1 /* 2 * Copyright (c) 2013, 2015, 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 8025657 27 * @summary Test repeating addExact 28 * @library /testlibrary 29 * @modules java.base/jdk.internal.misc 30 * java.management 31 * @compile AddExactIRepeatTest.java Verify.java 32 * @run main AddExactIRepeatTest 33 * 34 */ 35 36 import jdk.test.lib.Utils; 37 import java.util.Random; 38 39 public class AddExactIRepeatTest { 40 public static void main(String[] args) { 41 runTest(new Verify.AddExactI()); 42 } 43 44 public static int nonExact(int x, int y, Verify.BinaryMethod method) { 45 int result = method.unchecked(x, y); 46 result += method.unchecked(x, y); 47 result += method.unchecked(x, y); 48 result += method.unchecked(x, y); 49 return result; 50 } 51 52 public static void runTest(Verify.BinaryMethod method) { 53 Random rnd = Utils.getRandomInstance(); 54 for (int i = 0; i < 50000; ++i) { 55 int x = Integer.MAX_VALUE - 10; 56 int y = Integer.MAX_VALUE - 10 + rnd.nextInt(5); 57 58 int c = rnd.nextInt() / 2; 59 int d = rnd.nextInt() / 2; 60 61 int a = catchingExact(x, y, method); 62 63 if (a != 36) { 64 throw new RuntimeException("a != 36 : " + a); 65 } 66 67 int b = nonExact(c, d, method); 68 int n = exact(c, d, method); 69 70 71 if (n != b) { 72 throw new RuntimeException("n != b : " + n + " != " + b); 73 } 74 } 75 } 76 77 public static int exact(int x, int y, Verify.BinaryMethod method) { 78 int result = 0; 79 result += method.checkMethod(x, y); 80 result += method.checkMethod(x, y); 81 result += method.checkMethod(x, y); 82 result += method.checkMethod(x, y); 83 return result; 84 } 85 86 public static int catchingExact(int x, int y, Verify.BinaryMethod method) { 87 int result = 0; 88 try { 89 result += 5; 90 result = method.checkMethod(x, y); 91 } catch (ArithmeticException e) { 92 result += 1; 93 } 94 try { 95 result += 6; 96 97 result += method.checkMethod(x, y); 98 } catch (ArithmeticException e) { 99 result += 2; 100 } 101 try { 102 result += 7; 103 result += method.checkMethod(x, y); 104 } catch (ArithmeticException e) { 105 result += 3; 106 } 107 try { 108 result += 8; 109 result += method.checkMethod(x, y); 110 } catch (ArithmeticException e) { 111 result += 4; 112 } 113 return result; 114 } 115 }