jdk/test/jdk/sun/security/internal/ExhaustiveBE.java
Anthony Scarpino dc4bb5acbe 8383608: Make BinaryEncodable non-exhaustive
Reviewed-by: mullan
2026-06-10 17:35:43 +00:00

66 lines
2.3 KiB
Java

/*
* Copyright (c) 2026, 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
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*
* 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.
*
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*/
/*
* @test
* @bug 8383608
* @summary verify switches over BinaryEncodable are not exhaustive
* @enablePreview
* @compile/fail ExhaustiveBE.java
*/
import javax.crypto.EncryptedPrivateKeyInfo;
import java.security.AsymmetricKey;
import java.security.BinaryEncodable;
import java.security.KeyPair;
import java.security.PEM;
import java.security.cert.X509CRL;
import java.security.cert.X509Certificate;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;
/*
* This test verifies that application code cannot exhaustively switch over
* BinaryEncodable by naming only the public permitted subtypes. Compilation
* must fail because application code needs a default case, or a
* BinaryEncodable case, to cover the internal permitted subtype
* InternalBinaryEncodable.
*/
public class ExhaustiveBE {
public static void main(String[] args) {
BinaryEncodable be = new PEM("TEST", "TEST");
switch (be) {
case AsymmetricKey ignored -> {}
case KeyPair ignored -> {}
case PKCS8EncodedKeySpec ignored -> {}
case X509EncodedKeySpec ignored -> {}
case EncryptedPrivateKeyInfo ignored -> {}
case X509Certificate ignored -> {}
case X509CRL ignored -> {}
case PEM ignored -> {}
}
}
}