1 /*

     2  * Copyright 2002-2005 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    23 

    24 /**

    25  * @test

    26  * @bug 4414306 6248507

    27  * @summary Verify that exceptions are thrown as expected.

    28  */

    29 

    30 public class Exceptions {

    31     private static boolean ok = true;

    32 

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

    34         ok = false;

    35         System.err.println("expected "

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

    37                            + " for " + s

    38                            + " got "

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

    40                            + " - FAILED");

    41     }

    42 

    43     private static void pass(String s) {

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

    45     }

    46 

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

    48         Throwable t = null;

    49         try {

    50             thunk.run();

    51         } catch (Throwable x) {

    52 //          x.printStackTrace();

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

    54                 t = x;

    55             else

    56                 x.printStackTrace();

    57         }

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

    59             fail(ex, s, t);

    60 

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

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

    63             fail(ex, s, t);

    64         else

    65             pass(s);

    66     }

    67 

    68     public static void main(String [] args) {

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

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

    71                 public void run() {

    72                     new StringBuffer();

    73                 }});

    74 

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

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

    77                 public void run() {

    78                     new StringBuffer(1);

    79                 }});

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

    81                 public void run() {

    82                     new StringBuffer(-1);

    83                 }});

    84 

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

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

    87                 public void run() {

    88                     new StringBuffer(null);

    89                 }});

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

    91                 public void run() {

    92                     new StringBuffer("foo");

    93                 }});

    94 

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

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

    97                  new StringIndexOutOfBoundsException(-1),

    98                  new Runnable() {

    99                 public void run() {

   100                     StringBuffer sb = new StringBuffer("hilbert");

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

   102                 }});

   103 

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

   105                  new StringIndexOutOfBoundsException("start > length()"),

   106                  new Runnable() {

   107                 public void run() {

   108                     StringBuffer sb = new StringBuffer("banach");

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

   110                 }});

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

   112                  new StringIndexOutOfBoundsException("start > end"),

   113                  new Runnable() {

   114                 public void run() {

   115                     StringBuffer sb = new StringBuffer("riemann");

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

   117                 }});

   118 

   119         if (!ok)

   120             throw new RuntimeException("Some tests FAILED");

   121         else

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

   123     }

   124 }