@Test
public void testFormatTimeSecondsSinceEpoch() throws Exception {

    {
        StringBuilder buff = new StringBuilder();
        Util.formatTimeSecondsSinceEpoch(10001L, buff);
        assertEquals("10.001", buff.toString());
    }
    {
        // This is a degenerate case
        StringBuilder buff = new StringBuilder();
        Util.formatTimeSecondsSinceEpoch(10L, buff);
        assertEquals("10", buff.toString());
    }
}