jdk-24/test/hotspot/jtreg/runtime/sealedClasses/SealedUnnamedModuleIntfTest.java
Vicente Romero 0fa9223f34 8260517: implement Sealed Classes as a standard feature in Java
Co-authored-by: Harold Seigel <hseigel@openjdk.org>
Co-authored-by: Vicente Romero <vromero@openjdk.org>
Reviewed-by: dholmes, mcimadamore, jlahoda
2021-05-20 09:11:08 +00:00

71 lines
3.2 KiB
Java

/*
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* 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).
*
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* 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 8225056
* @compile Pkg/SealedInterface.jcod Pkg/NotPermitted.jcod
* @compile Pkg/Permitted.java otherPkg/WrongPackage.java otherPkg/WrongPackageNotPublic.java
* @run main SealedUnnamedModuleIntfTest
*/
public class SealedUnnamedModuleIntfTest {
public static void main(String args[]) throws Throwable {
// Classes Permitted, NotPermitted, WrongPackage and WrongPackageNotPublic all try to implement
// sealed interface SealedInterface.
// Interface SealedInterface permits classes Permitted, WrongPackage, and WrongPackageNotPublic;
// Test non-public permitted subclass and superclass in unnamed module and
// same package. This should succeed.
Class permitted = Class.forName("Pkg.Permitted");
// Test public permitted subclass and superclass in same unnamed module but in
// different packages. This should not throw an exception.
Class wrongPkg = Class.forName("otherPkg.WrongPackage");
// Test unpermitted subclass and superclass in unnamed module and same package.
// This should throw an exception.
try {
Class notPermitted = Class.forName("Pkg.NotPermitted");
throw new RuntimeException("Expected IncompatibleClassChangeError exception not thrown");
} catch (IncompatibleClassChangeError e) {
if (!e.getMessage().contains("cannot implement sealed interface")) {
throw new RuntimeException("Wrong IncompatibleClassChangeError exception thrown: " + e.getMessage());
}
}
// Test non-public permitted subclass and superclass in same unnamed module but
// in different packages. This should throw an exception.
try {
Class notPermitted = Class.forName("otherPkg.WrongPackageNotPublic");
throw new RuntimeException("Expected IncompatibleClassChangeError exception not thrown");
} catch (IncompatibleClassChangeError e) {
if (!e.getMessage().contains("cannot implement sealed interface")) {
throw new RuntimeException("Wrong IncompatibleClassChangeError exception thrown: " + e.getMessage());
}
}
}
}