mirror of
https://github.com/golang/go
synced 2024-09-25 11:20:13 -06:00
8080384a68
X ,s;^// \$G (\$D/)?\$F\.go *$;// compile;g X ,s;^// \$G (\$D/)?\$F\.go && \$L \$F\.\$A *$;// build;g X ,s;^// \$G (\$D/)?\$F\.go && \$L \$F\.\$A && \./\$A\.out *$;// run;g X ,s;^// errchk \$G( -e)? (\$D/)?\$F\.go *$;// errorcheck;g R=golang-dev, bradfitz CC=golang-dev https://golang.org/cl/5656083
94 lines
1.6 KiB
Go
94 lines
1.6 KiB
Go
// run
|
|
|
|
// Copyright 2010 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.
|
|
|
|
// http://code.google.com/p/go/issues/detail?id=589
|
|
|
|
package main
|
|
|
|
import "unsafe"
|
|
|
|
var bug = false
|
|
|
|
var minus1 = -1
|
|
var big int64 = 10 | 1<<32
|
|
|
|
var g1 []int
|
|
|
|
func shouldfail(f func(), desc string) {
|
|
defer func() { recover() }()
|
|
f()
|
|
if !bug {
|
|
println("BUG")
|
|
bug = true
|
|
}
|
|
println("didn't crash: ", desc)
|
|
}
|
|
|
|
func badlen() {
|
|
g1 = make([]int, minus1)
|
|
}
|
|
|
|
func biglen() {
|
|
g1 = make([]int, big)
|
|
}
|
|
|
|
func badcap() {
|
|
g1 = make([]int, 10, minus1)
|
|
}
|
|
|
|
func badcap1() {
|
|
g1 = make([]int, 10, 5)
|
|
}
|
|
|
|
func bigcap() {
|
|
g1 = make([]int, 10, big)
|
|
}
|
|
|
|
var g3 map[int]int
|
|
func badmapcap() {
|
|
g3 = make(map[int]int, minus1)
|
|
}
|
|
|
|
func bigmapcap() {
|
|
g3 = make(map[int]int, big)
|
|
}
|
|
|
|
var g4 chan int
|
|
func badchancap() {
|
|
g4 = make(chan int, minus1)
|
|
}
|
|
|
|
func bigchancap() {
|
|
g4 = make(chan int, big)
|
|
}
|
|
|
|
const addrBits = unsafe.Sizeof((*byte)(nil))
|
|
|
|
var g5 chan [1<<15]byte
|
|
func overflowchan() {
|
|
if addrBits == 32 {
|
|
g5 = make(chan [1<<15]byte, 1<<20)
|
|
} else {
|
|
// cannot overflow on 64-bit, because
|
|
// int is 32 bits and max chan value size
|
|
// in the implementation is 64 kB.
|
|
panic(1)
|
|
}
|
|
}
|
|
|
|
func main() {
|
|
shouldfail(badlen, "badlen")
|
|
shouldfail(biglen, "biglen")
|
|
shouldfail(badcap, "badcap")
|
|
shouldfail(badcap1, "badcap1")
|
|
shouldfail(bigcap, "bigcap")
|
|
shouldfail(badmapcap, "badmapcap")
|
|
shouldfail(bigmapcap, "bigmapcap")
|
|
shouldfail(badchancap, "badchancap")
|
|
shouldfail(bigchancap, "bigchancap")
|
|
shouldfail(overflowchan, "overflowchan")
|
|
}
|