/*
* @(#)AssertionError.java 1.9 06/04/07
*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package java.lang;
/**
* Thrown to indicate that an assertion has failed.
*
* <p>The seven one-argument public constructors provided by this
* class ensure that the assertion error returned by the invocation:
* <pre>
* new AssertionError(<i>expression</i>)
* </pre>
* has as its detail message the <i>string conversion</i> of
* <i>expression</i> (as defined in <a
* href="http://java.sun.com/docs/books/jls/second_edition/html/j.title.doc.html">
* <i>The Java Language Specification, Second Edition</i></a>,
* <a href="http://java.sun.com/docs/books/jls/second_edition/html/expressions.doc.html#40220">
* Section 15.18.1.1</a>), regardless of the type of <i>expression</i>.
*
* @version 1.9, 04/07/06
* @since 1.4
*/
public class AssertionError extends Error {
/**
* Constructs an AssertionError with no detail message.
*/
public AssertionError() {
}
/**
* This internal constructor does no processing on its string argument,
* even if it is a null reference. The public constructors will
* never call this constructor with a null argument.
*/
private AssertionError(String detailMessage) {
super(detailMessage);
}
/**
* Constructs an AssertionError with its detail message derived
* from the specified object, which is converted to a string as
* defined in <i>The Java Language Specification, Second
* Edition</i>, Section 15.18.1.1.
*<p>
* If the specified object is an instance of <tt>Throwable</tt>, it
* becomes the <i>cause</i> of the newly constructed assertion error.
*
* @param detailMessage value to be used in constructing detail message
* @see Throwable#getCause()
*/
public AssertionError(Object detailMessage) {
this("" + detailMessage);
if (detailMessage instanceof Throwable)
initCause((Throwable) detailMessage);
}
/**
* Constructs an AssertionError with its detail message derived
* from the specified <code>boolean</code>, which is converted to
* a string as defined in <i>The Java Language Specification,
* Second Edition</i>, Section 15.18.1.1.
*
* @param detailMessage value to be used in constructing detail message
*/
public AssertionError(boolean detailMessage) {
this("" + detailMessage);
}
/**
* Constructs an AssertionError with its detail message derived
* from the specified <code>char</code>, which is converted to a
* string as defined in <i>The Java Language Specification, Second
* Edition</i>, Section 15.18.1.1.
*
* @param detailMessage value to be used in constructing detail message
*/
public AssertionError(char detailMessage) {
this("" + detailMessage);
}
/**
* Constructs an AssertionError with its detail message derived
* from the specified <code>int</code>, which is converted to a
* string as defined in <i>The Java Language Specification, Second
* Edition</i>, Section 15.18.1.1.
*
* @param detailMessage value to be used in constructing detail message
*/
public AssertionError(int detailMessage) {
this("" + detailMessage);
}
/**
* Constructs an AssertionError with its detail message derived
* from the specified <code>long</code>, which is converted to a
* string as defined in <i>The Java Language Specification, Second
* Edition</i>, Section 15.18.1.1.
*
* @param detailMessage value to be used in constructing detail message
*/
public AssertionError(long detailMessage) {
this("" + detailMessage);
}
/**
* Constructs an AssertionError with its detail message derived
* from the specified <code>float</code>, which is converted to a
* string as defined in <i>The Java Language Specification, Second
* Edition</i>, Section 15.18.1.1.
*
* @param detailMessage value to be used in constructing detail message
*/
public AssertionError(float detailMessage) {
this("" + detailMessage);
}
/**
* Constructs an AssertionError with its detail message derived
* from the specified <code>double</code>, which is converted to a
* string as defined in <i>The Java Language Specification, Second
* Edition</i>, Section 15.18.1.1.
*
* @param detailMessage value to be used in constructing detail message
*/
public AssertionError(double detailMessage) {
this("" + detailMessage);
}
}
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