author | duke |
Wed, 05 Jul 2017 19:51:52 +0200 (2017-07-05) | |
changeset 25650 | de3462562eaa |
parent 22911 | ff49c48c887d |
child 27453 | 9aeb9b97bef6 |
permissions | -rw-r--r-- |
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/* |
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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 AddExactIRepeatTest.java Verify.java |
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* @run main AddExactIRepeatTest |
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* |
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*/ |
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public class AddExactIRepeatTest { |
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public static void main(String[] args) { |
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runTest(new Verify.AddExactI()); |
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} |
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public static int nonExact(int x, int y, Verify.BinaryMethod method) { |
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int result = method.unchecked(x, y); |
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result += method.unchecked(x, y); |
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result += method.unchecked(x, y); |
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result += method.unchecked(x, y); |
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return result; |
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} |
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public static void runTest(Verify.BinaryMethod method) { |
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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); |
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int c = rnd.nextInt() / 2; |
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int d = rnd.nextInt() / 2; |
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int a = catchingExact(x, y, method); |
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if (a != 36) { |
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throw new RuntimeException("a != 36 : " + a); |
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} |
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int b = nonExact(c, d, method); |
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int n = exact(c, d, method); |
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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 exact(int x, int y, Verify.BinaryMethod method) { |
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int result = 0; |
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result += method.checkMethod(x, y); |
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result += method.checkMethod(x, y); |
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result += method.checkMethod(x, y); |
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result += method.checkMethod(x, y); |
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return result; |
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} |
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public static int catchingExact(int x, int y, Verify.BinaryMethod method) { |
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int result = 0; |
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try { |
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result += 5; |
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result = method.checkMethod(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 += method.checkMethod(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 += method.checkMethod(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 += method.checkMethod(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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} |