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72 lines
1.1 KiB
72 lines
1.1 KiB
4 months ago
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// run
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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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"os"
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"runtime"
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)
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func foo(x int) int {
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return x + 1
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}
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func test() {
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defer func() {
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if r := recover(); r != nil {
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pcs := make([]uintptr, 10)
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n := runtime.Callers(0, pcs)
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pcs = pcs[:n]
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frames := runtime.CallersFrames(pcs)
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for {
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f, more := frames.Next()
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if f.Function == "main.foo" {
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println("did not expect to see call to foo in stack trace")
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os.Exit(1)
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}
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if !more {
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break
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}
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}
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}
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}()
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var v []int
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foo(v[0])
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}
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func bar(x ...int) int {
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return x[0] + 1
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}
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func testVariadic() {
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defer func() {
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if r := recover(); r != nil {
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pcs := make([]uintptr, 10)
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n := runtime.Callers(0, pcs)
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pcs = pcs[:n]
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frames := runtime.CallersFrames(pcs)
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for {
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f, more := frames.Next()
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if f.Function == "main.bar" {
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println("did not expect to see call to bar in stack trace")
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os.Exit(1)
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}
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if !more {
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break
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}
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}
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}
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}()
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var v []int
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bar(v[0])
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}
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func main() {
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test()
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testVariadic()
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}
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