Subversion Repositories openrisc

// $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.

package main

import (
        "runtime"
        "strings"
)

var didbug bool

func bug() {
        if didbug {
                return
        }
        println("BUG")
        didbug = true
}

func check(name string, f func(), err string) {
        defer func() {
                v := recover()
                if v == nil {
                        bug()
                        println(name, "did not panic")
                        return
                }
                runt, ok := v.(runtime.Error)
                if !ok {
                        bug()
                        println(name, "panicked but not with runtime.Error")
                        return
                }
                s := runt.Error()
                if strings.Index(s, err) < 0 {
                        bug()
                        println(name, "panicked with", s, "not", err)
                        return
                }
        }()

        f()
}

func main() {
        var x int
        var x64 int64
        var p *[10]int
        var q *[10000]int
        var i int

        check("int-div-zero", func() { println(1 / x) }, "integer divide by zero")
        check("int64-div-zero", func() { println(1 / x64) }, "integer divide by zero")

        check("nil-deref", func() { println(p[0]) }, "nil pointer dereference")
        check("nil-deref-1", func() { println(p[1]) }, "nil pointer dereference")
        check("nil-deref-big", func() { println(q[5000]) }, "nil pointer dereference")

        i = 99999
        var sl []int
        check("array-bounds", func() { println(p[i]) }, "index out of range")
        check("slice-bounds", func() { println(sl[i]) }, "index out of range")

        var inter interface{}
        inter = 1
        check("type-concrete", func() { println(inter.(string)) }, "int, not string")
        check("type-interface", func() { println(inter.(m)) }, "missing method m")
}

type m interface {
        m()
}