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Diffstat (limited to '')
| -rw-r--r-- | test/ken/slicearray.go | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/test/ken/slicearray.go b/test/ken/slicearray.go new file mode 100644 index 0000000..6cf676c --- /dev/null +++ b/test/ken/slicearray.go @@ -0,0 +1,212 @@ +// 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 basic operations of slices and arrays. + +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 +} |