})
	}
}

func TestValidRegion(t *testing.T) {
	tests := []struct {
		name    string
		success bool
	}{
		{name: "us-east-1", success: true},
		{name: "us_east", success: true},
		{name: "helloWorld", success: true},
		{name: "-fdslka", success: false},
		{name: "^00[", success: false},
		{name: "my region", success: false},
		{name: "%%$#!", success: false},
	}

	for _, test := range tests {

    }

    @Test
    void testToString() {
        // Test toString with zterm = true
        String originalStringTrue = "HelloWorld";
        UnicodeString unicodeStringTrue = new UnicodeString(originalStringTrue, true);
        assertEquals(originalStringTrue, unicodeStringTrue.toString(), "toString should return original string with zterm");

	expected string
	err      error
}{
	{"", 0, 0, "", nil},
	{"aaa", 0, 3, "aaa", nil},
	{"foobar", 0, 2, "fo", nil},
	{"a", 0, 2, "a", io.EOF},
	{"helloworld", 4, 3, "owo", nil},
	{"helloworld", 5, 5, "world", nil},
	{"helloworld", 5, 6, "world", io.EOF},
	{"helloworld", 10, 1, "", io.EOF},
}

func TestPeek(t *testing.T) {
	for _, test := range peekTests {
		buf := NewBufferString(test.buffer)
		buf.Next(test.skip)

    }

    @Test
    @DisplayName("Should join with empty string delimiter")
    void testJoinWithEmptyDelimiter() {
        String result = StringUtil.join("", "hello", "world");
        assertEquals("helloworld", result);
    }

    @Test
    @DisplayName("Should join with multi-character delimiter")
    void testJoinWithMultiCharDelimiter() {
        String result = StringUtil.join(" - ", "apple", "banana", "cherry");

    @Test
    public void test_decodeBase64_urlSafe() {
        // Base64 URL encoding (uses - and _ instead of + and /)
        final byte[] result = authenticator.decodeBase64("SGVsbG9Xb3JsZA");
        assertEquals("HelloWorld", new String(result));
    }

    @Test
    public void test_decodeBase64_withPadding() {
        // Standard Base64 with padding
        final byte[] result = authenticator.decodeBase64("dGVzdA==");

Request request = new Request.Builder()
    .url("http://www.publicobject.com/helloworld.txt")
    .header("User-Agent", "OkHttp Example")
    .build();

Response response = client.newCall(request).execute();
response.body().close();
```

    public void test_evaluate_stringOperations() {
        final Map<String, Object> params = new HashMap<>();
        params.put("first", "Hello");
        params.put("second", "World");

        assertEquals("HelloWorld", groovyEngine.evaluate("return first + second", params));
        assertEquals("HELLO", groovyEngine.evaluate("return first.toUpperCase()", params));
        assertEquals(5, groovyEngine.evaluate("return first.length()", params));

      .addInterceptor(new CurrentDateInterceptor())
      .build();

  public void run() throws Exception {
    Request request = new Request.Builder()
        .url("https://publicobject.com/helloworld.txt")
        .build();

    try (Response response = client.newCall(request).execute()) {
      System.out.println(response.request().header("Date"));
    }
  }

import okhttp3.Response

class AsynchronousGet {
  private val client = OkHttpClient()

  fun run() {
    val request =
      Request
        .Builder()
        .url("http://publicobject.com/helloworld.txt")
        .build()

    client.newCall(request).enqueue(
      object : Callback {
        override fun onFailure(
          call: Call,
          e: IOException,
        ) {

      .addInterceptor(new LoggingInterceptor())
      .build();

  public void run() throws Exception {
    Request request = new Request.Builder()
        .url("https://publicobject.com/helloworld.txt")
        .build();

    Response response = client.newCall(request).execute();
    response.body().close();
  }

  private static class LoggingInterceptor implements Interceptor {