assertTrue( "sets incorrectly not equal: " + keyset + ", " + other,
keyset.equals( other ) );
int[] mismatched = {72, 49, 53, 1024, 999};
TIntSet unequal = new TIntHashSet();
unequal.addAll( mismatched );
assertFalse( "sets incorrectly equal: " + keyset + ", " + unequal,
keyset.equals( unequal ) );
// Change length, different code branch