assertEquals("foobar", Ascii.toLowerCase("fOobaR"));
  }

  public void testToUpperCase() {
    assertEquals(UPPER, Ascii.toUpperCase(LOWER));
    assertSame(UPPER, Ascii.toUpperCase(UPPER));
    assertEquals(IGNORED, Ascii.toUpperCase(IGNORED));
    assertEquals("FOOBAR", Ascii.toUpperCase("FoOBAr"));
  }

  public void testCharsIgnored() {
    for (char c : IGNORED.toCharArray()) {
      String str = String.valueOf(c);

   * without modification.
   *
   * @since 14.0
   */
  public static String toUpperCase(CharSequence chars) {
    if (chars instanceof String) {
      return toUpperCase((String) chars);
    }
    char[] newChars = new char[chars.length()];
    for (int i = 0; i < newChars.length; i++) {
      newChars[i] = toUpperCase(chars.charAt(i));
    }
    return String.valueOf(newChars);
  }

  /**

   * without modification.
   *
   * @since 14.0
   */
  public static String toUpperCase(CharSequence chars) {
    if (chars instanceof String) {
      return toUpperCase((String) chars);
    }
    char[] newChars = new char[chars.length()];
    for (int i = 0; i < newChars.length; i++) {
      newChars[i] = toUpperCase(chars.charAt(i));
    }
    return String.valueOf(newChars);
  }

  /**

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package gradlebuild.samples

import gradlebuild.basics.toLowerCase
import gradlebuild.basics.toUpperCase
import org.gradle.api.file.Directory
import org.gradle.buildinit.plugins.internal.CompositeProjectInitDescriptor
import org.gradle.buildinit.plugins.internal.InitSettings

          // Canonical escaper method that only escapes lower case ASCII letters.
          @Override
          protected char @Nullable [] escape(int cp) {
            return ('a' <= cp && cp <= 'z') ? new char[] {Character.toUpperCase((char) cp)} : null;
          }
          // Inefficient implementation that defines all letters as escapable.
          @Override
          protected int nextEscapeIndex(CharSequence csq, int index, int end) {

          // Canonical escaper method that only escapes lower case ASCII letters.
          @Override
          protected char @Nullable [] escape(int cp) {
            return ('a' <= cp && cp <= 'z') ? new char[] {Character.toUpperCase((char) cp)} : null;
          }
          // Inefficient implementation that defines all letters as escapable.
          @Override
          protected int nextEscapeIndex(CharSequence csq, int index, int end) {

  public void testMap() {
    SpliteratorTester.of(
            () ->
                CollectSpliterators.map(
                    Arrays.spliterator(new String[] {"a", "b", "c", "d", "e"}), Ascii::toUpperCase))
        .expect("A", "B", "C", "D", "E");
  }

  public void testFlatMap() {
    SpliteratorTester.of(
            () ->
                CollectSpliterators.flatMap(

      BaseEncoding encoding, String decoded, String encoded) {
    testEncodingWithSeparators(encoding, decoded, encoded);
    testEncodingWithSeparators(encoding.upperCase(), decoded, Ascii.toUpperCase(encoded));
    testEncodingWithSeparators(encoding.lowerCase(), decoded, Ascii.toLowerCase(encoded));
  }

  private static void testEncodingWithSeparators(

  }

  public void testFromStringFailsWithUpperCaseString() {
    String string = Hashing.sha1().hashString("foo", US_ASCII).toString().toUpperCase();
    assertThrows(IllegalArgumentException.class, () -> HashCode.fromString(string));
  }

  public void testFromStringFailsWithShortInputs() {

        if (method != null) {
            String propertyName = method.getPropertyName();
            String isGetterName = "is" + Character.toUpperCase(propertyName.charAt(0)) + propertyName.substring(1);
            return method.getReplacedAccessors().stream()