48c7549806
Reviewed-by: bpb, ihse
80 lines
2.6 KiB
Java
80 lines
2.6 KiB
Java
/*
|
|
* 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.*;
|
|
|
|
public class IsEnum {
|
|
|
|
static int 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;
|
|
}
|
|
|
|
public static void main(String... argv) {
|
|
int failures = 0;
|
|
|
|
failures += test(IsEnum.class, false);
|
|
failures += test(String.class, false);
|
|
failures += test(Enum.class, false);
|
|
failures += test(EnumPoseur.class, false);
|
|
failures += test(java.math.RoundingMode.class, true);
|
|
|
|
// Classes in java.lang.annotation
|
|
failures += test(Annotation.class, false);
|
|
failures += test(ElementType.class, true);
|
|
failures += test(Retention.class, false);
|
|
failures += test(RetentionPolicy.class, true);
|
|
failures += test(Target.class, false);
|
|
|
|
// 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) {
|
|
throw new RuntimeException("Unexpected enum status detected.");
|
|
}
|
|
}
|
|
}
|
|
|
|
enum SpecialEnum {
|
|
RED {
|
|
String special() {return "riding hood";}
|
|
},
|
|
|
|
GREEN;
|
|
|
|
String special() {return "how was my valley";}
|
|
}
|