// 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. 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 }