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

// Copyright 2009 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

var bx [10]byte
var by []byte
var fx [10]float64
var fy []float64
var lb, hb int
var t int

func main() {
        lb = 0
        hb = 10
        by = bx[0:]
        tstb()

        lb = 0
        hb = 10
        fy = fx[0:]
        tstf()

        // width 1 (byte)
        lb = 0
        hb = 10
        by = bx[lb:hb]
        tstb()
        by = bx[lb:10]
        tstb()
        by = bx[lb:]
        tstb()
        by = bx[:hb]
        tstb()
        by = bx[0:hb]
        tstb()
        by = bx[0:10]
        tstb()
        by = bx[0:]
        tstb()
        by = bx[:10]
        tstb()
        by = bx[:]
        tstb()

        lb = 2
        hb = 10
        by = bx[lb:hb]
        tstb()
        by = bx[lb:10]
        tstb()
        by = bx[lb:]
        tstb()
        by = bx[2:hb]
        tstb()
        by = bx[2:10]
        tstb()
        by = bx[2:]
        tstb()

        lb = 0
        hb = 8
        by = bx[lb:hb]
        tstb()
        by = bx[lb:8]
        tstb()
        by = bx[0:hb]
        tstb()
        by = bx[0:8]
        tstb()
        by = bx[:8]
        tstb()
        by = bx[:hb]
        tstb()

        lb = 2
        hb = 8
        by = bx[lb:hb]
        tstb()
        by = bx[lb:8]
        tstb()
        by = bx[2:hb]
        tstb()
        by = bx[2:8]
        tstb()

        // width 4 (float64)
        lb = 0
        hb = 10
        fy = fx[lb:hb]
        tstf()
        fy = fx[lb:10]
        tstf()
        fy = fx[lb:]
        tstf()
        fy = fx[:hb]
        tstf()
        fy = fx[0:hb]
        tstf()
        fy = fx[0:10]
        tstf()
        fy = fx[0:]
        tstf()
        fy = fx[:10]
        tstf()
        fy = fx[:]
        tstf()

        lb = 2
        hb = 10
        fy = fx[lb:hb]
        tstf()
        fy = fx[lb:10]
        tstf()
        fy = fx[lb:]
        tstf()
        fy = fx[2:hb]
        tstf()
        fy = fx[2:10]
        tstf()
        fy = fx[2:]
        tstf()

        lb = 0
        hb = 8
        fy = fx[lb:hb]
        tstf()
        fy = fx[lb:8]
        tstf()
        fy = fx[:hb]
        tstf()
        fy = fx[0:hb]
        tstf()
        fy = fx[0:8]
        tstf()
        fy = fx[:8]
        tstf()

        lb = 2
        hb = 8
        fy = fx[lb:hb]
        tstf()
        fy = fx[lb:8]
        tstf()
        fy = fx[2:hb]
        tstf()
        fy = fx[2:8]
        tstf()
}

func tstb() {
        t++
        if len(by) != hb-lb {
                println("t=", t, "lb=", lb, "hb=", hb,
                        "len=", len(by), "hb-lb=", hb-lb)
                panic("fail")
        }
        if cap(by) != len(bx)-lb {
                println("t=", t, "lb=", lb, "hb=", hb,
                        "cap=", cap(by), "len(bx)-lb=", len(bx)-lb)
                panic("fail")
        }
        for i := lb; i < hb; i++ {
                if bx[i] != by[i-lb] {
                        println("t=", t, "lb=", lb, "hb=", hb,
                                "bx[", i, "]=", bx[i],
                                "by[", i-lb, "]=", by[i-lb])
                        panic("fail")
                }
        }
        by = nil
}

func tstf() {
        t++
        if len(fy) != hb-lb {
                println("t=", t, "lb=", lb, "hb=", hb,
                        "len=", len(fy), "hb-lb=", hb-lb)
                panic("fail")
        }
        if cap(fy) != len(fx)-lb {
                println("t=", t, "lb=", lb, "hb=", hb,
                        "cap=", cap(fy), "len(fx)-lb=", len(fx)-lb)
                panic("fail")
        }
        for i := lb; i < hb; i++ {
                if fx[i] != fy[i-lb] {
                        println("t=", t, "lb=", lb, "hb=", hb,
                                "fx[", i, "]=", fx[i],
                                "fy[", i-lb, "]=", fy[i-lb])
                        panic("fail")
                }
        }
        fy = nil
}

func init() {
        for i := 0; i < len(bx); i++ {
                bx[i] = byte(i + 20)
        }
        by = nil

        for i := 0; i < len(fx); i++ {
                fx[i] = float64(i + 20)
        }
        fy = nil
}