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// 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) {
oldDebug := DebugGoroutines
DebugGoroutines = true
defer func() { DebugGoroutines = oldDebug }()
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)
}
}
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