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// $G $D/$F.go && $L $F.$A && ./$A.out

// Copyright 2011 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

// Test that dynamic interface checks treat byte=uint8

// and rune=int or rune=int32.

func main() {

        var x interface{}

        x = byte(1)

        switch x.(type) {

        case uint8:

                // ok

        default:

                println("byte != uint8")

        }

        x = uint8(2)

        switch x.(type) {

        case byte:

                // ok

        default:

                println("uint8 != byte")

        }

        rune32 := false

        x = rune(3)

        switch x.(type) {

        case int:

                // ok

        case int32:

                // must be new code

                rune32 = true

        default:

                println("rune != int and rune != int32")

        }

        if rune32 {

                x = int32(4)

        } else {

                x = int(5)

        }

        switch x.(type) {

        case rune:

                // ok

        default:

                println("int (or int32) != rune")

        }

}