112 lines
3.9 KiB
Java
112 lines
3.9 KiB
Java
/*
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* Copyright (c) 2016, 2018, 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 AOT methods should be swept if a super class has changed.
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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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* @requires vm.aot
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* @build compiler.aot.fingerprint.SuperChanged
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* compiler.aot.AotCompiler
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*
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* @run main
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* compiler.aot.fingerprint.SuperChanged WRITE-UNMODIFIED-CLASS
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* @run driver compiler.aot.AotCompiler -libname libSuperChanged.so
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* -class compiler.aot.fingerprint.Foo
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*
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* @run main
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* compiler.aot.fingerprint.SuperChanged TEST-UNMODIFIED
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* @run main/othervm -XX:+UseAOT -XX:+PrintAOT -XX:AOTLibrary=./libSuperChanged.so
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* -Xlog:aot+class+fingerprint=trace -Xlog:aot+class+load=trace
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* compiler.aot.fingerprint.SuperChanged TEST-UNMODIFIED
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*
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* @run main
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* compiler.aot.fingerprint.SuperChanged WRITE-MODIFIED-CLASS
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* @run main
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* compiler.aot.fingerprint.SuperChanged TEST-MODIFIED
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* @run main/othervm -XX:+UseAOT -XX:+PrintAOT -XX:AOTLibrary=./libSuperChanged.so
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* -Xlog:aot+class+fingerprint=trace -Xlog:aot+class+load=trace
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* compiler.aot.fingerprint.SuperChanged TEST-MODIFIED
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*/
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package compiler.aot.fingerprint;
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import jdk.test.lib.Asserts;
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import jdk.test.lib.compiler.InMemoryJavaCompiler;
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import java.io.*;
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class Bar {
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volatile int x = 0;
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volatile int y = 1;
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}
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class Foo extends Bar {
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volatile int z;
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int getX() {
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for (z = 0; z < 10000; z++) {
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if (z % 7 == 1) {
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z += 2;
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}
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}
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return x;
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}
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}
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public class SuperChanged {
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public static void main(String args[]) throws Throwable {
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Foo f = new Foo();
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System.out.println("f.getX = " + f.getX());
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switch (args[0]) {
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case "WRITE-UNMODIFIED-CLASS":
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compileClass(false);
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break;
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case "WRITE-MODIFIED-CLASS":
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compileClass(true);
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break;
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case "TEST-UNMODIFIED":
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Asserts.assertTrue(f.getX() == 0, "getX from unmodified Foo class should return 0");
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break;
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case "TEST-MODIFIED":
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Asserts.assertTrue(f.getX() == 1, "getX from modified Foo class should return 1");
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break;
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default:
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throw new RuntimeException("unexpected option: " + args[0]);
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}
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}
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static void compileClass(boolean isModified) throws Throwable {
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String class_src_0 = "package compiler.aot.fingerprint; class Bar {volatile int x = 0; volatile int y = 1;}";
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String class_src_1 = "package compiler.aot.fingerprint; class Bar {volatile int y = 0; volatile int x = 1;}";
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String src = (isModified) ? class_src_1 : class_src_0;
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String filename = System.getProperty("test.classes") + "/compiler/aot/fingerprint/Bar.class";
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FileOutputStream fos = new FileOutputStream(filename);
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fos.write(InMemoryJavaCompiler.compile("compiler.aot.fingerprint.Bar", src));
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fos.close();
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}
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}
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