assertEquals("a", iterator.next());
    try {
      iterator.remove();
      fail();
    } catch (UnsupportedOperationException expected) {
    }
    assertFalse(iterator.hasNext());
    try {
      iterator.next();
      fail();
    } catch (NoSuchElementException expected) {
    }
    try {
      iterable.iterator();
      fail();
    } catch (IllegalStateException expected) {
    }
  }

    assertEquals("a", iterator.next());
    try {
      iterator.remove();
      fail();
    } catch (UnsupportedOperationException expected) {
    }
    assertFalse(iterator.hasNext());
    try {
      iterator.next();
      fail();
    } catch (NoSuchElementException expected) {
    }
    try {
      iterable.iterator();
      fail();
    } catch (IllegalStateException expected) {
    }
  }

    try {
      getDone(future);
      fail();
    } catch (ExecutionException expected) {
      assertSame(exception, expected.getCause());
    }

    try {
      getDoneFromTimeoutOverload(future);
      fail();
    } catch (ExecutionException expected) {
      assertSame(exception, expected.getCause());
    }
  }

      equalsTester.addEqualityGroup((Object) null);
      fail("Should fail on null reference");
    } catch (NullPointerException e) {
    }
  }

  /** Test equalObjects after adding multiple instances at once with a null */
  public void testAddTwoEqualObjectsAtOnceWithNull() {
    try {
      equalsTester.addEqualityGroup(reference, equalObject1, null);
      fail("Should fail on null equal object");
    } catch (NullPointerException e) {

/**
 * ReactorManager - unused
 */
@Deprecated
public class ReactorManager {
    public static final String FAIL_FAST = "fail-fast";

    public static final String FAIL_AT_END = "fail-at-end";

    public static final String FAIL_NEVER = "fail-never";

    public static final String MAKE_MODE = "make";

    public static final String MAKE_DEPENDENTS_MODE = "make-dependents";

      MathPreconditions.checkPositive("int", 0);
      fail();
    } catch (IllegalArgumentException expected) {
    }
  }

  public void testCheckPositive_maxInt() {
    MathPreconditions.checkPositive("int", Integer.MAX_VALUE);
  }

  public void testCheckPositive_minInt() {
    try {
      MathPreconditions.checkPositive("int", Integer.MIN_VALUE);
      fail();
    } catch (IllegalArgumentException expected) {
    }

  public static void assertMapEntryIsUnmodifiable(Entry<?, ?> entry) {
    try {
      // fine because the call is going to fail without modifying the entry
      @SuppressWarnings("unchecked")
      Entry<?, @Nullable Object> nullableValueEntry = (Entry<?, @Nullable Object>) entry;
      nullableValueEntry.setValue(null);
      fail("setValue on unmodifiable Map.Entry succeeded");
    } catch (UnsupportedOperationException expected) {
    }
  }

      equalsTester.addEqualityGroup((Object) null);
      fail("Should fail on null reference");
    } catch (NullPointerException e) {
    }
  }

  /** Test equalObjects after adding multiple instances at once with a null */
  public void testAddTwoEqualObjectsAtOnceWithNull() {
    try {
      equalsTester.addEqualityGroup(reference, equalObject1, null);
      fail("Should fail on null equal object");
    } catch (NullPointerException e) {

      try {
        LongMath.ceilingPowerOfTwo(x);
        fail("Expected IllegalArgumentException");
      } catch (IllegalArgumentException expected) {
      }
    }
  }

  public void testFloorPowerOfTwoNegative() {
    for (long x : NEGATIVE_LONG_CANDIDATES) {
      try {
        LongMath.floorPowerOfTwo(x);
        fail("Expected IllegalArgumentException");
      } catch (IllegalArgumentException expected) {

  public static void assertMapEntryIsUnmodifiable(Entry<?, ?> entry) {
    try {
      // fine because the call is going to fail without modifying the entry
      @SuppressWarnings("unchecked")
      Entry<?, @Nullable Object> nullableValueEntry = (Entry<?, @Nullable Object>) entry;
      nullableValueEntry.setValue(null);
      fail("setValue on unmodifiable Map.Entry succeeded");
    } catch (UnsupportedOperationException expected) {
    }
  }