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test/langtools/tools/javac/T8301025.java
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8301025: ClassCastException in switch with generic record
06 фев 2023, 15:24
06 фев 2023, 15:24
7ac2079
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/* * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 8301025 * @enablePreview * @compile T8301025.java * @summary ClassCastException in switch with generic record * @modules jdk.compiler */ public class T8301025 { record TestRecord<T extends String>(T t) {} public static void main(String argv[]) { TestRecord r = new TestRecord("a"); switch (r) { case TestRecord(String cS)-> { System.out.println("String"); } case TestRecord(Object cO)->{ System.out.println("Object"); } } } }