public void setValuePrefix(int valuePrefix) {
      this.valuePrefix = valuePrefix;
    }

    @Override
    public Integer load(String key) {
      wasCalled = true;
      return valuePrefix + Integer.parseInt(key.substring(keyPrefix.length()));
    }
  }

  }

  public void testLimit_illegalArgument() {
    try {
      FluentIterable<String> unused =
          FluentIterable.from(Lists.newArrayList("a", "b", "c")).limit(-1);
      fail("Passing negative number to limit(...) method should throw IllegalArgumentException");
    } catch (IllegalArgumentException expected) {
    }
  }

  public void testIsEmpty() {

   * unspecified amount of padding; you almost certainly mean to call {@link
   * #newArrayListWithCapacity} (see that method for further advice on usage).
   *
   * <p><b>Note:</b> This method will soon be deprecated. Even in the rare case that you do want
   * some amount of padding, it's best if you choose your desired amount explicitly.
   *

  //             Policy.setPolicy(permissivePolicy());
  //             System.setSecurityManager(new SecurityManager());
  //         }
  //         int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);

  //         Test s = suite();
  //         for (int i = 0; i < iters; ++i) {
  //             junit.textui.TestRunner.run(s);
  //             System.gc();
  //             System.runFinalization();

   * <p>The returned object is serializable if {@code function} is serializable.
   *
   * @param function the function to be used for loading values; must never return {@code null}
   * @return a cache loader that loads values by passing each key to {@code function}
   */
  public static <K, V> CacheLoader<K, V> from(Function<K, V> function) {
    return new FunctionToCacheLoader<>(function);
  }

  /**

      fail("no exception thrown");
    } catch (IllegalArgumentException e) {
      assertThat(e).hasMessageThat().isEqualTo("A null C");
    }
  }

  @J2ktIncompatible // TODO(b/319404022): Allow passing null array as varargs
  public void testCheckArgument_singleNullArray_failure() {
    try {
      Preconditions.checkArgument(false, "A %s C", (Object[]) null);
      fail("no exception thrown");

   * @return an array containing the values of {@code array}, with guaranteed minimum length {@code
   *     minLength}
   */
  public static byte[] ensureCapacity(byte[] array, int minLength, int padding) {
    checkArgument(minLength >= 0, "Invalid minLength: %s", minLength);
    checkArgument(padding >= 0, "Invalid padding: %s", padding);

import static java.lang.Math.min;

import com.google.common.annotations.J2ktIncompatible;
import java.util.concurrent.locks.LockSupport;
import javax.annotation.CheckForNull;

/**
 * Works around an android bug, where parking for more than INT_MAX seconds can produce an abort
 * signal on 32 bit devices running Android Q.
 */
@J2ktIncompatible
@ElementTypesAreNonnullByDefault
final class OverflowAvoidingLockSupport {

                  "This should only appear in the " + "logs. It should not be rethrown."))
          .when(mockFlushable)
          .flush();
    }
  }

  // Flush the flushable using the Flushables, passing in the swallowException
  // parameter. expectThrown determines whether we expect an exception to
  // be thrown by Flushables.flush;
  private void doFlush(Flushable flushable, boolean swallowException, boolean expectThrown)

  }

  private void doClose(Closeable closeable, boolean swallowException) throws IOException {
    doClose(closeable, swallowException, !swallowException);
  }

  // Close the closeable using the Closeables, passing in the swallowException
  // parameter. expectThrown determines whether we expect an exception to
  // be thrown by Closeables.close;
  private void doClose(Closeable closeable, boolean swallowException, boolean expectThrown)