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Xray-core/common/buf/readv_test.go

73 lines
1.3 KiB

// +build !wasm
package buf_test
import (
"crypto/rand"
"net"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/xtls/xray-core/common"
. "github.com/xtls/xray-core/common/buf"
"github.com/xtls/xray-core/testing/servers/tcp"
"golang.org/x/sync/errgroup"
)
func TestReadvReader(t *testing.T) {
tcpServer := &tcp.Server{
MsgProcessor: func(b []byte) []byte {
return b
},
}
dest, err := tcpServer.Start()
common.Must(err)
defer tcpServer.Close()
conn, err := net.Dial("tcp", dest.NetAddr())
common.Must(err)
defer conn.Close()
const size = 8192
data := make([]byte, 8192)
common.Must2(rand.Read(data))
var errg errgroup.Group
errg.Go(func() error {
writer := NewWriter(conn)
mb := MergeBytes(nil, data)
return writer.WriteMultiBuffer(mb)
})
defer func() {
if err := errg.Wait(); err != nil {
t.Error(err)
}
}()
rawConn, err := conn.(*net.TCPConn).SyscallConn()
common.Must(err)
reader := NewReadVReader(conn, rawConn)
var rmb MultiBuffer
for {
mb, err := reader.ReadMultiBuffer()
if err != nil {
t.Fatal("unexpected error: ", err)
}
rmb, _ = MergeMulti(rmb, mb)
if rmb.Len() == size {
break
}
}
rdata := make([]byte, size)
SplitBytes(rmb, rdata)
if r := cmp.Diff(data, rdata); r != "" {
t.Fatal(r)
}
}