test/langtools/tools/javac/patterns/T8345474.java - master - githubmirror/panama-vector

test/langtools/tools/javac/patterns/T8345474.java

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Aggelos Biboudis

8345474: Translation for instanceof is not triggered when patterns are not used in the compilation unit

04 дек 2024, 17:32

04 дек 2024, 17:326c1ed0b

/*
 * Copyright (c) 2024, 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 8345474
 * @summary Translation for instanceof is not triggered when patterns are not used in the compilation unit
 * @enablePreview
 * @compile T8345474.java
 * @run main T8345474
 */
import java.util.List;

public class T8345474 {
    public static void main(String[] args) {
        erasureInstanceofTypeComparisonOperator();
    }

    public static void erasureInstanceofTypeComparisonOperator() {
        List<Short> ls = List.of((short) 42);

        assertTrue(ls.get(0) instanceof int);
    }

    static void assertTrue(boolean actual) {
        if (!actual) {
            throw new AssertionError("Expected: true, but got false");
        }
    }
}