// 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.

// Package nettest provides utilities for network testing.
package nettest

import (
	"errors"
	"fmt"
	"net"
	"os"
	"os/exec"
	"runtime"
	"strconv"
	"strings"
	"sync"
	"time"
)

var (
	stackOnce               sync.Once
	ipv4Enabled             bool

kinggo <******@****.***> 1641452573 +0800

cuiweixie <******@****.***> 1662288531 +0800

weilaaa <******@****.***> 1666237638 +0800

Russ Cox <******@****.***> 1638378945 -0500

wulianglongrd <******@****.***> 1711776363 +0800

        return true;
    }

    @Override
    public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
        if ("Lorg/junit/runner/RunWith;".equals(desc)) {
            setTest(true);
        }

        return null;
    }

    @Override
    public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
        if (!isTest()) {

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package p

func fn(setText []rune, negate bool) int {
	ranges := []singleRange{}

	if len(setText) > 0 {
		fillFirst := false
		l := len(setText)
		if negate {
			if setText[0] == 0 {
				setText = setText[1:]
			} else {
				l++
				fillFirst = true
			}
		}

		if l%2 == 0 {
			ranges = make([]singleRange, l/2)

        return false;
    }

    @Override
    public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
        if ("Lorg/testng/annotations/Test;".equals(desc)) {
            setTest(true);
        }
        return null;
    }

    @Override
    public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
        if (!isAbstract() && !isTest()) {

    String getDisplay() {
        display
    }

    void setText(String text) {
        display = text
    }

    @Override
    void setText(StyledTextOutputEvent.Span span) {
        throw new UnsupportedOperationException()
    }

    @Override
    void setText(List<StyledTextOutputEvent.Span> spans) {
        String text = ""