// 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.

// Test use of raw connections.
//
//go:build !plan9 && !js && !wasip1

package os_test

import (
	"os"
	"syscall"
	"testing"
)

func TestRawConnReadWrite(t *testing.T) {
	t.Parallel()

	r, w, err := os.Pipe()
	if err != nil {
		t.Fatal(err)
	}

// run

//go:build !nacl && !js && !wasip1 && !android && gc

// Copyright 2016 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"
	"log"
	"os/exec"
	"strings"
)

func main() {
	checkLinkOutput("", "-B argument must start with 0x")
	checkLinkOutput("0", "-B argument must start with 0x")

// run

//go:build !nacl && !js && !wasip1 && !android && !gccgo

// Copyright 2016 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"
	"html/template"
	"io/ioutil"
	"log"
	"os"
	"os/exec"
	"path/filepath"
)

var tmpl = template.Must(template.New("main").Parse(`
package main

// run

//go:build !js && !wasip1 && gc

// Copyright 2017 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.

// As of "Mon 6 Nov 2017", run.go doesn't yet have proper
// column matching so instead match the output manually
// by exec-ing

package main

import (
	"fmt"
	"io/ioutil"
	"log"
	"os"
	"os/exec"
	"strings"
)

// Copyright 2016 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.

//go:build unix || (js && wasm) || wasip1

package os

import (
	"syscall"
)

// Stat returns the [FileInfo] structure describing file.
// If there is an error, it will be of type [*PathError].
func (f *File) Stat() (FileInfo, error) {
	if f == nil {
		return nil, ErrInvalid

// 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.

//go:build unix || js || wasip1 || windows

package net

import (
	"syscall"
)

// A sockaddr represents a TCP, UDP, IP or Unix network endpoint
// address that can be converted into a syscall.Sockaddr.
type sockaddr interface {
	Addr

// Copyright 2019 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.

//go:build !js && !wasip1

// TODO(@musiol, @odeke-em): re-unify this entire file back into
// example.go when js/wasm gets an os.Pipe implementation
// and no longer needs this separation.

package testing

import (
	"fmt"
	"io"
	"os"
	"strings"
	"time"
)

// run

//go:build !nacl && !js && !wasip1 && gc

// Copyright 2015 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.

// Issue 11771: Magic comments should ignore carriage returns.

package main

import (
	"bytes"
	"fmt"
	"io/ioutil"
	"log"
	"os"
	"os/exec"
	"path/filepath"
	"runtime"
)

func main() {

// run

//go:build !nacl && !js && !wasip1 && !gccgo

// Copyright 2019 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 that the linker permits long call sequences.
package main

import (
	"bytes"
	"fmt"
	"io/ioutil"
	"os"
	"os/exec"
	"path/filepath"
	"strconv"
)

const start = `
package main

// Copyright 2015 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.

//go:build !js && !plan9 && !wasip1 && !windows

package socktest_test

import (
	"net/internal/socktest"
	"os"
	"sync"
	"syscall"
	"testing"
)

var sw socktest.Switch

func TestMain(m *testing.M) {
	installTestHooks()

	st := m.Run()