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- public aspect RecordPatternsPreview1ExhaustivenessAspect {
- static Pair<I> p2 = new Pair<>(new C(), new D());
-
- public static void main(String[] args) {
- doSomething(p2);
- }
-
- public static void doSomething(Pair pair) {
- System.out.println(pair.toString().replaceAll("@[0-9a-f]+", "@000"));
- }
-
- before(Pair pair) : execution(* doSomething(Pair)) && args(pair) {
- switch (pair) {
- case Pair<I>(I i, C c) -> System.out.println("x");
- case Pair<I>(I i, D d) -> System.out.println("y");
- // TODO: Remove redundant default clause when https://github.com/eclipse-jdt/eclipse.jdt.core/issues/455
- // has been fixed. But even with the default clause, it generates wrong byte code and throws runtime error:
- // NoSuchMethodError: 'I Pair.x()'
- default -> System.out.println("z");
- }
-
- switch (pair) {
- case Pair<I>(C c, I i) -> System.out.println("a");
- case Pair<I>(D d, C c) -> System.out.println("b");
- case Pair<I>(D d1, D d2) -> System.out.println("c");
- // TODO: remove redundant default clause when https://github.com/eclipse-jdt/eclipse.jdt.core/issues/455
- // has been fixed. But even with the default clause, it generates wrong byte code and throws runtime error:
- // NoSuchMethodError: 'I Pair.x()'
- default -> System.out.println("d");
- }
- }
- }
-
- sealed interface I permits C, D { }
- final class C implements I { }
- final class D implements I { }
- record Pair<T>(T x, T y) { }
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