C unfiltered = createUnfiltered(contents);
        C filtered1 = filter(unfiltered, EVEN);
        C filtered2 = filter(filtered1, PRIME_DIGIT);

        assertThrows(IllegalArgumentException.class, () -> filtered2.add(4));

        assertThrows(IllegalArgumentException.class, () -> filtered2.add(3));

        filtered2.add(2);
      }
    }

    public void testClearFilterFiltered() {

    TestCharSource failSource = new TestCharSource(STRING, READ_THROWS);
    assertThrows(IOException.class, () -> failSource.copyTo(new TestCharSink()));
    assertTrue(failSource.wasStreamClosed());
  }

  public void testClosesOnErrors_copyingToWriterThatThrows() {
    TestCharSource okSource = new TestCharSource(STRING);
    assertThrows(IOException.class, () -> okSource.copyTo(new TestWriter(WRITE_THROWS)));

    // inclusive.
    assertThrows(
        NumberFormatException.class,
        () -> UnsignedBytes.parseUnsignedByte("0", Character.MIN_RADIX - 1));

    assertThrows(
        NumberFormatException.class,
        () -> UnsignedBytes.parseUnsignedByte("0", Character.MAX_RADIX + 1));

    // The radix is used as an array index, so try a negative value.

    ServiceManager manager = new ServiceManager(asList(a));
    manager.startAsync();
    assertThrows(TimeoutException.class, () -> manager.awaitHealthy(1, TimeUnit.MILLISECONDS));
    manager.awaitHealthy(5, SECONDS); // no exception thrown

    manager.stopAsync();
    assertThrows(TimeoutException.class, () -> manager.awaitStopped(1, TimeUnit.MILLISECONDS));

    assertFalse(source.contentEquals(oneByteOff));
  }

  public void testSlice() throws IOException {
    // Test preconditions
    assertThrows(IllegalArgumentException.class, () -> source.slice(-1, 10));

    assertThrows(IllegalArgumentException.class, () -> source.slice(0, -1));

    assertCorrectSlice(0, 0, 0, 0);
    assertCorrectSlice(0, 0, 1, 0);
    assertCorrectSlice(100, 0, 10, 10);

    assertThrows(
        UnsupportedOperationException.class,
        () -> rangeSet.removeAll(ImmutableRangeSet.<Integer>of()));

    assertThrows(
        UnsupportedOperationException.class,
        () -> rangeSet.removeAll(ImmutableRangeSet.of(Range.closed(6, 8))));
  }

  @AndroidIncompatible // slow
  public void testExhaustive() {
    ImmutableSet<Range<Integer>> ranges =
        ImmutableSet.of(

    // inclusive.
    assertThrows(
        NumberFormatException.class,
        () -> UnsignedBytes.parseUnsignedByte("0", Character.MIN_RADIX - 1));

    assertThrows(
        NumberFormatException.class,
        () -> UnsignedBytes.parseUnsignedByte("0", Character.MAX_RADIX + 1));

    // The radix is used as an array index, so try a negative value.

                executor.execute(Runnables.doNothing());
              }
            });
    future.get(10, TimeUnit.SECONDS);
    assertThrows(RejectedExecutionException.class, () -> executor.execute(Runnables.doNothing()));
    latch.countDown();
    ExecutionException expected =
        assertThrows(ExecutionException.class, () -> first.get(10, TimeUnit.SECONDS));

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

package com.google.common.eventbus;

import static org.junit.Assert.assertThrows;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

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

package com.google.common.eventbus;

import static org.junit.Assert.assertThrows;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.Lists;
import java.util.List;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;