1 /* 2 * Copyright (c) 2013, 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 8026844 27 * @summary Test repeating subtractExact 28 * @compile SubExactIRepeatTest.java Verify.java 29 * @run main SubExactIRepeatTest 30 * 31 */ 32 33 import java.lang.ArithmeticException; 34 35 public class SubExactIRepeatTest { 36 public static void main(String[] args) { 37 runTest(new Verify.SubExactI()); 38 } 39 40 public static int nonExact(int x, int y, Verify.BinaryMethod method) { 41 int result = method.unchecked(x, y); 42 result += method.unchecked(x, y); 43 result += method.unchecked(x, y); 44 result += method.unchecked(x, y); 45 return result; 46 } 47 48 public static void runTest(Verify.BinaryMethod method) { 49 java.util.Random rnd = new java.util.Random(); 50 for (int i = 0; i < 50000; ++i) { 51 int x = Integer.MIN_VALUE + 10; 52 int y = Integer.MAX_VALUE - 10 + rnd.nextInt(5); 53 54 int c = rnd.nextInt() / 2; 55 int d = rnd.nextInt() / 2; 56 57 int a = catchingExact(x, y, method); 58 59 if (a != 36) { 60 throw new RuntimeException("a != 36 : " + a); 61 } 62 63 int b = nonExact(c, d, method); 64 int n = exact(c, d, method); 65 66 67 if (n != b) { 68 throw new RuntimeException("n != b : " + n + " != " + b); 69 } 70 } 71 } 72 73 public static int exact(int x, int y, Verify.BinaryMethod method) { 74 int result = 0; 75 result += method.checkMethod(x, y); 76 result += method.checkMethod(x, y); 77 result += method.checkMethod(x, y); 78 result += method.checkMethod(x, y); 79 return result; 80 } 81 82 public static int catchingExact(int x, int y, Verify.BinaryMethod method) { 83 int result = 0; 84 try { 85 result += 5; 86 result = method.checkMethod(x, y); 87 } catch (ArithmeticException e) { 88 result += 1; 89 } 90 try { 91 result += 6; 92 93 result += method.checkMethod(x, y); 94 } catch (ArithmeticException e) { 95 result += 2; 96 } 97 try { 98 result += 7; 99 result += method.checkMethod(x, y); 100 } catch (ArithmeticException e) { 101 result += 3; 102 } 103 try { 104 result += 8; 105 result += method.checkMethod(x, y); 106 } catch (ArithmeticException e) { 107 result += 4; 108 } 109 return result; 110 } 111 }