1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/compiler/intrinsics/mathexact/MulExactIRepeatTest.java Fri Oct 18 10:41:56 2013 +0200
1.3 @@ -0,0 +1,109 @@
1.4 +/*
1.5 + * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +/*
1.28 + * @test
1.29 + * @bug 8026844
1.30 + * @summary Test repeating multiplyExact
1.31 + * @compile MulExactIRepeatTest.java Verify.java
1.32 + * @run main MulExactIRepeatTest
1.33 + *
1.34 + */
1.35 +
1.36 +public class MulExactIRepeatTest {
1.37 + public static void main(String[] args) {
1.38 + runTest(new Verify.MulExactI());
1.39 + }
1.40 +
1.41 + public static int nonExact(int x, int y, Verify.BinaryMethod method) {
1.42 + int result = method.unchecked(x, y);
1.43 + result += method.unchecked(x, y);
1.44 + result += method.unchecked(x, y);
1.45 + result += method.unchecked(x, y);
1.46 + return result;
1.47 + }
1.48 +
1.49 + public static void runTest(Verify.BinaryMethod method) {
1.50 + java.util.Random rnd = new java.util.Random();
1.51 + for (int i = 0; i < 50000; ++i) {
1.52 + int x = Integer.MAX_VALUE - 10;
1.53 + int y = Integer.MAX_VALUE - 10 + rnd.nextInt(5);
1.54 +
1.55 + int c = rnd.nextInt() / 10;
1.56 + int d = rnd.nextInt(9);
1.57 +
1.58 + int a = catchingExact(x, y, method);
1.59 +
1.60 + if (a != 36) {
1.61 + throw new RuntimeException("a != 36 : " + a);
1.62 + }
1.63 +
1.64 + int b = nonExact(c, d, method);
1.65 + int n = exact(c, d, method);
1.66 +
1.67 +
1.68 + if (n != b) {
1.69 + throw new RuntimeException("n != b : " + n + " != " + b);
1.70 + }
1.71 + }
1.72 + }
1.73 +
1.74 + public static int exact(int x, int y, Verify.BinaryMethod method) {
1.75 + int result = 0;
1.76 + result += method.checkMethod(x, y);
1.77 + result += method.checkMethod(x, y);
1.78 + result += method.checkMethod(x, y);
1.79 + result += method.checkMethod(x, y);
1.80 + return result;
1.81 + }
1.82 +
1.83 + public static int catchingExact(int x, int y, Verify.BinaryMethod method) {
1.84 + int result = 0;
1.85 + try {
1.86 + result += 5;
1.87 + result = method.checkMethod(x, y);
1.88 + } catch (ArithmeticException e) {
1.89 + result += 1;
1.90 + }
1.91 + try {
1.92 + result += 6;
1.93 +
1.94 + result += method.checkMethod(x, y);
1.95 + } catch (ArithmeticException e) {
1.96 + result += 2;
1.97 + }
1.98 + try {
1.99 + result += 7;
1.100 + result += method.checkMethod(x, y);
1.101 + } catch (ArithmeticException e) {
1.102 + result += 3;
1.103 + }
1.104 + try {
1.105 + result += 8;
1.106 + result += method.checkMethod(x, y);
1.107 + } catch (ArithmeticException e) {
1.108 + result += 4;
1.109 + }
1.110 + return result;
1.111 + }
1.112 +}
