Returns a list of tests to add to the existing list.
array An array of tests
public function getTests() {
return array(
'even' => new Twig_Test_Node('Twig_Node_Expression_Test_Even'),
'odd' => new Twig_Test_Node('Twig_Node_Expression_Test_Odd'),
'defined' => new Twig_Test_Node('Twig_Node_Expression_Test_Defined'),
'sameas' => new Twig_Test_Node('Twig_Node_Expression_Test_Sameas'),
'none' => new Twig_Test_Node('Twig_Node_Expression_Test_Null'),
'null' => new Twig_Test_Node('Twig_Node_Expression_Test_Null'),
'divisibleby' => new Twig_Test_Node('Twig_Node_Expression_Test_Divisibleby'),
'constant' => new Twig_Test_Node('Twig_Node_Expression_Test_Constant'),
'empty' => new Twig_Test_Function('twig_test_empty'),
'iterable' => new Twig_Test_Function('twig_test_iterable'),
);
}