Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.truffle.test/src/com/oracle/graal/truffle/test/AssumptionPartialEvaluationTest.java @ 20804:7848fc12602b
Merge with jdk8u40-b25
author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
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date | Tue, 07 Apr 2015 14:58:49 +0200 |
parents | 507093f8df35 |
children |
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/* * Copyright (c) 2013, 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.truffle.test; import org.junit.*; import com.oracle.graal.truffle.*; import com.oracle.graal.truffle.test.nodes.*; import com.oracle.truffle.api.*; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.api.nodes.*; public class AssumptionPartialEvaluationTest extends PartialEvaluationTest { public static Object constant42() { return 42; } @Test public void constantValue() { Assumption assumption = Truffle.getRuntime().createAssumption(); AbstractTestNode result = new ConstantWithAssumptionTestNode(assumption, 42); RootTestNode rootNode = new RootTestNode(new FrameDescriptor(), "constantValue", result); OptimizedCallTarget callTarget = assertPartialEvalEquals("constant42", rootNode); Assert.assertTrue(callTarget.isValid()); assertDeepEquals(42, callTarget.call()); Assert.assertTrue(callTarget.isValid()); try { assumption.check(); } catch (InvalidAssumptionException e) { Assert.fail("Assumption must not have been invalidated."); } assumption.invalidate(); try { assumption.check(); Assert.fail("Assumption must have been invalidated."); } catch (InvalidAssumptionException e) { } Assert.assertFalse(callTarget.isValid()); assertDeepEquals(43, callTarget.call()); } /** * This tests whether a valid Assumption does successfully cut of the branch that is not * executed. */ @Test public void assumptionBranchCutoff() { Assumption assumption = Truffle.getRuntime().createAssumption(); AssumptionCutsBranchTestNode result = new AssumptionCutsBranchTestNode(assumption); RootTestNode rootNode = new RootTestNode(new FrameDescriptor(), "cutoffBranch", result); OptimizedCallTarget compilable = compileHelper("cutoffBranch", rootNode, new Object[0]); for (int i = 0; i < 100000; i++) { Assert.assertEquals(0, compilable.call(new Object[0])); } Assert.assertNull(result.getChildNode()); } }