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9a76102bfb
Make all our package sources use Go 1.17 gofmt format (adding //go:build lines). Not strictly necessary but will avoid spurious changes as files are edited. Part of //go:build change (#41184). See https://golang.org/design/draft-gobuild Change-Id: I01667f826428426a39c84717d02efa25fa44553c Reviewed-on: https://go-review.googlesource.com/c/sys/+/294490 TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Josh Bleecher Snyder <josharian@gmail.com> Reviewed-by: Matt Layher <mdlayher@gmail.com> Trust: Josh Bleecher Snyder <josharian@gmail.com> Trust: Russ Cox <rsc@golang.org> Run-TryBot: Josh Bleecher Snyder <josharian@gmail.com> Run-TryBot: Russ Cox <rsc@golang.org>
57 lines
1.1 KiB
Go
57 lines
1.1 KiB
Go
// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build dragonfly || freebsd || linux || netbsd || openbsd || solaris
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// +build dragonfly freebsd linux netbsd openbsd solaris
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package unix_test
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import (
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"testing"
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"golang.org/x/sys/unix"
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)
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func TestPipe2(t *testing.T) {
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const s = "hello"
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var pipes [2]int
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err := unix.Pipe2(pipes[:], 0)
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if err != nil {
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t.Fatalf("pipe2: %v", err)
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}
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r := pipes[0]
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w := pipes[1]
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go func() {
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n, err := unix.Write(w, []byte(s))
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if err != nil {
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t.Errorf("bad write: %v", err)
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return
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}
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if n != len(s) {
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t.Errorf("bad write count: %d", n)
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return
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}
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err = unix.Close(w)
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if err != nil {
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t.Errorf("bad close: %v", err)
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return
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}
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}()
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var buf [10 + len(s)]byte
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n, err := unix.Read(r, buf[:])
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if err != nil {
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t.Fatalf("bad read: %v", err)
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}
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if n != len(s) {
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t.Fatalf("bad read count: %d", n)
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}
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if string(buf[:n]) != s {
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t.Fatalf("bad contents: %s", string(buf[:n]))
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}
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err = unix.Close(r)
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if err != nil {
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t.Fatalf("bad close: %v", err)
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}
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}
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