1 /* 2 * Copyright (c) 2002, 2005, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * 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 }