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

package unicode_test

import (
	"testing"
	. "unicode"
)

type T struct {
	rune   rune
	script string
}

var inCategoryTest = []T{
	{0x0081, "Cc"},
	{0x200B, "Cf"},
	{0xf0000, "Co"},
	{0xdb80, "Cs"},
	{0x0236, "Ll"},
	{0x1d9d, "Lm"},
	{0x07cf, "Lo"},
	{0x1f8a, "Lt"},

		// must be new code
		rune32 = true
	default:
		panic("rune != int and rune != int32")
	}

	if rune32 {
		x = int32(4)
	} else {
		x = int(5)
	}
	switch x.(type) {
	case rune:
		// ok
	default:
		panic("int (or int32) != rune")
	}

	checkBytes([]byte(mystring("")), `[]byte(mystring(""))`)
	checkBytes(mybytes(""), `mybytes("")`)
	checkBytes(mybytes(mystring("")), `mybytes(mystring(""))`)

	checkRunes([]rune(""), `[]rune("")`)
	checkRunes([]rune(mystring("")), `[]rune(mystring(""))`)
	checkRunes(myrunes(""), `myrunes("")`)
	checkRunes(myrunes(mystring("")), `myrunes(mystring(""))`)

// license that can be found in the LICENSE file.

package main

func ascii(r rune) rune {
	switch {
	case 97 <= r && r <= 122:
		return r - 32
	case 65 <= r && r <= 90:
		return r + 32
	default:
		return r
	}
}

func main() {
	nomeObjeto := "ABE1FK21"
	println(string(nomeObjeto[1:4]))
	println(ascii(rune(nomeObjeto[4])) >= 48 && ascii(rune(nomeObjeto[4])) <= 57)
	println(string(nomeObjeto[5]))

// ERROR "newline in character literal|newline in rune literal"
// ERROR "invalid character literal \(missing closing '\)|rune literal not terminated"

const (
	_ = ''     // ERROR "empty character literal or unescaped ' in character literal|empty rune literal"
	_ = 'f'
	_ = 'foo'  // ERROR "invalid character literal \(more than one character\)|more than one character in rune literal"
//line issue15611.go:11
	_ = '

//	2..0  case mode
//
// For the non-exceptional cases, a rune must be either uncased, lowercase or
// uppercase. If the rune is cased, the XOR pattern maps either a lowercase
// rune to uppercase or an uppercase rune to lowercase (applied to the 10
// least-significant bits of the rune).
//
// See the definitions below for a more detailed description of the various
// bits.
type info uint16

	case OpLiteral:
		for _, r := range re.Rune {
			escape(b, r, false)
		}
	case OpCharClass:
		if len(re.Rune)%2 != 0 {
			b.WriteString(`[invalid char class]`)
			break
		}
		b.WriteRune('[')
		if len(re.Rune) == 0 {
			b.WriteString(`^\x00-\x{10FFFF}`)
		} else if re.Rune[0] == 0 && re.Rune[len(re.Rune)-1] == unicode.MaxRune && len(re.Rune) > 2 {
			// Contains 0 and MaxRune. Probably a negated class.

	r = '\x00'
	for i, r = range s {
		b[i] = byte(r)
	}
	if want := n - 1; i != want {
		fmt.Printf("index after range with side-effect = %d want %d\n", i, want)
		os.Exit(1)
	}
	if want := rune(n); r != want {
		fmt.Printf("rune after range with side-effect = %q want %q\n", r, want)
		os.Exit(1)
	}

	i = -1
	// i is shadowed here, so its value should be unchanged.
	for i := range s {
		b[i] = s[i]
	}

var _ = true == '\'' // ERROR "invalid operation: (cannot compare true)|(true) == '\\'' \(mismatched types untyped bool and untyped rune\)"

package main

import (
	"fmt"
	"os"
	"unicode/utf8"
)

func main() {
	s := "\000\123\x00\xca\xFE\u0123\ubabe\U0000babe\U0010FFFFx"
	expect := []rune{0, 0123, 0, 0xFFFD, 0xFFFD, 0x123, 0xbabe, 0xbabe, 0x10FFFF, 'x'}
	offset := 0
	var i int
	var c rune
	ok := true
	cnum := 0
	for i, c = range s {
		r, size := utf8.DecodeRuneInString(s[i:len(s)]) // check it another way
		if i != offset {