torrent/torrent_test.go

61 lines
1.4 KiB
Go

package torrent
import (
"sync"
"testing"
"bitbucket.org/anacrolix/go.torrent/peer_protocol"
)
func r(i, b, l peer_protocol.Integer) request {
return request{i, chunkSpec{b, l}}
}
// Check the given Request is correct for various torrent offsets.
func TestTorrentRequest(t *testing.T) {
const s = 472183431 // Length of torrent.
for _, _case := range []struct {
off int64 // An offset into the torrent.
req request // The expected Request. The zero value means !ok.
}{
// Invalid offset.
{-1, request{}},
{0, r(0, 0, 16384)},
// One before the end of a piece.
{1<<18 - 1, r(0, 1<<18-16384, 16384)},
// Offset beyond torrent length.
{472 * 1 << 20, request{}},
// One before the end of the torrent. Complicates the chunk length.
{s - 1, r((s-1)/(1<<18), (s-1)%(1<<18)/(16384)*(16384), 12935)},
{1, r(0, 0, 16384)},
// One before end of chunk.
{16383, r(0, 0, 16384)},
// Second chunk.
{16384, r(0, 16384, 16384)},
} {
req, ok := torrentOffsetRequest(472183431, 1<<18, 16384, _case.off)
if (_case.req == request{}) == ok {
t.Fatalf("expected %v, got %v", _case.req, req)
}
if req != _case.req {
t.Fatalf("expected %v, got %v", _case.req, req)
}
}
}
func TestTorrentDoubleClose(t *testing.T) {
tt, err := newTorrent(InfoHash{}, nil)
if err != nil {
t.Fatal(err)
}
wg := sync.WaitGroup{}
for i := 0; i < 2; i++ {
wg.Add(1)
go func() {
tt.Close()
wg.Done()
}()
}
wg.Wait()
}