Mercurial > hg > truffle
annotate test/compiler/intrinsics/mathexact/SubExactIRepeatTest.java @ 15444:be6685c6a831
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author | Miguel Garcia <miguel.m.garcia@oracle.com> |
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date | Tue, 29 Apr 2014 18:07:41 +0200 |
parents | 4ca6dc0799b6 |
children | 52b4284cb496 |
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1 /* |
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /* |
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25 * @test |
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26 * @bug 8026844 |
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27 * @summary Test repeating subtractExact |
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28 * @compile SubExactIRepeatTest.java Verify.java |
14909 | 29 * @run main SubExactIRepeatTest -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockExperimentalVMOptions -XX:+UseMathExactIntrinsics |
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30 * |
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31 */ |
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32 |
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33 import java.lang.ArithmeticException; |
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34 |
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35 public class SubExactIRepeatTest { |
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36 public static void main(String[] args) { |
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37 runTest(new Verify.SubExactI()); |
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38 } |
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39 |
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40 public static int nonExact(int x, int y, Verify.BinaryMethod method) { |
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41 int result = method.unchecked(x, y); |
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42 result += method.unchecked(x, y); |
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43 result += method.unchecked(x, y); |
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44 result += method.unchecked(x, y); |
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45 return result; |
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46 } |
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47 |
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48 public static void runTest(Verify.BinaryMethod method) { |
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49 java.util.Random rnd = new java.util.Random(); |
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50 for (int i = 0; i < 50000; ++i) { |
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51 int x = Integer.MIN_VALUE + 10; |
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52 int y = Integer.MAX_VALUE - 10 + rnd.nextInt(5); |
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53 |
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54 int c = rnd.nextInt() / 2; |
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55 int d = rnd.nextInt() / 2; |
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56 |
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57 int a = catchingExact(x, y, method); |
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58 |
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59 if (a != 36) { |
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60 throw new RuntimeException("a != 36 : " + a); |
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61 } |
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62 |
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63 int b = nonExact(c, d, method); |
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64 int n = exact(c, d, method); |
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65 |
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66 |
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67 if (n != b) { |
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68 throw new RuntimeException("n != b : " + n + " != " + b); |
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69 } |
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70 } |
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71 } |
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72 |
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73 public static int exact(int x, int y, Verify.BinaryMethod method) { |
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74 int result = 0; |
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75 result += method.checkMethod(x, y); |
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76 result += method.checkMethod(x, y); |
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77 result += method.checkMethod(x, y); |
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78 result += method.checkMethod(x, y); |
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79 return result; |
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80 } |
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81 |
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82 public static int catchingExact(int x, int y, Verify.BinaryMethod method) { |
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83 int result = 0; |
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84 try { |
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85 result += 5; |
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86 result = method.checkMethod(x, y); |
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87 } catch (ArithmeticException e) { |
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88 result += 1; |
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89 } |
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90 try { |
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91 result += 6; |
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92 |
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93 result += method.checkMethod(x, y); |
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94 } catch (ArithmeticException e) { |
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95 result += 2; |
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96 } |
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97 try { |
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98 result += 7; |
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99 result += method.checkMethod(x, y); |
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100 } catch (ArithmeticException e) { |
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101 result += 3; |
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102 } |
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103 try { |
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104 result += 8; |
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105 result += method.checkMethod(x, y); |
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106 } catch (ArithmeticException e) { |
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107 result += 4; |
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108 } |
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109 return result; |
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110 } |
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111 } |