import static org.junit.Assert.assertThrows;

import java.io.Closeable;
import java.io.Flushable;
import java.io.IOException;
import java.io.Writer;

/**
 * Unit test for {@link AppendableWriter}.
 *
 * @author Alan Green
 */
public class AppendableWriterTest extends IoTestCase {

  /** Helper class for testing behavior with Flushable and Closeable targets. */

/**
 * Writer that places all output on an {@link Appendable} target. If the target is {@link Flushable}
 * or {@link Closeable}, flush()es and close()s will also be delegated to the target.
 *
 * @author Alan Green
 * @author Sebastian Kanthak
 * @since 1.0
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
class AppendableWriter extends Writer {
  private final Appendable target;

import static org.junit.Assert.assertThrows;

import java.io.Closeable;
import java.io.Flushable;
import java.io.IOException;
import java.io.Writer;

/**
 * Unit test for {@link AppendableWriter}.
 *
 * @author Alan Green
 */
public class AppendableWriterTest extends IoTestCase {

  /** Helper class for testing behavior with Flushable and Closeable targets. */

   *
   * @deprecated This property was <a
   *     href="https://openjdk.java.net/jeps/220#Removed:-The-extension-mechanism">deprecated</a> in
   *     Java 8 and removed in Java 9. We do not plan to remove this API from Guava, but if you are
   *     using it, it is probably not doing what you want.
   */
  @Deprecated
  JAVA_EXT_DIRS("java.ext.dirs"),

  /** Operating system name. */
  OS_NAME("os.name"),

   *
   * @deprecated This property was <a
   *     href="https://openjdk.java.net/jeps/220#Removed:-The-extension-mechanism">deprecated</a> in
   *     Java 8 and removed in Java 9. We do not plan to remove this API from Guava, but if you are
   *     using it, it is probably not doing what you want.
   */
  @Deprecated
  JAVA_EXT_DIRS("java.ext.dirs"),

  /** Operating system name. */
  OS_NAME("os.name"),

            return builder.recordStats().build(identityLoader());
          }
        });
  }

  private CacheBuilderFactory cacheFactory() {
    // This is trickier than expected. We plan to put 15 values in each of these (WARMUP_MIN to
    // WARMUP_MAX), but the tests assume no values get evicted. Even with a maximumSize of 100, one

 * for further instructions. Whenever possible, you should change any references of type {@code
 * Ordering} to be of type {@code Comparator} instead. However, at this time we have no plan to
 * <i>deprecate</i> this class.
 *
 * <p>Many replacements involve adopting {@code Stream}, and these changes can sometimes make your

            return builder.recordStats().build(identityLoader());
          }
        });
  }

  private CacheBuilderFactory cacheFactory() {
    // This is trickier than expected. We plan to put 15 values in each of these (WARMUP_MIN to
    // WARMUP_MAX), but the tests assume no values get evicted. Even with a maximumSize of 100, one