68 lines
1.1 KiB
Go
68 lines
1.1 KiB
Go
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// Copyright 2015 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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"fmt"
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"runtime"
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)
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func init() {
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register("Crash", Crash)
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register("DoublePanic", DoublePanic)
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}
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var NilPointer *string
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func test(name string) {
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defer func() {
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if x := recover(); x != nil {
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fmt.Printf(" recovered")
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}
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fmt.Printf(" done\n")
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}()
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fmt.Printf("%s:", name)
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*NilPointer = name
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fmt.Print("SHOULD NOT BE HERE")
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}
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func testInNewThread(name string) {
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c := make(chan bool)
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go func() {
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runtime.LockOSThread()
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test(name)
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c <- true
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}()
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<-c
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}
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func Crash() {
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runtime.LockOSThread()
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test("main")
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testInNewThread("new-thread")
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testInNewThread("second-new-thread")
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test("main-again")
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}
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type P string
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func (p P) String() string {
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// Try to free the "YYY" string header when the "XXX"
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// panic is stringified.
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runtime.GC()
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runtime.GC()
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runtime.GC()
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return string(p)
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}
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// Test that panic message is not clobbered.
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// See issue 30150.
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func DoublePanic() {
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defer func() {
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panic(P("YYY"))
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}()
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panic(P("XXX"))
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}
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