func TestDeletableK(t *testing.T) {
	d := NewDeletableBloomFilter(100, 10, 0.1)
	if k := d.K(); k != 4 {
		t.Errorf("Expected 4, got %d", k)
	}
}
Ensures that K returns the number of hash functions in the Bloom Filter.
package boom
import (
	"strconv"
	"testing"
)
func TestDeletableCapacity(t *testing.T) {
	d := NewDeletableBloomFilter(100, 10, 0.1)
	if capacity := d.Capacity(); capacity != 470 {
		t.Errorf("Expected 470, got %d", capacity)
	}
}