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.

// 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)
}