}

    @ParameterizedTest
    @DisplayName("Test invalid usernames")
    @ValueSource(strings = { "user name", // space
            "user#name", // invalid character
            "user$name" // invalid character
    })
    void testInvalidUsernames(String username) {
        assertThrows(IllegalArgumentException.class, () -> InputValidator.validateUsername(username));
    }

    @Test

    checkNotNull(type);
    if (type.isPrimitive()) {
      if (type == boolean.class) {
        return (T) Boolean.FALSE;
      } else if (type == char.class) {
        return (T) Character.valueOf('\0');
      } else if (type == byte.class) {
        return (T) Byte.valueOf((byte) 0);
      } else if (type == short.class) {
        return (T) Short.valueOf((short) 0);
      } else if (type == int.class) {

  void writeDouble(double v);

  @Override
  void writeChars(String s);

  @Override
  void writeUTF(String s);

  /**
   * @deprecated This method is dangerous as it discards the high byte of every character. For
   *     UTF-8, use {@code write(s.getBytes(StandardCharsets.UTF_8))}.
   */
  @Deprecated
  @Override
  void writeBytes(String s);

 *
 * Percent encoding replaces a character (like `\ud83c\udf69`) with its UTF-8 hex bytes (like
 * `%F0%9F%8D%A9`). This approach works for whitespace characters, control characters, non-ASCII
 * characters, and characters that already have another meaning in a particular context.
 *
 * Percent encoding is used in every URL component except for the hostname. But the set of

   *
   * @param string the string containing the unsigned integer representation to be parsed.
   * @param radix the radix to use while parsing {@code s}; must be between {@link
   *     Character#MIN_RADIX} and {@link Character#MAX_RADIX}.
   * @throws NumberFormatException if the string does not contain a valid unsigned {@code int}, or
   *     if supplied radix is invalid.

   From the stack trace it looks like you are hitting windows path length limit.
      * Try to disable path length limit on Windows 10.
        * Refer [disable path length limit instructions guide.](https://mspoweruser.com/ntfs-260-character-windows-10/)
   

    checkNotNull(type);
    if (type.isPrimitive()) {
      if (type == boolean.class) {
        return (T) Boolean.FALSE;
      } else if (type == char.class) {
        return (T) Character.valueOf('\0');
      } else if (type == byte.class) {
        return (T) Byte.valueOf((byte) 0);
      } else if (type == short.class) {
        return (T) Short.valueOf((short) 0);
      } else if (type == int.class) {

   *     {@code string} has a length of zero or cannot be parsed as an integer value
   * @throws IllegalArgumentException if {@code radix < Character.MIN_RADIX} or {@code radix >
   *     Character.MAX_RADIX}
   * @throws NullPointerException if {@code string} is {@code null}
   * @since 19.0
   */
  public static @Nullable Integer tryParse(String string, int radix) {

//go:build !(windows || js || wasip1)

package main

import (
	"regexp"
	"strings"
	"testing"
)

func TestExitCodeFilter(t *testing.T) {
	// Write text to the filter one character at a time.
	var out strings.Builder
	f, exitStr := newExitCodeFilter(&out)
	// Embed a "fake" exit code in the middle to check that we don't get caught on it.
	pre := "abc" + exitStr + "123def"
	text := pre + exitStr + `1`

     */
    public void test_name_boundaryCases() {
        // Single character
        testTransformer.setName("a");
        assertEquals("a", testTransformer.getName());

        // Single space
        testTransformer.setName(" ");
        assertEquals(" ", testTransformer.getName());

        // Single Unicode character
        testTransformer.setName("あ");
        assertEquals("あ", testTransformer.getName());