public function string_representation_of_map_with_contents()
 {
     $fixture = new HashTable();
     $fixture->put('hello', 'World');
     $fixture->put('hallo', 'Welt');
     $this->assertEquals("util.collections.HashTable[2] {\n" . "  \"hello\" => \"World\",\n" . "  \"hallo\" => \"Welt\"\n" . "}", $fixture->toString());
 }