public void suggested3() throws Exception
{
History h = new History( 0, 10, 5 );
assertEquals( 0, h.suggested() );
assertTrue( h.used( 10 ) );
assertEquals( 10, h.getUsed() );
assertEquals( 0, h.suggested() ); // avg(0, 0, 0, 0, 0) == 0
h.tickle();
assertEquals( 2, h.suggested() ); // avg(10, 0, 0, 0, 0) == 2