summaryrefslogtreecommitdiff
path: root/test/fixedbugs/issue19799.go
blob: cb675d7b0d1ee5e4a3e2b799d9fbda4326429119 (plain)
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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
// run

// 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 (
	"os"
	"runtime"
)

func foo(x int) int {
	return x + 1
}

func test() {
	defer func() {
		if r := recover(); r != nil {
			pcs := make([]uintptr, 10)
			n := runtime.Callers(0, pcs)
			pcs = pcs[:n]
			frames := runtime.CallersFrames(pcs)
			for {
				f, more := frames.Next()
				if f.Function == "main.foo" {
					println("did not expect to see call to foo in stack trace")
					os.Exit(1)
				}
				if !more {
					break
				}
			}
		}
	}()
	var v []int
	foo(v[0])
}

func bar(x ...int) int {
	return x[0] + 1
}

func testVariadic() {
	defer func() {
		if r := recover(); r != nil {
			pcs := make([]uintptr, 10)
			n := runtime.Callers(0, pcs)
			pcs = pcs[:n]
			frames := runtime.CallersFrames(pcs)
			for {
				f, more := frames.Next()
				if f.Function == "main.bar" {
					println("did not expect to see call to bar in stack trace")
					os.Exit(1)
				}
				if !more {
					break
				}
			}
		}
	}()
	var v []int
	bar(v[0])
}

func main() {
	test()
	testVariadic()
}