1 files changed, 64 insertions, 0 deletions
diff --git a/whisper/whisperv6/envelope_test.go b/whisper/whisperv6/envelope_test.go
new file mode 100644
index 000000000..410b250a3
--- /dev/null
+++ b/whisper/whisperv6/envelope_test.go
@@ -0,0 +1,64 @@
+// Copyright 2017 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+// Contains the tests associated with the Whisper protocol Envelope object.
+
+package whisperv6
+
+import (
+	mrand "math/rand"
+	"testing"
+
+	"github.com/ethereum/go-ethereum/crypto"
+)
+
+func TestEnvelopeOpenAcceptsOnlyOneKeyTypeInFilter(t *testing.T) {
+	symKey := make([]byte, aesKeyLength)
+	mrand.Read(symKey)
+
+	asymKey, err := crypto.GenerateKey()
+	if err != nil {
+		t.Fatalf("failed GenerateKey with seed %d: %s.", seed, err)
+	}
+
+	params := MessageParams{
+		PoW:      0.01,
+		WorkTime: 1,
+		TTL:      uint32(mrand.Intn(1024)),
+		Payload:  make([]byte, 50),
+		KeySym:   symKey,
+		Dst:      nil,
+	}
+
+	mrand.Read(params.Payload)
+
+	msg, err := NewSentMessage(&params)
+	if err != nil {
+		t.Fatalf("failed to create new message with seed %d: %s.", seed, err)
+	}
+
+	e, err := msg.Wrap(&params)
+	if err != nil {
+		t.Fatalf("Failed to Wrap the message in an envelope with seed %d: %s", seed, err)
+	}
+
+	f := Filter{KeySym: symKey, KeyAsym: asymKey}
+
+	decrypted := e.Open(&f)
+	if decrypted != nil {
+		t.Fatalf("Managed to decrypt a message with an invalid filter, seed %d", seed)
+	}
+}