th5/handshake_messages_test.go
2009-11-03 17:25:13 -08:00

96 lines
2.2 KiB
Go

// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package tls
import (
"rand";
"reflect";
"testing";
"testing/quick";
)
var tests = []interface{}{
&clientHelloMsg{},
&clientKeyExchangeMsg{},
&finishedMsg{},
}
type testMessage interface {
marshal() []byte;
unmarshal([]byte) bool;
}
func TestMarshalUnmarshal(t *testing.T) {
rand := rand.New(rand.NewSource(0));
for i, iface := range tests {
ty := reflect.NewValue(iface).Type();
for j := 0; j < 100; j++ {
v, ok := quick.Value(ty, rand);
if !ok {
t.Errorf("#%d: failed to create value", i);
break;
}
m1 := v.Interface().(testMessage);
marshaled := m1.marshal();
m2 := iface.(testMessage);
if !m2.unmarshal(marshaled) {
t.Errorf("#%d failed to unmarshal %#v", i, m1);
break;
}
m2.marshal(); // to fill any marshal cache in the message
if !reflect.DeepEqual(m1, m2) {
t.Errorf("#%d got:%#v want:%#v", i, m1, m2);
break;
}
// Now check that all prefixes are invalid.
for j := 0; j < len(marshaled); j++ {
if m2.unmarshal(marshaled[0:j]) {
t.Errorf("#%d unmarshaled a prefix of length %d of %#v", i, j, m1);
break;
}
}
}
}
}
func randomBytes(n int, rand *rand.Rand) []byte {
r := make([]byte, n);
for i := 0; i < n; i++ {
r[i] = byte(rand.Int31());
}
return r;
}
func (*clientHelloMsg) Generate(rand *rand.Rand, size int) reflect.Value {
m := &clientHelloMsg{};
m.major = uint8(rand.Intn(256));
m.minor = uint8(rand.Intn(256));
m.random = randomBytes(32, rand);
m.sessionId = randomBytes(rand.Intn(32), rand);
m.cipherSuites = make([]uint16, rand.Intn(63) + 1);
for i := 0; i < len(m.cipherSuites); i++ {
m.cipherSuites[i] = uint16(rand.Int31());
}
m.compressionMethods = randomBytes(rand.Intn(63) + 1, rand);
return reflect.NewValue(m);
}
func (*clientKeyExchangeMsg) Generate(rand *rand.Rand, size int) reflect.Value {
m := &clientKeyExchangeMsg{};
m.ciphertext = randomBytes(rand.Intn(1000), rand);
return reflect.NewValue(m);
}
func (*finishedMsg) Generate(rand *rand.Rand, size int) reflect.Value {
m := &finishedMsg{};
m.verifyData = randomBytes(12, rand);
return reflect.NewValue(m);
}