1
0
mirror of https://github.com/golang/go synced 2024-11-24 19:00:13 -07:00
go/test/recover2.go
Emmanuel Odeke 53fd522c0d all: make copyright headers consistent with one space after period
Follows suit with https://go-review.googlesource.com/#/c/20111.

Generated by running
$ grep -R 'Go Authors.  All' * | cut -d":" -f1 | while read F;do perl -pi -e 's/Go
Authors.  All/Go Authors. All/g' $F;done

The code in cmd/internal/unvendor wasn't changed.

Fixes #15213

Change-Id: I4f235cee0a62ec435f9e8540a1ec08ae03b1a75f
Reviewed-on: https://go-review.googlesource.com/21819
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2016-05-02 13:43:18 +00:00

86 lines
1.2 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.
// Test of recover for run-time errors.
// TODO(rsc):
// null pointer accesses
package main
import "strings"
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.(error).Error(); 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")
var lo = 11
var hi = 9
println(x[lo:hi])
}
func test4() {
defer mustRecover("interface")
var x interface{} = 1
println(x.(float32))
}
type T struct {
a, b int
c []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() {
defer mustRecover("divide by zero")
var x, y int
println(x / y)
}