* Test name with very long string
     */
    public void test_name_veryLongString() {
        StringBuilder longName = new StringBuilder();
        for (int i = 0; i < 10000; i++) {
            longName.append("verylongname");
        }
        String longNameStr = longName.toString();

        testTransformer.setName(longNameStr);
        assertEquals(longNameStr, testTransformer.getName());

package zip

import (
	"bufio"
	"encoding/binary"
	"errors"
	"hash"
	"hash/crc32"
	"io"
	"io/fs"
	"strings"
	"unicode/utf8"
)

var (
	errLongName  = errors.New("zip: FileHeader.Name too long")
	errLongExtra = errors.New("zip: FileHeader.Extra too long")
)

// Writer implements a zip file writer.
type Writer struct {
	cw          *countWriter

	var headerTests = []struct {
		name    string
		extra   []byte
		wanterr error
	}{
		{
			name:    strings.Repeat("x", 1<<16),
			extra:   []byte{},
			wanterr: errLongName,
		},
		{
			name:    "long_extra",
			extra:   bytes.Repeat([]byte{0xff}, 1<<16),
			wanterr: errLongExtra,
		},
	}

	// write a zip file
	buf := new(bytes.Buffer)
	w := NewWriter(buf)