Add tests for Java 19 record patterns

Signed-off-by: Alexander Kriegisch <Alexander@Kriegisch.name>

1 files changed, 28 insertions, 0 deletions

diff --git a/tests/features1919/java19/RecordPatternsPreview1ExhaustivenessOK1.java b/tests/features1919/java19/RecordPatternsPreview1ExhaustivenessOK1.java
new file mode 100644
index 000000000..4153d5021
--- /dev/null
+++ b/tests/features1919/java19/RecordPatternsPreview1ExhaustivenessOK1.java
@@ -0,0 +1,28 @@
+public class RecordPatternsPreview1ExhaustivenessOK1 {
+  static Pair<A> p1 = new Pair<>(new A(), new B());
+  static Pair<I> p2 = new Pair<>(new C(), new D());
+
+  public static void main(String[] args) {
+    exhaustiveSwitch();
+  }
+
+  static void exhaustiveSwitch() {
+    switch (p2) {
+      case Pair<I>(I i, C c) -> System.out.println("x");
+      case Pair<I>(I i, D d) -> System.out.println("y");
+    }
+
+    switch (p2) {
+      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");
+    }
+  }
+}
+
+class A { }
+class B extends A { }
+sealed interface I permits C, D { }
+final class C implements I { }
+final class D implements I { }
+record Pair<T>(T x, T y) { }