mirror of
https://github.com/golang/go
synced 2024-11-23 07:50:05 -07:00
052c942e20
Previously merely printing an error would cause the golden file comparison (in 'bash run') to fail, but that is no longer the case with the new run.go driver. R=iant CC=golang-dev https://golang.org/cl/7310087
352 lines
6.6 KiB
Go
352 lines
6.6 KiB
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.
|
|
|
|
// Semi-exhaustive test for the copy predeclared function.
|
|
|
|
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
)
|
|
|
|
const N = 40
|
|
|
|
var input8 = make([]uint8, N)
|
|
var output8 = make([]uint8, N)
|
|
var input16 = make([]uint16, N)
|
|
var output16 = make([]uint16, N)
|
|
var input32 = make([]uint32, N)
|
|
var output32 = make([]uint32, N)
|
|
var input64 = make([]uint64, N)
|
|
var output64 = make([]uint64, N)
|
|
var inputS string
|
|
var outputS = make([]uint8, N)
|
|
|
|
type my8 []uint8
|
|
type my16 []uint16
|
|
type my32 []uint32
|
|
type my32b []uint32
|
|
type my64 []uint64
|
|
type myS string
|
|
|
|
func u8(i int) uint8 {
|
|
i = 'a' + i%26
|
|
return uint8(i)
|
|
}
|
|
|
|
func u16(ii int) uint16 {
|
|
var i = uint16(ii)
|
|
i = 'a' + i%26
|
|
i |= i << 8
|
|
return i
|
|
}
|
|
|
|
func u32(ii int) uint32 {
|
|
var i = uint32(ii)
|
|
i = 'a' + i%26
|
|
i |= i << 8
|
|
i |= i << 16
|
|
return i
|
|
}
|
|
|
|
func u64(ii int) uint64 {
|
|
var i = uint64(ii)
|
|
i = 'a' + i%26
|
|
i |= i << 8
|
|
i |= i << 16
|
|
i |= i << 32
|
|
return i
|
|
}
|
|
|
|
func reset() {
|
|
// swap in and out to exercise copy-up and copy-down
|
|
input8, output8 = output8, input8
|
|
input16, output16 = output16, input16
|
|
input32, output32 = output32, input32
|
|
input64, output64 = output64, input64
|
|
in := 0
|
|
out := 13
|
|
for i := range input8 {
|
|
input8[i] = u8(in)
|
|
output8[i] = u8(out)
|
|
outputS[i] = u8(out)
|
|
input16[i] = u16(in)
|
|
output16[i] = u16(out)
|
|
input32[i] = u32(in)
|
|
output32[i] = u32(out)
|
|
input64[i] = u64(in)
|
|
output64[i] = u64(out)
|
|
in++
|
|
out++
|
|
}
|
|
inputS = string(input8)
|
|
}
|
|
|
|
func clamp(n int) int {
|
|
if n > N {
|
|
return N
|
|
}
|
|
return n
|
|
}
|
|
|
|
func ncopied(length, in, out int) int {
|
|
n := length
|
|
if in+n > N {
|
|
n = N - in
|
|
}
|
|
if out+n > N {
|
|
n = N - out
|
|
}
|
|
return n
|
|
}
|
|
|
|
func doAllSlices(length, in, out int) {
|
|
reset()
|
|
n := copy(my8(output8[out:clamp(out+length)]), input8[in:clamp(in+length)])
|
|
verify8(length, in, out, n)
|
|
n = copy(my8(outputS[out:clamp(out+length)]), myS(inputS[in:clamp(in+length)]))
|
|
verifyS(length, in, out, n)
|
|
n = copy(my16(output16[out:clamp(out+length)]), input16[in:clamp(in+length)])
|
|
verify16(length, in, out, n)
|
|
n = copy(my32(output32[out:clamp(out+length)]), my32b(input32[in:clamp(in+length)]))
|
|
verify32(length, in, out, n)
|
|
n = copy(my64(output64[out:clamp(out+length)]), input64[in:clamp(in+length)])
|
|
verify64(length, in, out, n)
|
|
}
|
|
|
|
func bad8(state string, i, length, in, out int) {
|
|
fmt.Printf("%s bad(%d %d %d): %c not %c:\n\t%s\n\t%s\n",
|
|
state,
|
|
length, in, out,
|
|
output8[i],
|
|
uint8(i+13),
|
|
input8, output8)
|
|
os.Exit(1)
|
|
}
|
|
|
|
func verify8(length, in, out, m int) {
|
|
n := ncopied(length, in, out)
|
|
if m != n {
|
|
fmt.Printf("count bad(%d %d %d): %d not %d\n", length, in, out, m, n)
|
|
os.Exit(1)
|
|
return
|
|
}
|
|
// before
|
|
var i int
|
|
for i = 0; i < out; i++ {
|
|
if output8[i] != u8(i+13) {
|
|
bad8("before8", i, length, in, out)
|
|
return
|
|
}
|
|
}
|
|
// copied part
|
|
for ; i < out+n; i++ {
|
|
if output8[i] != u8(i+in-out) {
|
|
bad8("copied8", i, length, in, out)
|
|
return
|
|
}
|
|
}
|
|
// after
|
|
for ; i < len(output8); i++ {
|
|
if output8[i] != u8(i+13) {
|
|
bad8("after8", i, length, in, out)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func badS(state string, i, length, in, out int) {
|
|
fmt.Printf("%s bad(%d %d %d): %c not %c:\n\t%s\n\t%s\n",
|
|
state,
|
|
length, in, out,
|
|
outputS[i],
|
|
uint8(i+13),
|
|
inputS, outputS)
|
|
os.Exit(1)
|
|
}
|
|
|
|
func verifyS(length, in, out, m int) {
|
|
n := ncopied(length, in, out)
|
|
if m != n {
|
|
fmt.Printf("count bad(%d %d %d): %d not %d\n", length, in, out, m, n)
|
|
os.Exit(1)
|
|
return
|
|
}
|
|
// before
|
|
var i int
|
|
for i = 0; i < out; i++ {
|
|
if outputS[i] != u8(i+13) {
|
|
badS("beforeS", i, length, in, out)
|
|
return
|
|
}
|
|
}
|
|
// copied part
|
|
for ; i < out+n; i++ {
|
|
if outputS[i] != u8(i+in-out) {
|
|
badS("copiedS", i, length, in, out)
|
|
return
|
|
}
|
|
}
|
|
// after
|
|
for ; i < len(outputS); i++ {
|
|
if outputS[i] != u8(i+13) {
|
|
badS("afterS", i, length, in, out)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func bad16(state string, i, length, in, out int) {
|
|
fmt.Printf("%s bad(%d %d %d): %x not %x:\n\t%v\n\t%v\n",
|
|
state,
|
|
length, in, out,
|
|
output16[i],
|
|
uint16(i+13),
|
|
input16, output16)
|
|
os.Exit(1)
|
|
}
|
|
|
|
func verify16(length, in, out, m int) {
|
|
n := ncopied(length, in, out)
|
|
if m != n {
|
|
fmt.Printf("count bad(%d %d %d): %d not %d\n", length, in, out, m, n)
|
|
os.Exit(1)
|
|
return
|
|
}
|
|
// before
|
|
var i int
|
|
for i = 0; i < out; i++ {
|
|
if output16[i] != u16(i+13) {
|
|
bad16("before16", i, length, in, out)
|
|
return
|
|
}
|
|
}
|
|
// copied part
|
|
for ; i < out+n; i++ {
|
|
if output16[i] != u16(i+in-out) {
|
|
bad16("copied16", i, length, in, out)
|
|
return
|
|
}
|
|
}
|
|
// after
|
|
for ; i < len(output16); i++ {
|
|
if output16[i] != u16(i+13) {
|
|
bad16("after16", i, length, in, out)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func bad32(state string, i, length, in, out int) {
|
|
fmt.Printf("%s bad(%d %d %d): %x not %x:\n\t%v\n\t%v\n",
|
|
state,
|
|
length, in, out,
|
|
output32[i],
|
|
uint32(i+13),
|
|
input32, output32)
|
|
os.Exit(1)
|
|
}
|
|
|
|
func verify32(length, in, out, m int) {
|
|
n := ncopied(length, in, out)
|
|
if m != n {
|
|
fmt.Printf("count bad(%d %d %d): %d not %d\n", length, in, out, m, n)
|
|
os.Exit(1)
|
|
return
|
|
}
|
|
// before
|
|
var i int
|
|
for i = 0; i < out; i++ {
|
|
if output32[i] != u32(i+13) {
|
|
bad32("before32", i, length, in, out)
|
|
return
|
|
}
|
|
}
|
|
// copied part
|
|
for ; i < out+n; i++ {
|
|
if output32[i] != u32(i+in-out) {
|
|
bad32("copied32", i, length, in, out)
|
|
return
|
|
}
|
|
}
|
|
// after
|
|
for ; i < len(output32); i++ {
|
|
if output32[i] != u32(i+13) {
|
|
bad32("after32", i, length, in, out)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func bad64(state string, i, length, in, out int) {
|
|
fmt.Printf("%s bad(%d %d %d): %x not %x:\n\t%v\n\t%v\n",
|
|
state,
|
|
length, in, out,
|
|
output64[i],
|
|
uint64(i+13),
|
|
input64, output64)
|
|
os.Exit(1)
|
|
}
|
|
|
|
func verify64(length, in, out, m int) {
|
|
n := ncopied(length, in, out)
|
|
if m != n {
|
|
fmt.Printf("count bad(%d %d %d): %d not %d\n", length, in, out, m, n)
|
|
os.Exit(1)
|
|
return
|
|
}
|
|
// before
|
|
var i int
|
|
for i = 0; i < out; i++ {
|
|
if output64[i] != u64(i+13) {
|
|
bad64("before64", i, length, in, out)
|
|
return
|
|
}
|
|
}
|
|
// copied part
|
|
for ; i < out+n; i++ {
|
|
if output64[i] != u64(i+in-out) {
|
|
bad64("copied64", i, length, in, out)
|
|
return
|
|
}
|
|
}
|
|
// after
|
|
for ; i < len(output64); i++ {
|
|
if output64[i] != u64(i+13) {
|
|
bad64("after64", i, length, in, out)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func slice() {
|
|
for length := 0; length < N; length++ {
|
|
for in := 0; in <= 32; in++ {
|
|
for out := 0; out <= 32; out++ {
|
|
doAllSlices(length, in, out)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Array test. Can be much simpler. It's only checking for correct handling of [0:].
|
|
func array() {
|
|
var array [N]uint8
|
|
reset()
|
|
copy(array[0:], input8)
|
|
for i := 0; i < N; i++ {
|
|
output8[i] = 0
|
|
}
|
|
copy(output8, array[0:])
|
|
verify8(N, 0, 0, N)
|
|
}
|
|
|
|
func main() {
|
|
slice()
|
|
array()
|
|
}
|