ac6af6a640
8299760: ExceptionInInitializerError for an enum with multiple switch statements, follow-up Reviewed-by: vromero
96 lines
2.8 KiB
Java
96 lines
2.8 KiB
Java
/*
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* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 7176515 8299760
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* @summary ExceptionInInitializerError for an enum with multiple switch statements
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*/
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import java.math.RoundingMode;
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public class EnumLookupTableExceptionInInitializer {
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public enum MyEnum {
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FIRST(RoundingMode.CEILING),
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SECOND(RoundingMode.HALF_DOWN),
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THIRD(RoundingMode.UNNECESSARY),
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FOURTH(RoundingMode.HALF_EVEN),
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FIFTH(RoundingMode.HALF_DOWN),
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SIXTH(RoundingMode.CEILING),
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SEVENTH(RoundingMode.UNNECESSARY);
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private final RoundingMode mode;
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private MyEnum(RoundingMode mode) {
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switch (mode) {
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case CEILING:
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case HALF_DOWN:
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case UNNECESSARY:
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case HALF_EVEN:
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break;
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default:
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throw new IllegalArgumentException();
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}
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this.mode = mode;
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}
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public boolean isOdd() {
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switch (this) {
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case FIRST:
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case THIRD:
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case FIFTH:
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case SEVENTH:
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return true;
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default:
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return false;
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}
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}
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}
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public enum Nested {
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AAA(MyEnum.FIRST),
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BBB(MyEnum.THIRD),
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CCC(MyEnum.FIFTH),
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DDD(MyEnum.SEVENTH),
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EEE(MyEnum.SECOND);
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private Nested(MyEnum x) {
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switch (x) {
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default:
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break;
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}
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}
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}
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public static void main(String[] args) {
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boolean shouldBeOdd = true;
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for (MyEnum x : MyEnum.values()) {
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if (x.isOdd() != shouldBeOdd)
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throw new RuntimeException("failed");
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shouldBeOdd = !shouldBeOdd;
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}
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Nested.class.hashCode();
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}
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}
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