@Test
public void testHashcode() {

	SplitHistory history1 = SplitHistory.parse("[(0/1)]");
	SplitHistory history2 = SplitHistory.parse("[(0/1),(1/3)]");
	assertFalse(history1.hashCode() == history2.hashCode());
	assertTrue(history1.hashCode() == history1.hashCode());
	assertTrue(history1.hashCode() == history.hashCode());
}