Support using Java-repeatable annotations in Kotlin

#KT-12794
2021-07-20 16:30:04 +02:00
parent f723389565
commit 87130edfa2
42 changed files with 958 additions and 42 deletions
@@ -0,0 +1,56 @@
+// !LANGUAGE: +RepeatableAnnotations
+// TARGET_BACKEND: JVM_IR
+// IGNORE_BACKEND_FIR: JVM_IR
+// WITH_RUNTIME
+// FULL_JDK
+// JVM_TARGET: 1.8
+
+// java.lang.NoSuchMethodError: java.lang.Class.getAnnotationsByType
+// IGNORE_BACKEND: ANDROID
+
+// FILE: box.kt
+
+import test.A
+import test.As
+
+@A("O")
+@A("")
+@A("K")
+class Z
+
+fun box(): String {
+    val annotations = Z::class.java.annotations.filter { it.annotationClass != Metadata::class }
+    val aa = annotations.singleOrNull() ?: return "Fail 1: $annotations"
+    if (aa !is As) return "Fail 2: $aa"
+
+    val a = aa.value.asList()
+    if (a.size != 3) return "Fail 3: $a"
+
+    val bytype = Z::class.java.getAnnotationsByType(A::class.java)
+    if (a.toList() != bytype.toList()) return "Fail 4: ${a.toList()} != ${bytype.toList()}"
+
+    return a.fold("") { acc, it -> acc + it.value }
+}
+
+// FILE: test/A.java
+
+package test;
+
+import java.lang.annotation.*;
+
+@Repeatable(As.class)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface A {
+    String value();
+}
+
+// FILE: test/As.java
+
+package test;
+
+import java.lang.annotation.*;
+
+@Retention(RetentionPolicy.RUNTIME)
+public @interface As {
+    A[] value();
+}