Mercurial > hg > truffle
view graal/com.oracle.graal.tests/src/com/oracle/graal/compiler/tests/ConditionTest.java @ 5528:751b6ab65d54
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Fri, 08 Jun 2012 18:35:28 +0200 |
parents | dc71b06d09f8 |
children | e18ba36bfebc |
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/* * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.compiler.tests; import static org.junit.Assert.*; import java.util.*; import org.junit.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.nodes.calc.*; public class ConditionTest { @Test public void testImplies() { Random rand = new Random(13); for (Condition c1 : Condition.values()) { for (Condition c2 : Condition.values()) { boolean implies = c1.implies(c2); if (implies) { for (int i = 0; i < 1000; i++) { RiConstant a = RiConstant.forInt(rand.nextInt()); RiConstant b = RiConstant.forInt(i < 100 ? a.asInt() : rand.nextInt()); boolean result1 = c1.foldCondition(a, b, null, false); boolean result2 = c2.foldCondition(a, b, null, false); if (result1 && implies) { assertTrue(result2); } } } } } } @Test public void testJoin() { Random rand = new Random(13); for (Condition c1 : Condition.values()) { for (Condition c2 : Condition.values()) { Condition join = c1.join(c2); assertTrue(join == c2.join(c1)); if (join != null) { for (int i = 0; i < 1000; i++) { RiConstant a = RiConstant.forInt(rand.nextInt()); RiConstant b = RiConstant.forInt(i < 100 ? a.asInt() : rand.nextInt()); boolean result1 = c1.foldCondition(a, b, null, false); boolean result2 = c2.foldCondition(a, b, null, false); boolean resultJoin = join.foldCondition(a, b, null, false); if (result1 && result2) { assertTrue(resultJoin); } } } } } } @Test public void testMeet() { Random rand = new Random(13); for (Condition c1 : Condition.values()) { for (Condition c2 : Condition.values()) { Condition meet = c1.meet(c2); assertTrue(meet == c2.meet(c1)); if (meet != null) { for (int i = 0; i < 1000; i++) { RiConstant a = RiConstant.forInt(rand.nextInt()); RiConstant b = RiConstant.forInt(i < 100 ? a.asInt() : rand.nextInt()); boolean result1 = c1.foldCondition(a, b, null, false); boolean result2 = c2.foldCondition(a, b, null, false); boolean resultMeet = meet.foldCondition(a, b, null, false); if (result1 || result2) { assertTrue(resultMeet); } } } } } } }