public void testEncryptDecryptUnicode() throws Exception {
        // Test with Unicode characters
        char[] plaintext = "パスワード🔐密码".toCharArray();

        byte[] encrypted = storage.encryptCredentials(plaintext);
        char[] decrypted = storage.decryptCredentials(encrypted);

        assertArrayEquals(plaintext, decrypted, "Unicode should be preserved");

        // Clean up
        Arrays.fill(plaintext, '\0');

			i++
		}

		// Trim whitespace of segment
		segmentStart, segmentEnd := start, i
		for segmentStart < segmentEnd && unicode.IsSpace(rune(path[segmentStart])) {
			segmentStart++
		}
		for segmentEnd > segmentStart && unicode.IsSpace(rune(path[segmentEnd-1])) {
			segmentEnd--
		}

		// Check for ".." or "."
		switch {

    }

    // Edge/null/empty: message-only constructor should propagate message and set unsuccessful status
    @ParameterizedTest
    @NullSource
    @ValueSource(strings = { "", " ", "simple", "with unicode Ω≈ç√", "long-0123456789-abcdefghijklmnopqrstuvwxyz" })
    @DisplayName("Message-only ctor: propagates message and unsuccessful status")
    void messageOnlyConstructor_setsMessage_andUnsuccessfulStatus(String msg) {

		{"0.123456789abcdef", time.Time{}, false},
		{"foo", time.Time{}, false},
		{"\x00", time.Time{}, false},
		{"𝟵𝟴𝟳𝟲𝟱.𝟰𝟯𝟮𝟭𝟬", time.Time{}, false}, // Unicode numbers (U+1D7EC to U+1D7F5)
		{"98765﹒43210", time.Time{}, false}, // Unicode period (U+FE52)
	}

	for _, v := range vectors {
		ts, err := parsePAXTime(v.in)
		ok := (err == nil)
		if v.ok != ok {
			if v.ok {

        assertEquals(message, exception.getMessage());
        assertNull(exception.getCause());
    }

    @Test
    public void test_constructor_withUnicodeCharacters() {
        // Test with Unicode characters
        String message = "検索操作はサポートされていません 🔍";
        UnsupportedSearchException exception = new UnsupportedSearchException(message);

        assertEquals(message, exception.getMessage());

  HashFunctionEnum hashFunctionEnum;

  private String[] strings;

  static final int SAMPLES = 0x100;
  static final int SAMPLE_MASK = 0xFF;

  /**
   * Compute arrays of valid unicode text, and store it in 3 forms: byte arrays, Strings, and
   * StringBuilders (in a CharSequence[] to make it a little harder for the JVM).
   */
  @BeforeExperiment
  void setUp() {
    long seed = 99;

        assertEquals(specialName, item.getName());
    }

    public void test_unicodeInName() {
        final String unicodeName = "ファイル名.txt";
        final StorageItem item = new StorageItem(unicodeName, "/unicode/", false, 200L, null, "dW5pY29kZQ==");

        assertEquals(unicodeName, item.getName());
    }

        discloser.setSubject("テスト件名 🚀");
        discloser.setPlainText("テスト内容です。\n改行もあります。");

        String result = notificationHelper.toSlackMessage(discloser);

        assertNotNull(result);
        // Unicode characters may be escaped in JSON
        assertTrue(result.contains("テスト") || result.contains("\\u"));
    }

    @Test
    public void test_toGoogleChatMessage_withUnicodeContent() {

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

package bytes

// Simple byte buffer for marshaling data.

import (
	"errors"
	"io"
	"unicode/utf8"
)

// smallBufferSize is an initial allocation minimal capacity.
const smallBufferSize = 64

// A Buffer is a variable-sized buffer of bytes with [Buffer.Read] and [Buffer.Write] methods.

        assertEquals(statusCode, exception.getStatusCode());
        assertEquals(message, exception.getMessage());
    }

    @Test
    public void test_exceptionWithUnicodeMessage() {
        // Test with unicode characters in message
        int statusCode = 422;
        String message = "エラー: 無効なリクエスト 错误：无效请求 오류: 잘못된 요청";

        WebApiException exception = new WebApiException(statusCode, message);