// 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 !plan9 && !windows && !js && !wasip1

package runtime_test

import (
	"io"
	"os/exec"
	"syscall"
	"testing"
	"time"
)

// Issue #27250. Spurious wakeups to pthread_cond_timedwait_relative_np
// shouldn't cause semasleep to retry with the same timeout which would

// Verifies go.dev/issue/33091.
func TestExperimentToolID(t *testing.T) {
	if testing.Short() {
		t.Skip("skipping test that rebuilds the entire toolchain twice")
	}
	switch runtime.GOOS {
	case "android", "ios", "js", "wasip1":
		t.Skipf("skipping because the toolchain does not have to bootstrap on GOOS=%s", runtime.GOOS)
	}

	realGoroot := testenv.GOROOT(t)

	// Set up GOROOT.
	goroot := t.TempDir()

	}
}

func TestReadOnlyWriteFile(t *testing.T) {
	if Getuid() == 0 {
		t.Skipf("Root can write to read-only files anyway, so skip the read-only test.")
	}
	if runtime.GOOS == "wasip1" {
		t.Skip("no support for file permissions on " + runtime.GOOS)
	}
	t.Parallel()

	// We don't want to use CreateTemp directly, since that opens a file for us as 0600.
	tempDir, err := MkdirTemp("", t.Name())

	return !testing.Short() && runtime.GOOS != "js" && runtime.GOOS != "wasip1"
}

// MustHaveExternalNetwork checks that the current system can use
// external (non-localhost) networks.
// If not, MustHaveExternalNetwork calls t.Skip with an explanation.
func MustHaveExternalNetwork(t testing.TB) {
	if runtime.GOOS == "js" || runtime.GOOS == "wasip1" {
		t.Helper()

// Copyright 2010 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 (
	"context"
	"syscall"
)

func sockaddrToIP(sa syscall.Sockaddr) Addr {
	switch sa := sa.(type) {
	case *syscall.SockaddrInet4:
		return &IPAddr{IP: sa.Addr[0:]}
	case *syscall.SockaddrInet6:

// 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.

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

package os

import (
	"errors"
	"runtime"
	"syscall"
	"time"
)

const (
	// Special values for Process.Pid.
	pidUnset    = 0
	pidReleased = -1
)

func (p *Process) wait() (ps *ProcessState, err error) {

	t.Helper()
	// A few APIs like File and Read/WriteMsg{UDP,IP} are not
	// fully implemented yet on Plan 9 and Windows.
	switch runtime.GOOS {
	case "windows", "js", "wasip1":
		if network == "file+net" {
			t.Logf(format, args...)
			return
		}
	case "plan9":
		t.Logf(format, args...)
		return
	}
	t.Fatalf(format, args...)

// run

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

// 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.

// Test the compiler -linkobj flag.

package main

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

var pwd, tmpdir string

func main() {

	"runtime"
	"syscall"
	"testing"
	"time"
)

func TestReadUnixgramWithUnnamedSocket(t *testing.T) {
	if !testableNetwork("unixgram") {
		t.Skip("unixgram test")
	}
	switch runtime.GOOS {
	case "js", "wasip1":
		t.Skipf("skipping: syscall.Socket not implemented on %s", runtime.GOOS)
	}
	if runtime.GOOS == "openbsd" {
		testenv.SkipFlaky(t, 15157)
	}

	addr := testUnixAddr(t)

// 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 !js && !plan9 && !wasip1

package filelock_test

import (
	"fmt"
	"internal/testenv"
	"os"
	"path/filepath"
	"runtime"
	"testing"
	"time"

	"cmd/go/internal/lockedfile/internal/filelock"
)

func lock(t *testing.T, f *os.File) {
	t.Helper()