1 /* 2 * Copyright (c) 2011, 2014, 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 /** 26 * @test 27 * @bug 7052494 28 * @summary Eclipse test fails on JDK 7 b142 29 * 30 * @run main/othervm -Xbatch Test7052494 31 */ 32 33 34 public class Test7052494 { 35 36 static int test1(int i, int limit) { 37 int result = 0; 38 while (i++ != 0) { 39 if (result >= limit) 40 break; 41 result = i*2; 42 } 43 return result; 44 } 45 46 static int test2(int i, int limit) { 47 int result = 0; 48 while (i-- != 0) { 49 if (result <= limit) 50 break; 51 result = i*2; 52 } 53 return result; 54 } 55 56 static void test3(int i, int limit, int arr[]) { 57 while (i++ != 0) { 58 if (arr[i-1] >= limit) 59 break; 60 arr[i] = i*2; 61 } 62 } 63 64 static void test4(int i, int limit, int arr[]) { 65 while (i-- != 0) { 66 if (arr[arr.length + i + 1] <= limit) 67 break; 68 arr[arr.length + i] = i*2; 69 } 70 } 71 72 // Empty loop rolls through MAXINT if i > 0 73 74 static final int limit5 = Integer.MIN_VALUE + 10000; 75 76 static int test5(int i) { 77 int result = 0; 78 while (i++ != limit5) { 79 result = i*2; 80 } 81 return result; 82 } 83 84 // Empty loop rolls through MININT if i < 0 85 86 static final int limit6 = Integer.MAX_VALUE - 10000; 87 88 static int test6(int i) { 89 int result = 0; 90 while (i-- != limit6) { 91 result = i*2; 92 } 93 return result; 94 } 95 96 public static void main(String [] args) { 97 boolean failed = false; 98 int[] arr = new int[8]; 99 int[] ar3 = { 0, 0, 4, 6, 8, 10, 0, 0 }; 100 int[] ar4 = { 0, 0, 0, -10, -8, -6, -4, 0 }; 101 System.out.println("test1"); 102 for (int i = 0; i < 11000; i++) { 103 int k = test1(1, 10); 104 if (k != 10) { 105 System.out.println("FAILED: " + k + " != 10"); 106 failed = true; 107 break; 108 } 109 } 110 System.out.println("test2"); 111 for (int i = 0; i < 11000; i++) { 112 int k = test2(-1, -10); 113 if (k != -10) { 114 System.out.println("FAILED: " + k + " != -10"); 115 failed = true; 116 break; 117 } 118 } 119 System.out.println("test3"); 120 for (int i = 0; i < 11000; i++) { 121 java.util.Arrays.fill(arr, 0); 122 test3(1, 10, arr); 123 if (!java.util.Arrays.equals(arr,ar3)) { 124 System.out.println("FAILED: arr = { " + arr[0] + ", " 125 + arr[1] + ", " 126 + arr[2] + ", " 127 + arr[3] + ", " 128 + arr[4] + ", " 129 + arr[5] + ", " 130 + arr[6] + ", " 131 + arr[7] + " }"); 132 failed = true; 133 break; 134 } 135 } 136 System.out.println("test4"); 137 for (int i = 0; i < 11000; i++) { 138 java.util.Arrays.fill(arr, 0); 139 test4(-1, -10, arr); 140 if (!java.util.Arrays.equals(arr,ar4)) { 141 System.out.println("FAILED: arr = { " + arr[0] + ", " 142 + arr[1] + ", " 143 + arr[2] + ", " 144 + arr[3] + ", " 145 + arr[4] + ", " 146 + arr[5] + ", " 147 + arr[6] + ", " 148 + arr[7] + " }"); 149 failed = true; 150 break; 151 } 152 } 153 System.out.println("test5"); 154 for (int i = 0; i < 11000; i++) { 155 int k = test5(limit6); 156 if (k != limit5*2) { 157 System.out.println("FAILED: " + k + " != " + limit5*2); 158 failed = true; 159 break; 160 } 161 } 162 System.out.println("test6"); 163 for (int i = 0; i < 11000; i++) { 164 int k = test6(limit5); 165 if (k != limit6*2) { 166 System.out.println("FAILED: " + k + " != " + limit6*2); 167 failed = true; 168 break; 169 } 170 } 171 System.out.println("finish"); 172 if (failed) 173 System.exit(97); 174 } 175 }