// Copyright 2024 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 tls

import (
	"encoding/hex"
	"testing"
)

func TestDecodeECHConfigLists(t *testing.T) {
	for _, tc := range []struct {
		list       string
		numConfigs int
	}{

			n++
		}
	}

	// quick exit
	if n == 0 {
		return s
	}

	// escape
	const hex = "0123456789abcdef"
	p := make([]byte, 0, len(s)+2*n)
	for r := 0; r < len(s); r++ {
		if c := s[r]; c <= ' ' || (c == '.' && r > slash) || c == '%' || c == '"' || c >= 0x7F {
			p = append(p, '%', hex[c>>4], hex[c&0xF])
		} else {
			p = append(p, c)
		}
	}

	return string(p)
}

    def "conversion is symmetrical"() {
        expect:
        key("ABCDABCD").asHex == "ABCDABCD"
    }

    def "conversion"() {
        expect:
        key(hex).asLong == decimal
        key(decimal).asHex == hex

        where:
        hex        | decimal
        "AAAAAAAA" | 2863311530
        "DA124B92" | 3658632082
    }

    def "equals impl"() {
        expect:

  force-pseudo-nesting: 0
  function-name-format: 2
  hex-length: 0
  hex-notation: 2
  id-name-format: 2
  indentation:
    - 2
    -
      size: 4
  leading-zero:
    - 2
    -
      include: false
  max-file-line-count: 0
  max-file-length: 0
  mixins-before-declarations: 2
  no-attribute-selectors: 0
  no-color-hex: 0
  no-color-keywords: 0
  no-color-literals: 0
  no-combinators: 0

	},
}

func TestAESGCM(t *testing.T) {
	for i, test := range aesGCMTests {
		key, _ := hex.DecodeString(test.key)
		aes, err := aes.NewCipher(key)
		if err != nil {
			t.Fatal(err)
		}

		nonce, _ := hex.DecodeString(test.nonce)
		plaintext, _ := hex.DecodeString(test.plaintext)
		ad, _ := hex.DecodeString(test.ad)
		tagSize := (len(test.result) - len(test.plaintext)) / 2

		var aesgcm cipher.AEAD

	// package like bcrypt or scrypt.
	// When decoded the key should be 16 bytes (AES-128) or 32 (AES-256).
	key, _ := hex.DecodeString("6368616e676520746869732070617373776f726420746f206120736563726574")
	ciphertext, _ := hex.DecodeString("c3aaa29f002ca75870806e44086700f62ce4d43e902b3888e23ceff797a7a471")
	nonce, _ := hex.DecodeString("64a9433eae7ccceee2fc0eda")

	block, err := aes.NewCipher(key)
	if err != nil {
		panic(err.Error())
	}

				j++
			}
			r := hexDecode(s[1:j])
			if r > unicode.MaxRune {
				r, j = r/16, j-1
			}
			n := utf8.EncodeRune(b[len(b):cap(b)], r)
			// The optional space at the end allows a hex
			// sequence to be followed by a literal hex.
			// string(decodeCSS([]byte(`\A B`))) == "\nB"
			b, s = b[:len(b)+n], skipCSSSpace(s[j:])
		} else {
			// `\\` decodes to `\` and `\"` to `"`.
			_, n := utf8.DecodeRune(s[1:])

                break;
            default:
                if (c < ' ') {
                    final String hex = Integer.toHexString(c);
                    buf.append("\\u");
                    for (int j = 0; j < 4 - hex.length(); j++) {
                        buf.append('0');

                    }
                    buf.append(hex);
                } else {
                    buf.append(c);
                }
            }

     * 
     * @param val
     * @param size
     * @return hex string
     */
    public static String toHexString ( int val, int size ) {
        char[] c = new char[size];
        toHexChars(val, c, 0, size);
        return new String(c);
    }


    /**
     * @param val
     * @param size
     * @return hex string
     */
    public static String toHexString ( long val, int size ) {

	buf[i] = byte('0' + val)
	return string(buf[i:])
}

const hex = "0123456789abcdef"

// Uitox converts val (a uint) to a hexadecimal string.
func Uitox(val uint) string {
	if val == 0 { // avoid string allocation
		return "0x0"
	}
	var buf [20]byte // big enough for 64bit value base 16 + 0x
	i := len(buf) - 1
	for val >= 16 {
		q := val / 16
		buf[i] = hex[val%16]
		i--
		val = q
	}
	// val < 16