public void testCreateCacheKey() throws Exception {
Assert.assertNotEquals(LiteralCommons.createCacheKey("abc",null,(String)null), LiteralCommons.createCacheKey("ABC",null,(String)null));
Assert.assertNotEquals(LiteralCommons.createCacheKey("abc",null,(URI)null), LiteralCommons.createCacheKey("ABC",null,(URI)null));
Repository repository = new SailRepository(new MemoryStore());
repository.initialize();
ValueFactory vf = repository.getValueFactory();
// create a string literal without language and datatype and test if the hash key is correct between
// the different methods