// Copyright 2025 CloudWeGo Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package ttheader

import (
	"bytes"
	"context"
	"strings"
	"testing"

	"github.com/cloudwego/gopkg/bufiox"
)

func TestDecodeNonTTHeader(t *testing.T) {
	reader := bytes.NewReader([]byte{
		0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
		0x07, 0x08, 0x09, 0x10, 0x11, 0x12, 0x13,
	})
	defReader := bufiox.NewDefaultReader(reader)
	_, err := Decode(context.Background(), defReader)
	if err == nil {
		t.Fatal("err should be non-nil")
	}
	expectStr := "not TTHeader protocol"
	if !strings.Contains(err.Error(), expectStr) {
		t.Fatalf("expect %s but got %s", expectStr, err.Error())
	}
}
