@Test public void testIsComplex() throws Exception { Path path; path = Path.fromDotString("1.2.3"); Assert.assertThat(path.isComplex(), is(true)); path = Path.fromDotString("1"); Assert.assertThat(path.isComplex(), is(false)); path = Path.fromDotString(""); Assert.assertThat(path.isComplex(), is(false)); }