1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
// Copyright 2017 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 main
import (
"log"
"runtime"
"./mysync"
)
func main() {
var wg mysync.WaitGroup
wg.Done()
ci := runtime.CallersFrames(wg.Callers)
frames := make([]runtime.Frame, 0, 4)
for {
frame, more := ci.Next()
frames = append(frames, frame)
if !more {
break
}
}
expecting := []string{
"test/mysync.(*WaitGroup).Add",
"test/mysync.(*WaitGroup).Done",
}
for i := 0; i < 2; i++ {
if frames[i].Function != expecting[i] {
log.Fatalf("frame %d: got %s, want %s", i, frames[i].Function, expecting[i])
}
}
}
|
