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 import org.graalvm.compiler.test.AddExports; 37 38 @AddExports("jdk.internal.vm.ci/jdk.vm.ci.meta") 39 public class ConditionTest { 40 41 @Test 42 public void testImplies() { 43 Random rand = new Random(13); 44 for (Condition c1 : Condition.values()) { 45 for (Condition c2 : Condition.values()) { 46 boolean implies = c1.implies(c2); 47 if (implies) { 48 for (int i = 0; i < 1000; i++) { 49 JavaConstant a = JavaConstant.forInt(rand.nextInt()); 50 JavaConstant b = JavaConstant.forInt(i < 100 ? a.asInt() : rand.nextInt()); 51 boolean result1 = c1.foldCondition(a, b, null, false); 52 boolean result2 = c2.foldCondition(a, b, null, false); 53 if (result1) { 54 assertTrue(result2); 55 } 56 } 57 } 58 } 59 } 60 } 61 62 @Test 63 public void testJoin() { 64 Random rand = new Random(13); 65 for (Condition c1 : Condition.values()) { 66 for (Condition c2 : Condition.values()) { 67 Condition join = c1.join(c2); 68 assertEquals(join, c2.join(c1)); 69 if (join != null) { 70 for (int i = 0; i < 1000; i++) { 71 JavaConstant a = JavaConstant.forInt(rand.nextInt()); 72 JavaConstant b = JavaConstant.forInt(i < 100 ? a.asInt() : rand.nextInt()); 73 boolean result1 = c1.foldCondition(a, b, null, false); 74 boolean result2 = c2.foldCondition(a, b, null, false); 75 boolean resultJoin = join.foldCondition(a, b, null, false); 76 if (result1 && result2) { 77 assertTrue(resultJoin); 78 } else { 79 assertFalse(resultJoin); 80 } 81 } 82 } 83 } 84 } 85 } 86 87 @Test 88 public void testMeet() { 89 Random rand = new Random(13); 90 for (Condition c1 : Condition.values()) { 91 for (Condition c2 : Condition.values()) { 92 Condition meet = c1.meet(c2); 93 assertEquals(meet, c2.meet(c1)); 94 if (meet != null) { 95 for (int i = 0; i < 1000; i++) { 96 JavaConstant a = JavaConstant.forInt(rand.nextInt()); 97 JavaConstant b = JavaConstant.forInt(i < 100 ? a.asInt() : rand.nextInt()); 98 boolean result1 = c1.foldCondition(a, b, null, false); 99 boolean result2 = c2.foldCondition(a, b, null, false); 100 boolean resultMeet = meet.foldCondition(a, b, null, false); 101 if (result1 || result2) { 102 assertTrue(resultMeet); 103 } else { 104 assertFalse(resultMeet); 105 } 106 } 107 } 108 } 109 } 110 } 111 112 }