public void testCaseSensitivity() {
Expression e1 = filterFactory.literal("foo");
Expression e2 = filterFactory.literal("FoO");
PropertyIsEqualTo caseSensitive = filterFactory.equal(e1, e2, true);
assertFalse(caseSensitive.evaluate(null));
PropertyIsEqualTo caseInsensitive = filterFactory.equal(e1, e2, false);
assertTrue(caseInsensitive.evaluate(null));
}