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) } }