73 lines
3.1 KiB
Java
73 lines
3.1 KiB
Java
/*
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* Copyright (c) 2021, 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 8266530
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* @compile AbstractStrictfpMethod60.jcod AbstractStrictfpMethod61.jcod
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* @compile AbstractStrictfpIntMethod60.jcod AbstractStrictfpIntMethod61.jcod
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* @run main StrictfpModifierChecksTest
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*/
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import java.util.List;
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/*
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* Load classes and catch exceptions, or not depending on class file
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* version. A class or interface method with "abstract strictfp"
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* modifiers is rejected for a version 60.0 class file but accepted
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* for a version 61.0 class file. The bit position used for ACC_STRICT
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* is unassigned under version 61.0 and is thus ignored.
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*/
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public class StrictfpModifierChecksTest {
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public static void main(String... args) throws Throwable {
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for (String version60ClassName : List.of("AbstractStrictfpMethod60",
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"AbstractStrictfpIntMethod60")) {
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try {
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// The AbstractStrictfp*Method60 classes have a
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// combination of method modifiers, abstract &
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// strictfp, illegal for class file version 60 per
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// JVMS 4.6. A ClassFormatError should be thrown when
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// trying to load the classes.
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Class<?> newClass = Class.forName(version60ClassName);
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throw new RuntimeException("Should not reach; expected ClassFormatError not thrown");
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} catch (ClassFormatError cfe) {
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// Check of content will need updating if the error
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// message is rephrased.
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String message = cfe.getMessage();
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if (!message.contains("has illegal modifier")) {
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throw new RuntimeException("Unexpected exception message: " + message);
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}
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}
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}
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for (String version61ClassName : List.of("AbstractStrictfpMethod61",
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"AbstractStrictfpIntMethod61")) {
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// Same combination of modifiers is accepted in class file version 61
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Class<?> newClass = Class.forName(version61ClassName);
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// Should succeed without an exception
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}
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}
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}
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