Source file src/net/http/internal/http2/gotrack_test.go

     1  // Copyright 2014 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package http2
     6  
     7  import (
     8  	"fmt"
     9  	"strings"
    10  	"testing"
    11  )
    12  
    13  func TestGoroutineLock(t *testing.T) {
    14  	g := newGoroutineLock()
    15  	g.check()
    16  
    17  	sawPanic := make(chan interface{})
    18  	go func() {
    19  		defer func() { sawPanic <- recover() }()
    20  		g.check() // should panic
    21  	}()
    22  	e := <-sawPanic
    23  	if e == nil {
    24  		t.Fatal("did not see panic from check in other goroutine")
    25  	}
    26  	if !strings.Contains(fmt.Sprint(e), "wrong goroutine") {
    27  		t.Errorf("expected on see panic about running on the wrong goroutine; got %v", e)
    28  	}
    29  }
    30  

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