public void testEnsureMinimumXValue() {
   Geocache[] pts =
       new Geocache[] {
         new Geocache(1., 2.), new Geocache(3., 4.), new Geocache(50., 60.), new Geocache(7., 8.)
       };
   double value = 25.0;
   StaticMethodsAreEasy.ensureMinimumXValue(pts, value);
   assertEquals(value, pts[0].getX());
   assertEquals(value, pts[1].getX());
   assertEquals(50.0, pts[2].getX());
   assertEquals(value, pts[3].getX());
 }