Mercurial > hg > graal-compiler
view graal/com.oracle.graal.api.directives.test/src/com/oracle/graal/api/directives/test/DeoptimizeDirectiveTest.java @ 19046:2358c0e65b9e
Unit tests for GraalDirectives API.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Thu, 29 Jan 2015 16:49:03 +0100 |
parents | |
children | 48c1ebd24120 |
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/* * Copyright (c) 2015, 2015, 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.api.directives.test; import org.junit.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.directives.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.test.*; public class DeoptimizeDirectiveTest extends GraalCompilerTest { public static boolean inCompiledCode() { return GraalDirectives.inCompiledCode(); } @Test public void testInCompiledCode() { ResolvedJavaMethod method = getResolvedJavaMethod("inCompiledCode"); Result interpreted = executeExpected(method, null); assertEquals(new Result(false, null), interpreted); Result compiled = executeActual(method, null); assertEquals(new Result(true, null), compiled); } public static boolean deoptimizeSnippet() { GraalDirectives.deoptimize(); return GraalDirectives.inCompiledCode(); // should always return false } public static boolean deoptimizeAndInvalidateSnippet() { GraalDirectives.deoptimizeAndInvalidate(); return GraalDirectives.inCompiledCode(); // should always return false } @Test public void testDeoptimize() { test("deoptimizeSnippet"); } private boolean testDeoptimizeCheckValid(ResolvedJavaMethod method) { Result expected = executeExpected(method, null); InstalledCode code = getCode(method); Result actual; try { actual = new Result(code.executeVarargs(), null); } catch (Throwable e) { actual = new Result(null, e); } assertEquals(expected, actual); return code.isValid(); } @Test public void testDeoptimizeAndInvalidate() { ResolvedJavaMethod method = getResolvedJavaMethod("deoptimizeAndInvalidateSnippet"); boolean valid = testDeoptimizeCheckValid(method); Assert.assertFalse("code should be invalidated", valid); } @Test public void testDeoptimizeDontInvalidate() { ResolvedJavaMethod method = getResolvedJavaMethod("deoptimizeSnippet"); boolean valid = testDeoptimizeCheckValid(method); Assert.assertTrue("code should still be valid", valid); } }