for (ByteSink out : BROKEN_SINKS) {
        int suppressed = runSuppressionFailureTest(in, out);
        assertThat(suppressed).isAtMost(1);
      }
    }
  }

  public void testSlice_returnEmptySource() {
    assertEquals(ByteSource.empty(), source.slice(0, 3).slice(4, 3));
  }

  /**
   * @return the number of exceptions that were suppressed on the expected thrown exception
   */