1 /* 2 * Copyright (c) 2013, 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 * @test 26 * @bug 8026844 27 * @summary Test repeating subtractExact 28 * @library /testlibrary 29 * @build com.oracle.java.testlibrary.* 30 * @compile SubExactIRepeatTest.java Verify.java 31 * @run main SubExactIRepeatTest 32 * 33 */ 34 35 import com.oracle.java.testlibrary.Utils; 36 import java.util.Random; 37 38 public class SubExactIRepeatTest { 39 public static void main(String[] args) { 40 runTest(new Verify.SubExactI()); 41 } 42 43 public static int nonExact(int x, int y, Verify.BinaryMethod method) { 44 int result = method.unchecked(x, y); 45 result += method.unchecked(x, y); 46 result += method.unchecked(x, y); 47 result += method.unchecked(x, y); 48 return result; 49 } 50 51 public static void runTest(Verify.BinaryMethod method) { 52 Random rnd = Utils.getRandomInstance(); 53 for (int i = 0; i < 50000; ++i) { 54 int x = Integer.MIN_VALUE + 10; 55 int y = Integer.MAX_VALUE - 10 + rnd.nextInt(5); 56 57 int c = rnd.nextInt() / 2; 58 int d = rnd.nextInt() / 2; 59 60 int a = catchingExact(x, y, method); 61 62 if (a != 36) { 63 throw new RuntimeException("a != 36 : " + a); 64 } 65 66 int b = nonExact(c, d, method); 67 int n = exact(c, d, method); 68 69 70 if (n != b) { 71 throw new RuntimeException("n != b : " + n + " != " + b); 72 } 73 } 74 } 75 76 public static int exact(int x, int y, Verify.BinaryMethod method) { 77 int result = 0; 78 result += method.checkMethod(x, y); 79 result += method.checkMethod(x, y); 80 result += method.checkMethod(x, y); 81 result += method.checkMethod(x, y); 82 return result; 83 } 84 85 public static int catchingExact(int x, int y, Verify.BinaryMethod method) { 86 int result = 0; 87 try { 88 result += 5; 89 result = method.checkMethod(x, y); 90 } catch (ArithmeticException e) { 91 result += 1; 92 } 93 try { 94 result += 6; 95 96 result += method.checkMethod(x, y); 97 } catch (ArithmeticException e) { 98 result += 2; 99 } 100 try { 101 result += 7; 102 result += method.checkMethod(x, y); 103 } catch (ArithmeticException e) { 104 result += 3; 105 } 106 try { 107 result += 8; 108 result += method.checkMethod(x, y); 109 } catch (ArithmeticException e) { 110 result += 4; 111 } 112 return result; 113 } 114 }