mirror of
https://github.com/golang/go
synced 2024-11-13 19:40:22 -07:00
f9531448b8
Because the hint parameter is supposed to be treated purely as a hint, if it doesn't meet the requirements we disregard it and continue as if there was no hint at all. Fixes #19926 Change-Id: I86e7f99472fad6b99ba4e2fd33e4a9e55d55115e Reviewed-on: https://go-review.googlesource.com/40854 Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Reviewed-by: Keith Randall <khr@golang.org>
76 lines
1.2 KiB
Go
76 lines
1.2 KiB
Go
// run
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// Copyright 2010 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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// https://golang.org/issue/589
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package main
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var bug = false
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var minus1 = -1
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var five = 5
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var big int64 = 10 | 1<<32
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type block [1<<19]byte
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var g1 []block
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func shouldfail(f func(), desc string) {
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defer func() { recover() }()
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f()
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if !bug {
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println("BUG")
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bug = true
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}
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println("didn't crash: ", desc)
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}
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func badlen() {
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g1 = make([]block, minus1)
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}
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func biglen() {
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g1 = make([]block, big)
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}
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func badcap() {
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g1 = make([]block, 10, minus1)
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}
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func badcap1() {
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g1 = make([]block, 10, five)
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}
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func bigcap() {
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g1 = make([]block, 10, big)
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}
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type cblock [1<<16-1]byte
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var g4 chan cblock
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func badchancap() {
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g4 = make(chan cblock, minus1)
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}
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func bigchancap() {
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g4 = make(chan cblock, big)
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}
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func overflowchan() {
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g4 = make(chan cblock, 1<<30)
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}
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func main() {
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shouldfail(badlen, "badlen")
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shouldfail(biglen, "biglen")
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shouldfail(badcap, "badcap")
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shouldfail(badcap1, "badcap1")
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shouldfail(bigcap, "bigcap")
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shouldfail(badchancap, "badchancap")
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shouldfail(bigchancap, "bigchancap")
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shouldfail(overflowchan, "overflowchan")
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}
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