func TestSubtractionInt64SetWithoutAdds(t *testing.T) {
first := set.Int64Set{1, 2, 7, 9, 52, 53, 55, 63, 180, 212, 291, 307, 329, 365, 394, 395, 421, 448, 457, 484, 523, 533, 554, 561, 706, 896, 901, 906, 931, 959, 1081, 1086, 1088, 1090}
second := set.Int64Set{1, 2, 7, 52, 55, 63, 180, 212, 291, 394, 395, 421, 448, 457, 533, 554, 561, 706, 901, 906, 1081, 1086, 1088, 1090}
firstMinusSecond := first.Remove(second...)
for _, i := range second {
if firstMinusSecond.Exists(i) {
t.Errorf("Error! %v shouldn't be in firstMinusSecond", i)
}
}
}
