assertEquals("foobar", Ascii.truncate("foobar", 6, "…"));
    assertEquals("foob…", Ascii.truncate("foobar", 5, "…"));
    assertEquals("foo", Ascii.truncate("foobar", 3, ""));
    assertEquals("", Ascii.truncate("", 5, ""));
    assertEquals("", Ascii.truncate("", 5, "..."));
    assertEquals("", Ascii.truncate("", 0, ""));
  }

  public void testTruncateIllegalArguments() {
    try {
      Ascii.truncate("foobar", 2, "...");

    assertEquals("foobar", Ascii.truncate("foobar", 6, "…"));
    assertEquals("foob…", Ascii.truncate("foobar", 5, "…"));
    assertEquals("foo", Ascii.truncate("foobar", 3, ""));
    assertEquals("", Ascii.truncate("", 5, ""));
    assertEquals("", Ascii.truncate("", 5, "..."));
    assertEquals("", Ascii.truncate("", 0, ""));
  }

  public void testTruncateIllegalArguments() {
    try {
      Ascii.truncate("foobar", 2, "...");

  @Override
  public boolean wasStreamClosed() {
    return outputStreamClosed;
  }

  @Override
  public OutputStream openStream() throws IOException {
    outputStreamOpened = true;
    bytes.reset(); // truncate
    return new Out();
  }

  private final class Out extends TestOutputStream {

    public Out() throws IOException {
      super(bytes, options);
    }

    @Override

   * the sequence will be returned as a string with no changes to the content.
   *
   * <p>Examples:
   *
   * <pre>{@code
   * Ascii.truncate("foobar", 7, "..."); // returns "foobar"
   * Ascii.truncate("foobar", 5, "..."); // returns "fo..."
   * }</pre>
   *
   * <p><b>Note:</b> This method <i>may</i> work with certain non-ASCII text but is not safe for use

    /**
     * Get the current file length
     * 
     * @return file length
     * @throws SmbException
     */
    long length () throws SmbException;


    /**
     * Expand/truncate file length
     * 
     * @param newLength
     *            new file length
     * @throws SmbException
     */
    void setLength ( long newLength ) throws SmbException;

     * aka OPEN_ALWAYS
     */

    static final int FILE_OPEN_IF = 0x3;

    /*
     * Open the file and overwrite it's contents or fail if it does not exist
     * aka TRUNCATE_EXISTING
     */

    static final int FILE_OVERWRITE = 0x4;

    /*
     * Open the file and overwrite it's contents or create it if it does not exist

            // truncate the file
            if(( flags & SmbFile.O_CREAT ) == SmbFile.O_CREAT ) {
                // create it if necessary
                createDisposition = FILE_OVERWRITE_IF;
            } else {
                createDisposition = FILE_OVERWRITE;
            }
        } else {
            // don't truncate the file

   * the sequence will be returned as a string with no changes to the content.
   *
   * <p>Examples:
   *
   * <pre>{@code
   * Ascii.truncate("foobar", 7, "..."); // returns "foobar"
   * Ascii.truncate("foobar", 5, "..."); // returns "fo..."
   * }</pre>
   *
   * <p><b>Note:</b> This method <i>may</i> work with certain non-ASCII text but is not safe for use

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;

/**
 * Modes for opening a file for writing. The default when mode when none is specified is to truncate
 * the file before writing.
 *
 * @author Colin Decker
 */
@J2ktIncompatible
@GwtIncompatible
@ElementTypesAreNonnullByDefault
public enum FileWriteMode {

            // truncate the file
            if(( flags & SmbFile.O_CREAT ) == SmbFile.O_CREAT ) {
                // create it if necessary
                openFunction = OPEN_FN_TRUNC | OPEN_FN_CREATE;
            } else {
                openFunction = OPEN_FN_TRUNC;
            }
        } else {
            // don't truncate the file