mirror of
https://github.com/golang/go
synced 2024-11-25 12:17:56 -07:00
134 lines
2.4 KiB
Go
134 lines
2.4 KiB
Go
// $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 []byte
|
|
var by []byte;
|
|
var fx []float
|
|
var fy []float;
|
|
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[0:hb]; tstb();
|
|
by = bx[0:10]; tstb();
|
|
by = bx[0:]; 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();
|
|
|
|
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 (float)
|
|
lb = 0; hb = 10;
|
|
fy = fx[lb:hb]; tstf();
|
|
fy = fx[lb:10]; tstf();
|
|
fy = fx[lb:]; tstf();
|
|
fy = fx[0:hb]; tstf();
|
|
fy = fx[0:10]; tstf();
|
|
fy = fx[0:]; 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[0:hb]; tstf();
|
|
fy = fx[0:8]; 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 {
|
|
panicln("t=", t, "lb=", lb, "hb=", hb,
|
|
"len=", len(by), "hb-lb=", hb-lb);
|
|
}
|
|
if cap(by) != len(bx)-lb {
|
|
panicln("t=", t, "lb=", lb, "hb=", hb,
|
|
"cap=", cap(by), "len(bx)-lb=", len(bx)-lb);
|
|
}
|
|
for i:=lb; i<hb; i++ {
|
|
if bx[i] != by[i-lb] {
|
|
panicln("t=", t, "lb=", lb, "hb=", hb,
|
|
"bx[", i, "]=", bx[i],
|
|
"by[", i-lb, "]=", by[i-lb]);
|
|
}
|
|
}
|
|
by = nil;
|
|
}
|
|
|
|
func
|
|
tstf() {
|
|
t++;
|
|
if len(fy) != hb-lb {
|
|
panicln("t=", t, "lb=", lb, "hb=", hb,
|
|
"len=", len(fy), "hb-lb=", hb-lb);
|
|
}
|
|
if cap(fy) != len(fx)-lb {
|
|
panicln("t=", t, "lb=", lb, "hb=", hb,
|
|
"cap=", cap(fy), "len(fx)-lb=", len(fx)-lb);
|
|
}
|
|
for i:=lb; i<hb; i++ {
|
|
if fx[i] != fy[i-lb] {
|
|
panicln("t=", t, "lb=", lb, "hb=", hb,
|
|
"fx[", i, "]=", fx[i],
|
|
"fy[", i-lb, "]=", fy[i-lb]);
|
|
}
|
|
}
|
|
fy = nil;
|
|
}
|
|
|
|
func
|
|
init() {
|
|
bx = make([]byte, 10);
|
|
for i:=0; i<len(bx); i++ {
|
|
bx[i] = byte(i+20);
|
|
}
|
|
by = nil;
|
|
|
|
fx = make([]float, 10);
|
|
for i:=0; i<len(fx); i++ {
|
|
fx[i] = float(i+20);
|
|
}
|
|
fy = nil;
|
|
}
|