Mercurial > hg > graal-compiler
view test/gc/whitebox/TestWBGC.java @ 22334:ac7992eb97c8
LinearScan/Interval: allow use positions at opId 0.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Thu, 16 Jul 2015 17:19:46 +0200 |
parents | b95d569d10c1 |
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/* * Copyright (c) 2014, 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. */ /* * @test TestWBGC * @bug 8055098 * @summary Test verify that WB methods isObjectInOldGen and youngGC works correctly. * @library /testlibrary /testlibrary/whitebox * @build TestWBGC * @run main ClassFileInstaller sun.hotspot.WhiteBox * @run driver TestWBGC */ import com.oracle.java.testlibrary.*; import sun.hotspot.WhiteBox; public class TestWBGC { public static void main(String args[]) throws Exception { ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( true, "-Xbootclasspath/a:.", "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI", "-XX:MaxTenuringThreshold=1", "-XX:+PrintGC", GCYoungTest.class.getName()); OutputAnalyzer output = new OutputAnalyzer(pb.start()); System.out.println(output.getStdout()); output.shouldHaveExitValue(0); output.shouldContain("WhiteBox Initiated Young GC"); output.shouldNotContain("Full"); // To be sure that we don't provoke Full GC additionaly to young } public static class GCYoungTest { static WhiteBox wb = WhiteBox.getWhiteBox(); public static Object obj; public static void main(String args[]) { obj = new Object(); Asserts.assertFalse(wb.isObjectInOldGen(obj)); wb.youngGC(); wb.youngGC(); // 2 young GC is needed to promote object into OldGen Asserts.assertTrue(wb.isObjectInOldGen(obj)); } } }