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107 lines
2.9 KiB
Java
107 lines
2.9 KiB
Java
/*
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* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8025657
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* @summary Test repeating addExact
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* @compile RepeatTest.java
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* @run main RepeatTest
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*
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*/
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import java.lang.ArithmeticException;
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public class RepeatTest {
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public static void main(String[] args) {
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java.util.Random rnd = new java.util.Random();
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for (int i = 0; i < 50000; ++i) {
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int x = Integer.MAX_VALUE - 10;
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int y = Integer.MAX_VALUE - 10 + rnd.nextInt(5); //rnd.nextInt() / 2;
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int c = rnd.nextInt() / 2;
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int d = rnd.nextInt() / 2;
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int a = addExact(x, y);
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if (a != 36) {
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throw new RuntimeException("a != 0 : " + a);
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}
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int b = nonExact(c, d);
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int n = addExact2(c, d);
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if (n != b) {
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throw new RuntimeException("n != b : " + n + " != " + b);
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}
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}
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}
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public static int addExact2(int x, int y) {
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int result = 0;
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result += java.lang.Math.addExact(x, y);
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result += java.lang.Math.addExact(x, y);
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result += java.lang.Math.addExact(x, y);
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result += java.lang.Math.addExact(x, y);
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return result;
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}
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public static int addExact(int x, int y) {
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int result = 0;
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try {
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result += 5;
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result = java.lang.Math.addExact(x, y);
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} catch (ArithmeticException e) {
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result += 1;
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}
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try {
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result += 6;
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result += java.lang.Math.addExact(x, y);
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} catch (ArithmeticException e) {
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result += 2;
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}
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try {
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result += 7;
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result += java.lang.Math.addExact(x, y);
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} catch (ArithmeticException e) {
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result += 3;
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}
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try {
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result += 8;
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result += java.lang.Math.addExact(x, y);
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} catch (ArithmeticException e) {
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result += 4;
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}
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return result;
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}
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public static int nonExact(int x, int y) {
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int result = x + y;
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result += x + y;
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result += x + y;
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result += x + y;
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return result;
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}
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}
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