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

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  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  */

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, 2022, 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  */

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 | Opcodes.ACC_IDENTITY,
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 }
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