public void XpathEvaluatesMultiNodeExpression()
{
string expectedValue = "onetwo";
XPath xpath = new XPath(MULTI_NODE_XPATH);
Assert.Equal(expectedValue,
xpath.EvaluateXPath(MORE_COMPLEX_XML));
}
public void XpathEvaluatesCountExpression()
{
string expectedValue = "2";
XPath xpath = new XPath(COUNT_XPATH);
Assert.Equal(expectedValue,
xpath.EvaluateXPath(MORE_COMPLEX_XML));
}
public void XpathEvaluatesToEmptyStringForUnmatchedExpression()
{
string expectedValue = "";
XPath xpath = new XPath(NONEXISTENT_XPATH);
Assert.Equal(expectedValue,
xpath.EvaluateXPath(SIMPLE_XML));
}
public void XpathEvaluatesToTextValueForSimpleString()
{
string expectedValue = "one two";
XPath xpath = new XPath(EXISTENT_XPATH);
Assert.Equal(expectedValue,
xpath.EvaluateXPath(SIMPLE_XML));
}
public static void AssertXPathEvaluatesTo(string anXPathExpression, XmlInput inXml,
string expectedValue)
{
XPath xpath = new XPath(anXPathExpression);
Equal(expectedValue, xpath.EvaluateXPath(inXml));
}
public static void AssertXPathExists(string anXPathExpression, XmlInput inXml)
{
XPath xpath = new XPath(anXPathExpression);
True(xpath.XPathExists(inXml));
}
public void XpathExistsFalseForUnmatchedExpression()
{
XPath xpath = new XPath(NONEXISTENT_XPATH);
Assert.Equal(false,
xpath.XPathExists(SIMPLE_XML));
}
public void XpathExistsTrueForXpathThatExists()
{
XPath xpath = new XPath(EXISTENT_XPATH);
Assert.Equal(true,
xpath.XPathExists(SIMPLE_XML));
}