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Editing: sliceslice.go

// run

// 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.

// Test slicing and re-slicing.

package main

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

func main() {

// 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() {
	bx = make([]byte, 10)
	for i := 0; i < len(bx); i++ {
		bx[i] = byte(i + 20)
	}
	by = nil

fx = make([]float64, 10)
	for i := 0; i < len(fx); i++ {
		fx[i] = float64(i + 20)
	}
	fy = nil
}

BATAL