1 /* 2 * Copyright (c) 2012, 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 package org.graalvm.compiler.core.test; 24 25 import static org.junit.Assert.assertEquals; 26 import static org.junit.Assert.assertFalse; 27 import static org.junit.Assert.assertTrue; 28 29 import java.util.Random; 30 31 import jdk.vm.ci.meta.JavaConstant; 32 33 import org.junit.Test; 34 35 import org.graalvm.compiler.core.common.calc.Condition; 36 37 public class ConditionTest { 38 39 @Test 40 public void testImplies() { 41 Random rand = new Random(13); 42 for (Condition c1 : Condition.values()) { 43 for (Condition c2 : Condition.values()) { 44 boolean implies = c1.implies(c2); 45 if (implies) { 46 for (int i = 0; i < 1000; i++) { 47 JavaConstant a = JavaConstant.forInt(rand.nextInt()); 48 JavaConstant b = JavaConstant.forInt(i < 100 ? a.asInt() : rand.nextInt()); 49 boolean result1 = c1.foldCondition(a, b, null, false); 50 boolean result2 = c2.foldCondition(a, b, null, false); 51 if (result1) { 52 assertTrue(result2); 53 } 54 } 55 } 56 } 57 } 58 } 59 60 @Test 61 public void testJoin() { 62 Random rand = new Random(13); 63 for (Condition c1 : Condition.values()) { 64 for (Condition c2 : Condition.values()) { 65 Condition join = c1.join(c2); 66 assertEquals(join, c2.join(c1)); 67 if (join != null) { 68 for (int i = 0; i < 1000; i++) { 69 JavaConstant a = JavaConstant.forInt(rand.nextInt()); 70 JavaConstant b = JavaConstant.forInt(i < 100 ? a.asInt() : rand.nextInt()); 71 boolean result1 = c1.foldCondition(a, b, null, false); 72 boolean result2 = c2.foldCondition(a, b, null, false); 73 boolean resultJoin = join.foldCondition(a, b, null, false); 74 if (result1 && result2) { 75 assertTrue(resultJoin); 76 } else { 77 assertFalse(resultJoin); 78 } 79 } 80 } 81 } 82 } 83 } 84 85 @Test 86 public void testMeet() { 87 Random rand = new Random(13); 88 for (Condition c1 : Condition.values()) { 89 for (Condition c2 : Condition.values()) { 90 Condition meet = c1.meet(c2); 91 assertEquals(meet, c2.meet(c1)); 92 if (meet != null) { 93 for (int i = 0; i < 1000; i++) { 94 JavaConstant a = JavaConstant.forInt(rand.nextInt()); 95 JavaConstant b = JavaConstant.forInt(i < 100 ? a.asInt() : rand.nextInt()); 96 boolean result1 = c1.foldCondition(a, b, null, false); 97 boolean result2 = c2.foldCondition(a, b, null, false); 98 boolean resultMeet = meet.foldCondition(a, b, null, false); 99 if (result1 || result2) { 100 assertTrue(resultMeet); 101 } else { 102 assertFalse(resultMeet); 103 } 104 } 105 } 106 } 107 } 108 } 109 110 }