@Test
public void testIndexPathString() {

	String p = "[(0/1),(0/2),(2/3)]";
	assertEquals("0.0.2", (SplitHistory.parse(p).indexPathString()));
	p = "[(0/1),(1/2),(2/3)]";
	assertEquals("0.1.2", (SplitHistory.parse(p).indexPathString()));
	p = "[(0/1)]";
	assertEquals("0", (SplitHistory.parse(p).indexPathString()));
}