2021-06-07 13:57:15 +00:00

72 lines
2.2 KiB
Java

/*
* Copyright (c) 2020, 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 8258662
* @summary Types.isCastable crashes when involving sealed interface and type variable.
* @library /tools/lib
* @modules jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.main
* @build toolbox.ToolBox toolbox.JavacTask
* @run main T8258662
*/
import java.util.List;
import toolbox.ToolBox;
import toolbox.TestRunner;
import toolbox.JavacTask;
public class T8258662 extends TestRunner {
private ToolBox tb;
public T8258662() {
super(System.err);
tb = new ToolBox();
}
public static void main(String[] args) throws Exception {
T8258662 t = new T8258662();
t.runTests();
}
@Test
public void testSealedClassIsCastable() throws Exception {
String code = """
class Test8258662 {
sealed interface I<T> {
final class C implements I<Object> { }
}
static <T extends I<Object>> void f(T x) {
if (x instanceof I<Object>) { }
}
}""";
new JavacTask(tb)
.sources(code)
.classpath(".")
.run();
}
}