mirror of
https://github.com/golang/go
synced 2024-11-20 10:54:49 -07:00
88ce9ce40c
1. Fix bug in GOMAXPROCS when trying to cut number of procs Race could happen on any system but was manifesting only on Xen hosted Linux. 2. Fix recover on ARM, where FP != caller SP. R=r CC=golang-dev https://golang.org/cl/880043
92 lines
1.3 KiB
Go
92 lines
1.3 KiB
Go
// $G $D/$F.go && $L $F.$A && ./$A.out
|
|
|
|
// 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.
|
|
|
|
// Test of recover for run-time errors.
|
|
|
|
// TODO(rsc):
|
|
// integer divide by zero?
|
|
// null pointer accesses
|
|
|
|
package main
|
|
|
|
import (
|
|
"os"
|
|
"strings"
|
|
"syscall"
|
|
)
|
|
|
|
var x = make([]byte, 10)
|
|
|
|
func main() {
|
|
test1()
|
|
test2()
|
|
test3()
|
|
test4()
|
|
test5()
|
|
test6()
|
|
test7()
|
|
}
|
|
|
|
func mustRecover(s string) {
|
|
v := recover()
|
|
if v == nil {
|
|
panic("expected panic")
|
|
}
|
|
if e := v.(os.Error).String(); strings.Index(e, s) < 0 {
|
|
panic("want: " + s + "; have: " + e)
|
|
}
|
|
}
|
|
|
|
func test1() {
|
|
defer mustRecover("index")
|
|
println(x[123])
|
|
}
|
|
|
|
func test2() {
|
|
defer mustRecover("slice")
|
|
println(x[5:15])
|
|
}
|
|
|
|
func test3() {
|
|
defer mustRecover("slice")
|
|
println(x[11:9])
|
|
}
|
|
|
|
func test4() {
|
|
defer mustRecover("interface")
|
|
var x interface{} = 1
|
|
println(x.(float))
|
|
}
|
|
|
|
type T struct {
|
|
a, b int
|
|
}
|
|
|
|
func test5() {
|
|
defer mustRecover("uncomparable")
|
|
var x T
|
|
var z interface{} = x
|
|
println(z != z)
|
|
}
|
|
|
|
func test6() {
|
|
defer mustRecover("unhashable")
|
|
var x T
|
|
var z interface{} = x
|
|
m := make(map[interface{}]int)
|
|
m[z] = 1
|
|
}
|
|
|
|
func test7() {
|
|
if syscall.ARCH == "arm" {
|
|
// ARM doesn't have floating point yet
|
|
return
|
|
}
|
|
defer mustRecover("complex divide by zero")
|
|
var x, y complex
|
|
println(x / y)
|
|
}
|