package faketls

import (
	"bytes"
	"encoding/hex"
	"testing"
)

func TestBuildTdesktopClientHello_shape(t *testing.T) {
	key, err := hex.DecodeString("5ba9cf5cf84698032e5300c864544dd0")
	if err != nil || len(key) != 16 {
		t.Fatalf("key: %v len %d", err, len(key))
	}
	domain, err := hex.DecodeString("632e6170692e73746570612e6f6e65")
	if err != nil {
		t.Fatal(err)
	}
	ch, err := BuildTdesktopClientHello(key, domain)
	if err != nil {
		t.Fatal(err)
	}
	if len(ch.Record) < 5 || len(ch.Record) > kClientHelloLimit {
		t.Fatalf("record len %d", len(ch.Record))
	}
	if !bytes.HasPrefix(ch.Record, []byte{0x16, 0x03, 0x01}) {
		t.Fatal("bad record header")
	}
	if len(ch.RandomField) != 32 {
		t.Fatalf("random/digest field len %d", len(ch.RandomField))
	}
	if len(ch.SessionID) != 32 {
		t.Fatalf("session id len %d", len(ch.SessionID))
	}
}