Integrate kcp with other components

transport/internet/kcp/crypt_test.go

@@ -0,0 +1,22 @@
+package kcp_test
+
+import (
+	"testing"
+
+	"github.com/v2ray/v2ray-core/common/alloc"
+	"github.com/v2ray/v2ray-core/testing/assert"
+	. "github.com/v2ray/v2ray-core/transport/internet/kcp"
+)
+
+func TestSimpleAuthenticator(t *testing.T) {
+	assert := assert.On(t)
+
+	buffer := alloc.NewBuffer().Clear()
+	buffer.AppendBytes('a', 'b', 'c', 'd', 'e', 'f', 'g')
+
+	auth := NewSimpleAuthenticator()
+	auth.Seal(buffer)
+
+	assert.Bool(auth.Open(buffer)).IsTrue()
+	assert.String(buffer.String()).Equals("abcdefg")
+}