3ed98222a7
Move tests out of runtime to jvmti/RedefineClasses Reviewed-by: sspitsyn, dcubed, cjplummer, hseigel, mseledtsov
86 lines
2.7 KiB
Java
86 lines
2.7 KiB
Java
/*
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* Copyright (c) 2017, 2019, 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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* @bug 8174962 8010319
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* @summary Redefine class with interface method call
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* @library /test/lib
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* @modules java.base/jdk.internal.misc
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* @modules java.compiler
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* java.instrument
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* jdk.jartool/sun.tools.jar
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* @run main RedefineClassHelper
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* @run main/othervm -javaagent:redefineagent.jar -Xlog:redefine+class+update*=trace RedefineInterfaceCall
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*/
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import static jdk.test.lib.Asserts.assertEquals;
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interface I1 { default int m() { return 0; } }
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interface I2 extends I1 {}
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// package access top-level class to avoid problem with RedefineClassHelper
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// and nested types.
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class RedefineInterfaceCall_C implements I2 {
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public int test(I2 i) {
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return i.m(); // invokeinterface cpCacheEntry
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}
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}
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public class RedefineInterfaceCall {
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static String newI1 =
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"interface I1 { default int m() { return 1; } }";
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static String newC =
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"class RedefineInterfaceCall_C implements I2 { " +
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" public int test(I2 i) { " +
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" return i.m(); " +
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" } " +
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"} ";
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static int test(I2 i) {
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return i.m(); // invokeinterface cpCacheEntry
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}
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public static void main(String[] args) throws Exception {
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RedefineInterfaceCall_C c = new RedefineInterfaceCall_C();
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assertEquals(test(c), 0);
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assertEquals(c.test(c), 0);
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RedefineClassHelper.redefineClass(RedefineInterfaceCall_C.class, newC);
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assertEquals(c.test(c), 0);
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RedefineClassHelper.redefineClass(I1.class, newI1);
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assertEquals(test(c), 1);
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assertEquals(c.test(c), 1);
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RedefineClassHelper.redefineClass(RedefineInterfaceCall_C.class, newC);
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assertEquals(c.test(c), 1);
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}
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}
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