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1 771 jeremybenn 
/* AssertionError.java -- indication of a failed assertion
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   Copyright (C) 2002, 2005  Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING.  If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library.  Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module.  An independent module is a module which is not derived from
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or based on this library.  If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so.  If you do not wish to do so, delete this
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exception statement from your version. */
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package java.lang;
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/**
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 * An assertion error normally occurs as a result of the <code>assert</code>
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 * statement added in JDK 1.4, to indicate that an assertion failed. There
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 * are enough constructors to ensure that
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 * <code>new AssertionError(<em>expression</em>)</code> will work for all
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 * expressions, regardless of type, as if the error message were given by
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 * the string <code>"" + <em>expression</em></code>. This extends Error,
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 * because you usually do not want to inadvertently trap an assertion failure.
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 *
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 * @author Eric Blake (ebb9@email.byu.edu)
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 * @since 1.4
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 * @status updated to 1.4
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 */
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public class AssertionError extends Error
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{
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  /**
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   * Compatible with JDK 1.4+.
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   */
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  private static final long serialVersionUID = -5013299493970297370L;
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  /**
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   * Construct an AssertionError with no detail message.
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   */
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  public AssertionError()
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  {
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  }
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  /**
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   * Construct an AssertionError with the string conversion of the given
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   * object as its error message. If the object is a Throwable, it is also
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   * set as the cause of this error.
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   *
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   * @param msg the source of the error message
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   * @see Throwable#getCause()
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   */
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  public AssertionError(Object msg)
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  {
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    super("" + msg);
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    if (msg instanceof Throwable)
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      initCause((Throwable) msg);
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  }
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  /**
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   * Construct an AssertionError with the string conversion of the given
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   * boolean as its error message.
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   *
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   * @param msg the source of the error message
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   */
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  public AssertionError(boolean msg)
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  {
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    super(msg ? "true" : "false");
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  }
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  /**
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   * Construct an AssertionError with the string conversion of the given
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   * char as its error message.
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   *
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   * @param msg the source of the error message
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   */
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  public AssertionError(char msg)
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  {
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    super(String.valueOf(msg));
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  }
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  /**
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   * Construct an AssertionError with the string conversion of the given
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   * int as its error message.
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   *
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   * @param msg the source of the error message
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   */
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  public AssertionError(int msg)
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  {
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    super(Integer.toString(msg, 10));
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  }
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  /**
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   * Construct an AssertionError with the string conversion of the given
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   * long as its error message.
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   *
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   * @param msg the source of the error message
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   */
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  public AssertionError(long msg)
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  {
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    super(Long.toString(msg));
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  }
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  /**
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   * Construct an AssertionError with the string conversion of the given
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   * float as its error message.
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   *
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   * @param msg the source of the error message
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   */
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  public AssertionError(float msg)
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  {
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    super(Float.toString(msg));
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  }
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  /**
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   * Construct an AssertionError with the string conversion of the given
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   * double as its error message.
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   *
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   * @param msg the source of the error message
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   */
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  public AssertionError(double msg)
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  {
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    super(Double.toString(msg));
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  }
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}

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