gotrack_test.go

/*
 *	Copyright 2022 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.
 *
 * Copyright 2014 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 http2

import (
	"fmt"
	"strings"
	"testing"
)

func TestGoroutineLock(t *testing.T) {
	g := newGoroutineLock()
	g.check()

	sawPanic := make(chan interface{})
	go func() {
		defer func() { sawPanic <- recover() }()
		g.check() // should panic
	}()
	e := <-sawPanic
	if e == nil {
		t.Fatal("did not see panic from check in other goroutine")
	}
	if !strings.Contains(fmt.Sprint(e), "wrong goroutine") {
		t.Errorf("expected on see panic about running on the wrong goroutine; got %v", e)
	}
}