< prev index next >

test/jdk/java/lang/reflect/records/IsRecordTest.java

Print this page

  1 /*
  2  * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
  3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  4  *
  5  * This code is free software; you can redistribute it and/or modify it
  6  * under the terms of the GNU General Public License version 2 only, as
  7  * published by the Free Software Foundation.
  8  *
  9  * This code is distributed in the hope that it will be useful, but WITHOUT
 10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 12  * version 2 for more details (a copy is included in the LICENSE file that
 13  * accompanied this code).
 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  */
 23 
 24 /*
 25  * @test
 26  * @bug 8255560
 27  * @summary Class::isRecord should check that the current class is final and not abstract
 28  * @modules java.base/jdk.internal.org.objectweb.asm
 29  * @library /test/lib
 30  * @run testng/othervm IsRecordTest

 31  * @run testng/othervm/java.security.policy=allPermissions.policy IsRecordTest
 32  */
 33 
 34 import java.io.IOException;
 35 import java.io.UncheckedIOException;
 36 import java.util.List;
 37 import java.util.Map;
 38 import jdk.internal.org.objectweb.asm.ClassWriter;
 39 import jdk.internal.org.objectweb.asm.Opcodes;
 40 import jdk.test.lib.ByteCodeLoader;
 41 import org.testng.annotations.DataProvider;
 42 import org.testng.annotations.Test;
 43 import static java.lang.System.out;
 44 import static jdk.internal.org.objectweb.asm.ClassWriter.*;
 45 import static org.testng.Assert.assertEquals;
 46 import static org.testng.Assert.assertFalse;
 47 import static org.testng.Assert.assertTrue;
 48 
 49 public class IsRecordTest {
 50 

154         assertFalse(B.class.getRecordComponents() != null);
155     }
156 
157     // --  infra
158 
159     // Generates a class with the given properties.
160     byte[] generateClassBytes(String className,
161                               boolean isFinal,
162                               boolean isAbstract,
163                               String superName,
164                               List<RecordComponentEntry> components) {
165         ClassWriter cw = new ClassWriter(COMPUTE_MAXS | COMPUTE_FRAMES);
166 
167         int access = 0;
168         if (isFinal)
169             access = access | Opcodes.ACC_FINAL;
170         if (isAbstract)
171             access = access | Opcodes.ACC_ABSTRACT;
172 
173         cw.visit(Opcodes.V16,
174                  access,
175                  className,
176                  null,
177                  superName,
178                  null);
179 
180         if (components != null)
181             components.forEach(rc -> cw.visitRecordComponent(rc.name(), rc.descriptor(), null));
182 
183         cw.visitEnd();
184         return cw.toByteArray();
185     }
186 
187     record RecordComponentEntry (String name, String descriptor) { }
188 
189 }

  1 /*
  2  * Copyright (c) 2020, 2024, Oracle and/or its affiliates. All rights reserved.
  3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  4  *
  5  * This code is free software; you can redistribute it and/or modify it
  6  * under the terms of the GNU General Public License version 2 only, as
  7  * published by the Free Software Foundation.
  8  *
  9  * This code is distributed in the hope that it will be useful, but WITHOUT
 10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 12  * version 2 for more details (a copy is included in the LICENSE file that
 13  * accompanied this code).
 14  *
 15  * You should have received a copy of the GNU General Public License version
 16  * 2 along with this work; if not, write to the Free Software Foundation,
 17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 18  *
 19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 20  * or visit www.oracle.com if you need additional information or have any
 21  * questions.
 22  */
 23 
 24 /*
 25  * @test
 26  * @bug 8255560 8326879
 27  * @summary Class::isRecord should check that the current class is final and not abstract
 28  * @modules java.base/jdk.internal.org.objectweb.asm
 29  * @library /test/lib
 30  * @run testng/othervm IsRecordTest
 31  * @run testng/othervm --enable-preview IsRecordTest
 32  * @run testng/othervm/java.security.policy=allPermissions.policy IsRecordTest
 33  */
 34 
 35 import java.io.IOException;
 36 import java.io.UncheckedIOException;
 37 import java.util.List;
 38 import java.util.Map;
 39 import jdk.internal.org.objectweb.asm.ClassWriter;
 40 import jdk.internal.org.objectweb.asm.Opcodes;
 41 import jdk.test.lib.ByteCodeLoader;
 42 import org.testng.annotations.DataProvider;
 43 import org.testng.annotations.Test;
 44 import static java.lang.System.out;
 45 import static jdk.internal.org.objectweb.asm.ClassWriter.*;
 46 import static org.testng.Assert.assertEquals;
 47 import static org.testng.Assert.assertFalse;
 48 import static org.testng.Assert.assertTrue;
 49 
 50 public class IsRecordTest {
 51 

155         assertFalse(B.class.getRecordComponents() != null);
156     }
157 
158     // --  infra
159 
160     // Generates a class with the given properties.
161     byte[] generateClassBytes(String className,
162                               boolean isFinal,
163                               boolean isAbstract,
164                               String superName,
165                               List<RecordComponentEntry> components) {
166         ClassWriter cw = new ClassWriter(COMPUTE_MAXS | COMPUTE_FRAMES);
167 
168         int access = 0;
169         if (isFinal)
170             access = access | Opcodes.ACC_FINAL;
171         if (isAbstract)
172             access = access | Opcodes.ACC_ABSTRACT;
173 
174         cw.visit(Opcodes.V16,
175                  access | Opcodes.ACC_IDENTITY,
176                  className,
177                  null,
178                  superName,
179                  null);
180 
181         if (components != null)
182             components.forEach(rc -> cw.visitRecordComponent(rc.name(), rc.descriptor(), null));
183 
184         cw.visitEnd();
185         return cw.toByteArray();
186     }
187 
188     record RecordComponentEntry (String name, String descriptor) { }
189 
190 }
< prev index next >