@Override
  protected SortedMap<K, V> makeEitherMap() {
    try {
      return makePopulatedMap();
    } catch (UnsupportedOperationException e) {
      return makeEmptyMap();
    }
  }

  public void testTailMapWriteThrough() {
    SortedMap<K, V> map;
    try {
      map = makePopulatedMap();
    } catch (UnsupportedOperationException e) {
      return;
    }

  public void testReplace_absentNullValueUnsupported() {
    try {
      getMap().replace(k3(), null);
    } catch (NullPointerException tolerated) {
      // permitted not to throw because it would be a no-op
    }
    expectUnchanged();
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_KEY_QUERIES)
  public void testReplace_absentNullKeyUnsupported() {
    try {
      getMap().replace(null, v3());

  }

  @Override
  public void testEntrySetRemoveAllNullFromEmpty() {
    try {
      super.testEntrySetRemoveAllNullFromEmpty();
    } catch (RuntimeException tolerated) {
      // GWT's TreeMap.entrySet().removeAll(null) doesn't throws NPE.
    }
  }

  @Override
  public void testEntrySetRetainAllNullFromEmpty() {
    try {
      super.testEntrySetRetainAllNullFromEmpty();
    } catch (RuntimeException tolerated) {

    file.createNewFile();
    
    // Write some data
    try (OutputStream os = file.getOutputStream()) {
        os.write("test data".getBytes());
    }
    
    // Simulate network disconnection
    file.getTree().getSession().getTransport().disconnect();
    
    // Try to read - should trigger reconnection
    try (InputStream is = file.getInputStream()) {
        byte[] buffer = new byte[9];

        assertArgumentNotNull("in", in);
        assertArgumentNotNull("out", out);

        final FileInputStream is = InputStreamUtil.create(in);
        try {
            final FileOutputStream os = OutputStreamUtil.create(out);
            try {
                return copyInternal(is, os);
            } finally {
                CloseableUtil.close(os);
            }
        } finally {

         * Negotiate Protocol Request / Response
         */

        final SmbComNegotiateResponse resp = new SmbComNegotiateResponse(server);
        try {
            negotiate(port, resp);
        } catch (final ConnectException | NoRouteToHostException nr) {
            // Try an alternate port if there was an issue communicating to the server
            // Only set the alternate port to the port property if it was successful

    expectMissing(e0());
  }

  @CollectionFeature.Require(absent = SUPPORTS_REMOVE)
  public void testRemoveAll_unsupportedEmptyCollection() {
    try {
      assertFalse(
          "removeAll(emptyCollection) should return false or throw "
              + "UnsupportedOperationException",
          collection.removeAll(MinimalCollection.of()));

     * @return {@link ResourceBundle}
     * @see ResourceBundle#getBundle(String)
     */
    public static final ResourceBundle getBundle(final String name) {
        assertArgumentNotEmpty("name", name);

        try {
            return ResourceBundle.getBundle(name);
        } catch (final MissingResourceException ignore) {
            return null;
        }
    }

    /**

    try {
      getMap().replace(k0(), v3(), v4());
    } catch (UnsupportedOperationException tolerated) {
      // the operation would be a no-op, so exceptions are allowed but not required
    }
    expectUnchanged();
  }

  @MapFeature.Require(absent = SUPPORTS_PUT)
  public void testReplaceEntry_unsupportedAbsentKey() {
    try {
      getMap().replace(k3(), v3(), v4());

        try {
            final InputStream is = request.getInputStream();
            try {
                final byte[] buf = new byte[1024];
                while ((is.read(buf)) != -1) {}
            } catch (final Exception ignored) {} finally {
                try {
                    is.close();
                } catch (final Exception ignored) {}