hotspot/test/runtime/SharedArchiveFile/serviceability/transformRelatedClasses/TransformSuperSubTwoPckgs.java
author jiangli
Sun, 18 Sep 2016 21:10:48 -0400
changeset 41182 dbd59c1da636
child 46779 d80ca591ae48
permissions -rw-r--r--
8078644: CDS needs to support JVMTI CFLH Summary: Support posting CLFH for shared classes. Tests are contributed by Misha Seledtsov. Reviewed-by: iklam, coleenp, acorn, dcubed, sspitsyn
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/*
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 * Copyright (c) 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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/*
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 * @test
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 * @summary Exercise initial transformation (ClassFileLoadHook)
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 *  with CDS with SubClass and SuperClass, each lives in own separate package
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 * @library /test/lib /runtime/SharedArchiveFile /testlibrary/jvmti
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 * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true)
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 * @requires vm.flavor != "minimal"
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 * @modules java.base/jdk.internal.misc
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 *          jdk.jartool/sun.tools.jar
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 *          java.management
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 *          java.instrument
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 * @build TransformUtil TransformerAgent SubClass SuperClazz
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 * @compile myPkg2/SubClass.java myPkg1/SuperClazz.java
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 * @run main/othervm TransformRelatedClasses myPkg1.SuperClazz myPkg2.SubClass
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*/
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// Clarification on @requires declarations:
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// CDS is not supported w/o the use of Compressed OOPs
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// JVMTI's ClassFileLoadHook is not supported under minimal VM
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// This test class uses TransformRelatedClasses to do its work.
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// The goal of this test is to exercise transformation of related superclass
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// and subclass in combination with CDS; each class lives in its own package.
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// The transformation is done via ClassFileLoadHook mechanism.
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// Both superclass and subclass reside in the shared archive.
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// The test consists of 4 test cases where transformation is applied
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// to a parent and child in combinatorial manner.
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// Please see TransformRelatedClasses.java for details.