpath = new DOMXPath("1-1+1");
        Double result = (Double) xpath.evaluate(doc);
        assertEquals(1, result.intValue());
    }
    
    
    public void testNamespaceNodesComeBeforeAttributeNodesInDocumentOrder() throws JaxenException {

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        doc.appendChild(a);
        Text b = doc.createTextNode("ready");
        a.appendChild(b);
        
        XPath xpath = new DOMXPath("..");
        List result = (List) xpath.evaluate(b);
        assertEquals(1, result.size());
        assertEquals(a, result.get(0));
   
    }

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    }


    public void testTranslate() throws JaxenException
    {
        XPath xpath = new DOMXPath( "translate('abc', 'b', 'd')" );
        String result = (String) xpath.evaluate( doc );
        assertEquals("adc", result);
    }    
  
    public void testTranslateIgnoresExtraArguments() throws JaxenException
    {

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