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Files
kubo/util/util_test.go
2014-10-30 04:14:05 -07:00

88 lines
1.4 KiB
Go

package util
import (
"bytes"
"io/ioutil"
"math/rand"
"testing"
mh "github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/jbenet/go-multihash"
)
func TestKey(t *testing.T) {
h1, err := mh.Sum([]byte("beep boop"), mh.SHA2_256, -1)
if err != nil {
t.Error(err)
}
k1 := Key(h1)
h2 := mh.Multihash(k1)
k2 := Key(h2)
if !bytes.Equal(h1, h2) {
t.Error("Multihashes not equal.")
}
if k1 != k2 {
t.Error("Keys not equal.")
}
}
func TestByteChanReader(t *testing.T) {
data := make([]byte, 1024*1024)
r := NewTimeSeededRand()
r.Read(data)
dch := make(chan []byte, 8)
go func() {
beg := 0
for i := 0; i < len(data); {
i += rand.Intn(100) + 1
if i > len(data) {
i = len(data)
}
dch <- data[beg:i]
beg = i
}
close(dch)
}()
read := NewByteChanReader(dch)
out, err := ioutil.ReadAll(read)
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(out, data) {
t.Fatal("Reader failed to stream correct bytes")
}
}
func TestXOR(t *testing.T) {
cases := [][3][]byte{
[3][]byte{
[]byte{0xFF, 0xFF, 0xFF},
[]byte{0xFF, 0xFF, 0xFF},
[]byte{0x00, 0x00, 0x00},
},
[3][]byte{
[]byte{0x00, 0xFF, 0x00},
[]byte{0xFF, 0xFF, 0xFF},
[]byte{0xFF, 0x00, 0xFF},
},
[3][]byte{
[]byte{0x55, 0x55, 0x55},
[]byte{0x55, 0xFF, 0xAA},
[]byte{0x00, 0xAA, 0xFF},
},
}
for _, c := range cases {
r := XOR(c[0], c[1])
if !bytes.Equal(r, c[2]) {
t.Error("XOR failed")
}
}
}