K unmappedKey;
    try {
      map = makePopulatedMap();
      unmappedKey = getKeyNotInPopulatedMap();
    } catch (UnsupportedOperationException e) {
      return;
    }
    assertFalse(map.containsKey(unmappedKey));
    try {
      assertFalse(map.containsKey(new IncompatibleKeyType()));
    } catch (ClassCastException tolerated) {
    }
    assertTrue(map.containsKey(map.keySet().iterator().next()));

    }

    public void test_multipleCatches() {
        // Test with multiple catch blocks
        boolean caughtSpecific = false;
        boolean caughtRuntime = false;

        try {
            throw new DictionaryExpiredException();
        } catch (DictionaryExpiredException e) {
            caughtSpecific = true;
        } catch (RuntimeException e) {
            caughtRuntime = true;
        }

            } catch (NumberFormatException e) {
                // Invalid value ignored
            }
        }

        value = props.getProperty("jcifs.smb.client.soTimeout");
        if (value != null) {
            try {
                this.smbSocketTimeout = Integer.parseInt(value);
            } catch (NumberFormatException e) {
                // Invalid value ignored

        } catch (final IOException ex) {}
        return connection.getDate();
    }

    @Override
    public long getLastModified() {
        try {
            handshake();
        } catch (final IOException ex) {}
        return connection.getLastModified();
    }

    @Override
    public String getHeaderField(final String header) {
        try {
            handshake();

            try {
                serverSideCopy(src, dest, sh, dh, false);
                return;
            } catch (final SmbUnsupportedOperationException e) {
                log.debug("Server side copy not supported, falling back to normal copying", e);
            } catch (final CIFSException e) {
                log.warn("Server side copy failed", e);
                throw SmbException.wrap(e);
            }

  @Throws(IOException::class)
  fun flushRequest() {
    try {
      codec.flushRequest()
    } catch (e: IOException) {
      eventListener.requestFailed(call, e)
      trackFailure(e)
      throw e
    }
  }

  @Throws(IOException::class)
  fun finishRequest() {
    try {
      codec.finishRequest()
    } catch (e: IOException) {
      eventListener.requestFailed(call, e)
      trackFailure(e)
      throw e

                            } catch (InterruptedException e) {
                                throw new RuntimeException(e);
                            }
                        });
                        successCount.incrementAndGet();
                    } catch (InterruptedException e) {
                        Thread.currentThread().interrupt();
                    } catch (CIFSException e) {

                                tree.release();
                            } catch (Exception e) {
                                log.debug("Error during emergency tree cleanup", e);
                            }
                        }
                        this.trees.clear();
                    } catch (Exception e) {
                        log.debug("Error clearing trees during emergency cleanup", e);

        assertArgumentNotNull("channel", channel);
        assertArgumentNotNull("mode", mode);

        try {
            return channel.map(mode, 0, channel.size());
        } catch (final IOException e) {
            throw new IORuntimeException(e);
        }
    }

    /**
     * Returns the size of the file.
     *
     * @param channel

      collection.add(sampleElement);
      fail("add succeeded on unmodifiable collection");
    } catch (UnsupportedOperationException expected) {
    }

    assertCollectionsAreEquivalent(copy, collection);

    try {
      collection.addAll(siblingCollection);
      fail("addAll succeeded on unmodifiable collection");
    } catch (UnsupportedOperationException expected) {
    }