/* * Copyright (c) 2003, 2022, 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 4891872 4989735 4990789 5020490 * @summary Check isEnum() method * @author Joseph D. Darcy
*/
import java.lang.annotation.*;
publicclass IsEnum {
staticint test(Class<?> clazz, boolean expected) { int status = (clazz.isEnum() == expected) ? 0 : 1;
if (status == 1) {
System.err.println("Unexpected enum status for " + clazz);
} return status;
}
publicstaticvoid main(String... argv) { int failures = 0;
// A class for a specialized enum constant isn't itself an enum
failures += test(SpecialEnum.class, true);
failures += test(SpecialEnum.RED.getClass(), false);
failures += test(SpecialEnum.GREEN.getClass(), true);
if (failures > 0) { thrownew RuntimeException("Unexpected enum status detected.");
}
}
}
enum SpecialEnum {
RED {
String special() {return"riding hood";}
},
GREEN;
String special() {return"how was my valley";}
}
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