func TestTakeMin(t *testing.T) {
var set intsets.Sparse
set.Insert(456)
set.Insert(123)
set.Insert(789)
set.Insert(-123)
var got int
for i, want := range []int{-123, 123, 456, 789} {
if !set.TakeMin(&got) || got != want {
t.Errorf("TakeMin #%d: got %d, want %d", i, got, want)
}
}
if set.TakeMin(&got) {
t.Errorf("%s.TakeMin returned true", set, got)
}
if err := set.Check(); err != nil {
t.Fatalf("check: %s: %#v", err, &set)
}
}