mirror of
https://github.com/golang/go
synced 2024-11-22 19:05:01 -07:00
b2fd76ab8d
Most of the test cases in the test directory use the new go:build syntax already. Convert the rest. In general, try to place the build constraint line below the test directive comment in more places. For #41184. For #60268. Change-Id: I11c41a0642a8a26dc2eda1406da908645bbc005b Cq-Include-Trybots: luci.golang.try:gotip-linux-386-longtest,gotip-linux-amd64-longtest,gotip-windows-amd64-longtest Reviewed-on: https://go-review.googlesource.com/c/go/+/536236 Reviewed-by: Ian Lance Taylor <iant@google.com> Reviewed-by: Dmitri Shuralyov <dmitshur@google.com> Auto-Submit: Dmitri Shuralyov <dmitshur@golang.org> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
35 lines
604 B
Go
35 lines
604 B
Go
// run
|
|
|
|
//go:build amd64p32
|
|
|
|
// Copyright 2018 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
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"unsafe"
|
|
)
|
|
|
|
func main() {
|
|
b := make([]byte, 128)
|
|
for i := range b {
|
|
b[i] = 1
|
|
}
|
|
if bytes.IndexByte(b, 0) != -1 {
|
|
panic("found 0")
|
|
}
|
|
for i := range b {
|
|
b[i] = 0
|
|
c := b
|
|
*(*int)(unsafe.Pointer(uintptr(unsafe.Pointer(&c)) + unsafe.Sizeof(uintptr(0)))) = 1<<31 - 1
|
|
if bytes.IndexByte(c, 0) != i {
|
|
panic(fmt.Sprintf("missing 0 at %d\n", i))
|
|
}
|
|
b[i] = 1
|
|
}
|
|
}
|