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vendor/golang.org/x/net/http2/gotrack_test.go

@@ -0,0 +1,33 @@
+// 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)
+	}
+}