jdk/src/share/classes/java/lang/AssertionError.java
changeset 2 90ce3da70b43
child 1320 2412b1562801
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/java/lang/AssertionError.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,150 @@
+/*
+ * Copyright 2000-2006 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+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>.
+ *
+ * @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);
+    }
+}