package bits
import (
"strconv"
"testing"
)
func TestSize(t *testing.T) {
sizes := []uint{0, 31, 32, 33, 61, 63, 64, 127, 128, 129}
for _, size := range sizes {
v := New(size)
if v.Len() < size || v.Len() > size+strconv.IntSize {
t.Error("Invalid length", v.Len(), "expected", size)
}
}
}
func TestEmpty(t *testing.T) {
var size uint = 128
v := New(size)
// Check if it is empty by default
for i := uint(0); i < size; i++ {
if v.Peek(i) {
t.Error("Invalid raised bit at", i)
}
}
}
func TestBasic(t *testing.T) {
var size uint = 128
v := New(size)
// Raise and lower each position explicitly
for i := uint(0); i < size; i++ {
v.Poke(i, true)
if !v.Peek(i) {
t.Error("Invalid lowered bit at", i)
}
v.Poke(i, false)
if v.Peek(i) {
t.Error("Invalid raised bit at", i)
}
}
}
func TestFlip(t *testing.T) {
var size uint = 128
v := New(size)
// Raise and lower each position by flipping
for i := uint(0); i < size; i++ {
v.Flip(i)
if !v.Peek(i) {
t.Error("Invalid lowered bit at", i)
}
v.Flip(i)
if v.Peek(i) {
t.Error("Invalid raised bit at", i)
}
}
}