reflector.go/dht/bitmap_test.go
2018-03-07 19:49:33 -05:00

98 lines
2.2 KiB
Go

package dht
import (
"testing"
"github.com/zeebo/bencode"
)
func TestBitmap(t *testing.T) {
a := bitmap{
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
}
b := bitmap{
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 47, 46,
}
c := bitmap{
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1,
}
if !a.Equals(a) {
t.Error("bitmap does not equal itself")
}
if a.Equals(b) {
t.Error("bitmap equals another bitmap with different id")
}
if !a.Xor(b).Equals(c) {
t.Error(a.Xor(b))
}
if c.PrefixLen() != 375 {
t.Error(c.PrefixLen())
}
if b.Less(a) {
t.Error("bitmap fails lessThan test")
}
id := "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
if newBitmapFromHex(id).Hex() != id {
t.Error(newBitmapFromHex(id).Hex())
}
}
func TestBitmapMarshal(t *testing.T) {
b := newBitmapFromString("123456789012345678901234567890123456789012345678")
encoded, err := bencode.EncodeBytes(b)
if err != nil {
t.Error(err)
}
if string(encoded) != "48:123456789012345678901234567890123456789012345678" {
t.Error("encoding does not match expected")
}
}
func TestBitmapMarshalEmbedded(t *testing.T) {
e := struct {
A string
B bitmap
C int
}{
A: "1",
B: newBitmapFromString("222222222222222222222222222222222222222222222222"),
C: 3,
}
encoded, err := bencode.EncodeBytes(e)
if err != nil {
t.Error(err)
}
if string(encoded) != "d1:A1:11:B48:2222222222222222222222222222222222222222222222221:Ci3ee" {
t.Error("encoding does not match expected")
}
}
func TestBitmapMarshalEmbedded2(t *testing.T) {
encoded, err := bencode.EncodeBytes([]interface{}{
newBitmapFromString("333333333333333333333333333333333333333333333333"),
})
if err != nil {
t.Error(err)
}
if string(encoded) != "l48:333333333333333333333333333333333333333333333333e" {
t.Error("encoding does not match expected")
}
}