hotspot/test/testlibrary_tests/TestPlatformIsTieredSupported.java
author ctornqvi
Fri, 19 Aug 2016 10:06:30 -0400
changeset 40631 ed82623d7831
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permissions -rw-r--r--
8157957: ClassNotFoundException: jdk.test.lib.JDKToolFinder Reviewed-by: coleenp, gtriantafill, mseledtsov, iignatyev, dholmes, dsamersoff
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/*
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 * Copyright (c) 2014, 2016, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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import jdk.test.lib.Asserts;
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import jdk.test.lib.Platform;
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import sun.hotspot.WhiteBox;
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/**
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 * @test
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 * @summary Verifies that Platform::isTieredSupported returns correct value.
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 * @library /test/lib
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 * @modules java.base/jdk.internal.misc
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 *          java.management
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 * @build sun.hotspot.WhiteBox
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 * @run main ClassFileInstaller sun.hotspot.WhiteBox
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 *                              sun.hotspot.WhiteBox$WhiteBoxPermission
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 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions
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 *                   -XX:+WhiteBoxAPI -XX:+TieredCompilation
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 *                   TestPlatformIsTieredSupported
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 */
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public class TestPlatformIsTieredSupported {
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    public static void main(String args[]) {
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        WhiteBox whiteBox = WhiteBox.getWhiteBox();
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        boolean tieredCompilation = whiteBox.getBooleanVMFlag(
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                "TieredCompilation");
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        Asserts.assertEQ(Platform.isTieredSupported(), tieredCompilation,
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                "Platform::isTieredSupported should report the same value as "
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                        + "TieredCompilation flag's value when "
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                        + "+TieredCompilation was explicitly passed to JVM.");
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    }
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}