value:       []byte{1, 2, 3},
			expectedErr: "invalid PrintableString",
		},
		{
			name:     "UTF8String",
			tag:      cryptobyte_asn1.UTF8String,
			value:    []byte{80, 81, 82},
			expected: string("PQR"),
		},
		{
			name:        "UTF8String (invalid)",
			tag:         cryptobyte_asn1.UTF8String,
			value:       []byte{255},
			expectedErr: "invalid UTF-8 string",
		},
		{
			name:     "BMPString",

#import "greeter.h"

@implementation Greeter

- (void) sayHello {
    NSString *helloWorld = @"Hello world!";
    fprintf(stdout, "%s\n", [helloWorld UTF8String]);
}

                NSString *helloWorld = @"${HELLO_WORLD}";
                #ifdef FRENCH
                helloWorld = @"${HELLO_WORLD_FRENCH}";
                #endif
                fprintf(stdout, "%s\\n", [helloWorld UTF8String]);
            }
            @end
        """),
                sourceFile("objc", "sum.m", """
            #include "common.h"

            int sum (int a, int b)
            {

#import <iostream>
#import "greeter.h"

@implementation Greeter

- (void) sayHello {
    NSString *helloWorld = @"Hello world!";
    std::cout << [helloWorld UTF8String] << std::endl;
}

                super.accept(outputFrame)
                println(outputFrame.utf8String)
            }
        }
        def stderrConsumer = new ToStringConsumer() {
            @Override
            void accept(OutputFrame outputFrame) {
                super.accept(outputFrame)
                System.err.println(outputFrame.utf8String)
            }
        }

const (
	BOOLEAN           = Tag(1)
	INTEGER           = Tag(2)
	BIT_STRING        = Tag(3)
	OCTET_STRING      = Tag(4)
	NULL              = Tag(5)
	OBJECT_IDENTIFIER = Tag(6)
	ENUM              = Tag(10)
	UTF8String        = Tag(12)
	SEQUENCE          = Tag(16 | classConstructed)
	SET               = Tag(17 | classConstructed)
	PrintableString   = Tag(19)
	T61String         = Tag(20)
	IA5String         = Tag(22)

   * when a value has both a context or application tag and a universal tag.
   *
   * Use this for EXPLICIT tag types:
   *
   * ```
   * [5] EXPLICIT UTF8String
   * ```
   *
   * @param forceConstructed non-null to set the constructed bit to the specified value, even if the
   *     writing process sets something else. This is used to encode SEQUENCES in values that are

  }

  @Test fun `implicit tag`() {
    // [5] IMPLICIT UTF8String
    val bytes = "85026869".decodeHex()
    val implicitAdapter = Adapters.UTF8_STRING.withTag(tag = 5L)
    assertThat(implicitAdapter.fromDer(bytes)).isEqualTo("hi")
    assertThat(implicitAdapter.toDer("hi")).isEqualTo(bytes)
  }

  @Test fun `encode implicit`() {
    // [5] IMPLICIT UTF8String
    val implicitAdapter = Adapters.UTF8_STRING.withTag(tag = 5L)

		if params.stringType == 0 {
			// This is a string without an explicit string type. We'll use
			// a PrintableString if the character set in the string is
			// sufficiently limited, otherwise we'll use a UTF8String.
			for _, r := range v.String() {
				if r >= utf8.RuneSelf || !isPrintable(byte(r), rejectAsterisk, rejectAmpersand) {
					if !utf8.ValidString(v.String()) {
						return nil, errors.New("asn1: string not valid UTF-8")

// byte slice and returns it.
func parseT61String(bytes []byte) (ret string, err error) {
	return string(bytes), nil
}

// UTF8String

// parseUTF8String parses an ASN.1 UTF8String (raw UTF-8) from the given byte
// array and returns it.
func parseUTF8String(bytes []byte) (ret string, err error) {
	if !utf8.Valid(bytes) {