/*

 * Copyright (c) 2002, 2005, Oracle and/or its affiliates. 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.

 *

 * 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/**

 * @test

 * @bug 4414306 6248507

 * @summary Verify that exceptions are thrown as expected.

 */

public class Exceptions {

    private static boolean ok = true;

     private static void fail(Throwable ex, String s, Throwable got) {

        ok = false;

        System.err.println("expected "

                           + ex.getClass().getName() + ": " + ex.getMessage()

                           + " for " + s

                           + " got "

                           + got.getClass().getName() + ": " + got.getMessage()

                           + " - FAILED");

    }

    private static void pass(String s) {

        System.out.println(s + " -- OK");

    }

    private static void tryCatch(String s, Throwable ex, Runnable thunk) {

        Throwable t = null;

        try {

            thunk.run();

        } catch (Throwable x) {

//          x.printStackTrace();

            if (ex.getClass().isAssignableFrom(x.getClass()))

                t = x;

            else

                x.printStackTrace();

        }

        if ((t == null) && (ex != null))

            fail(ex, s, t);

        String msg = (ex == null ? null : ex.getMessage());

        if ((msg != null) && !msg.equals(t.getMessage()))

            fail(ex, s, t);

        else

            pass(s);

    }

    public static void main(String [] args) {

        System.out.println("StringBuffer()");

        tryCatch("  no args", null, new Runnable() {

                public void run() {

                    new StringBuffer();

                }});

        System.out.println("StringBuffer(int length)");

        tryCatch("  1", null, new Runnable() {

                public void run() {

                    new StringBuffer(1);

                }});

        tryCatch("  -1", new NegativeArraySizeException(), new Runnable() {

                public void run() {

                    new StringBuffer(-1);

                }});

        System.out.println("StringBuffer(String str)");

        tryCatch("  null", new NullPointerException(), new Runnable() {

                public void run() {

                    new StringBuffer(null);

                }});

        tryCatch("  foo", null, new Runnable() {

                public void run() {

                    new StringBuffer("foo");

                }});

        System.out.println("StringBuffer.replace(int start, int end, String str)");

        tryCatch("  -1, 2, \" \"",

                 new StringIndexOutOfBoundsException("start -1, end 2, length 7"),

                 new Runnable() {

                public void run() {

                    StringBuffer sb = new StringBuffer("hilbert");

                    sb.replace(-1, 2, " ");

                }});

        tryCatch("  7, 8, \" \"",

                 new StringIndexOutOfBoundsException("start 7, end 6, length 6"),

                 new Runnable() {

                public void run() {

                    StringBuffer sb = new StringBuffer("banach");

                    sb.replace(7, 8, " ");

                }});

        tryCatch("  2, 1, \" \"",

                 new StringIndexOutOfBoundsException("start 2, end 1, length 7"),

                 new Runnable() {

                public void run() {

                    StringBuffer sb = new StringBuffer("riemann");

                    sb.replace(2, 1, " ");

                }});

        if (!ok)

            throw new RuntimeException("Some tests FAILED");

        else

            System.out.println("All tests PASSED");

    }

}