test/langtools/tools/javac/patterns/ReifiableOld.java
author jlahoda
Wed, 27 Nov 2019 09:00:01 +0100
changeset 59285 7799a51dbe30
permissions -rw-r--r--
8231826: Implement javac changes for pattern matching for instanceof Reviewed-by: mcimadamore Contributed-by: brian.goetz@oracle.com, gavin.bierman@oracle.com, maurizio.cimadamore@oracle.com, srikanth.adayapalam@oracle.com, vicente.romero@oracle.com, jan.lahoda@oracle.com

/*
 * @test /nodynamiccopyright/
 * @bug 8231827
 * @summary Verify behavior w.r.t. non-reifiable types in instanceof
 * @compile/fail/ref=ReifiableOld-old.out -source 13 -Xlint:-options -XDrawDiagnostics ReifiableOld.java
 * @compile/fail/ref=ReifiableOld-old.out -source ${jdk.version} -XDrawDiagnostics ReifiableOld.java
 * @compile/fail/ref=ReifiableOld.out --enable-preview -source ${jdk.version} -XDrawDiagnostics ReifiableOld.java
 */

public class ReifiableOld implements ReifiableOldI {
    private static boolean test(Object o, List<ReifiableOld> l1, List<String> l2) {
        return o instanceof ListImpl<ReifiableOld> &&
               l1 instanceof ListImpl<ReifiableOld> &&
               l2 instanceof ListImpl<ReifiableOld> &&
               l2 instanceof ListImpl<String> &&
               l1 instanceof Unrelated<ReifiableOld>;
    }

    public class List<T> {}
    public class ListImpl<T extends ReifiableOldI> extends List<T> {}
    public class Unrelated<T> {}
}

interface ReifiableOldI {}