assertXpathExists:
assert that an XPath expression selects at least one node
assertXpathNotExists:
assert that an XPath expression does not select any nodes
assertXpathsEqual:
assert that the node-sets obtained by evaluating two XPath expressions
are similar
assertXpathsNotEqual:
assert that the nodes obtained by evaluating two XPath expressions
are different
assertXpathValuesEqual:
assert that the string-value of two XPath expressions
evaluated against two context nodes
are similar
assertXpathValuesNotEqual:
assert that the string-value of two XPath expressions
are different
assertXpathEvaluatesTo:
assert that the string-value of an XPath expression is equal to a specified string