Annotate $default-method with same annotations as original

#KT-6930 Fixed
2015-05-07 14:23:50 +03:00
parent 5b1f3080d3
commit fd4946e552
3 changed files with 67 additions and 5 deletions
@@ -0,0 +1,43 @@
+import java.lang.annotation.*
+import kotlin.reflect.jvm.java
+import kotlin.test.assertEquals
+
+Retention(RetentionPolicy.RUNTIME)
+annotation class Ann(val x: Int)
+class A {
+    Ann(1) fun foo(Ann(2) x: Int, y: Int = 2, Ann(3) z: Int) {}
+
+    Ann(1) constructor(Ann(2) x: Int, y: Int = 2, Ann(3) z: Int)
+}
+
+class B [Ann(1)] (Ann(2) x: Int, y: Int = 2, Ann(3) z: Int) {}
+
+fun Array<out Annotation>.ann() = filterIsInstance<Ann>()
+
+fun test(name: String, annotations: Array<out Annotation>, parameters: Array<out Array<out Annotation>>) {
+    assertEquals(1, annotations.ann()[0].x, "$name[0]")
+
+    assertEquals(2, parameters[0].ann()[0].x, "$name-param[0]")
+    assertEquals(0, parameters[1].ann().size(), "$name-param[1]")
+    assertEquals(3, parameters[2].ann()[0].x, "$name-param[2]")
+}
+
+fun box(): String {
+    val foo = javaClass<A>().getDeclaredMethods().first { it.getName() == "foo" }
+    test("foo", foo.getDeclaredAnnotations(), foo.getParameterAnnotations())
+
+    val fooDefault = javaClass<A>().getDeclaredMethods().first { it.getName() == "foo\$default" }
+    test("foo", foo.getDeclaredAnnotations(), foo.getParameterAnnotations())
+
+    val (secondary, secondaryDefault) = javaClass<A>().getDeclaredConstructors().partition { it.getParameterTypes().size() == 3 }
+
+    test("secondary", secondary[0].getDeclaredAnnotations(), secondary[0].getParameterAnnotations())
+    test("secondary\$default", secondaryDefault[0].getDeclaredAnnotations(), secondaryDefault[0].getParameterAnnotations())
+
+    val (primary, primaryDefault) = javaClass<B>().getConstructors().partition { it.getParameterTypes().size() == 3 }
+
+    test("primary", primary[0].getDeclaredAnnotations(), primary[0].getParameterAnnotations())
+    test("secondary\$default", primaryDefault[0].getDeclaredAnnotations(), primaryDefault[0].getParameterAnnotations())
+
+    return "OK"
+}