mirror of
https://github.com/golang/go
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35 lines
685 B
Go
35 lines
685 B
Go
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// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package main
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import (
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"./mysync"
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"log"
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"runtime"
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)
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func main() {
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var wg mysync.WaitGroup
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wg.Done()
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ci := runtime.CallersFrames(wg.Callers)
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frames := make([]runtime.Frame, 0, 4)
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for {
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frame, more := ci.Next()
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frames = append(frames, frame)
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if !more {
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break
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}
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}
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expecting := []string{
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"mysync.(*WaitGroup).Add",
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"mysync.(*WaitGroup).Done",
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}
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for i := 0; i < 2; i++ {
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if frames[i].Function != expecting[i] {
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log.Fatalf("frame %d: got %s, want %s", i, frames[i].Function, expecting[i])
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}
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}
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}
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