Support calling methods annotated with PolymorphicSignature

#KT-14416 Fixed #KT-26165 Fixed
2018-11-12 17:38:42 +01:00
parent b940418604
commit a796f11934
18 changed files with 595 additions and 25 deletions
@@ -0,0 +1,51 @@
+// !LANGUAGE: +PolymorphicSignature
+// TARGET_BACKEND: JVM
+// IGNORE_BACKEND: JVM_IR
+// FULL_JDK
+// SKIP_JDK6
+// WITH_RUNTIME
+
+import java.lang.invoke.MethodHandles
+import java.lang.invoke.MethodType
+import java.lang.invoke.WrongMethodTypeException
+
+fun foo(vararg args: Any?): Any? = args[0]
+
+fun box(): String {
+    val mh = MethodHandles.lookup().findStatic(
+        object {}::class.java.enclosingClass, "foo",
+        MethodType.methodType(Any::class.java, Array<Any>::class.java)
+    )
+
+    val args = arrayOf("aaa", 1)
+
+    val r1 = mh.invokeExact(args)
+    if (r1 != "aaa") return "Fail 1: $r1"
+
+    val r2 = mh.invokeExact(*args)
+    if (r2 != "aaa") return "Fail 2: $r2"
+
+    val r3 = mh.invokeExact(arrayOf(args) as Array<*>)
+    if (r3 !is Array<*> || !r3.contentEquals(args)) return "Fail 3: $r3"
+
+    try {
+        mh.invokeExact(arrayOf(args))
+        return "Fail 4"
+    } catch (e: WrongMethodTypeException) {
+        // OK
+    }
+
+    val r5 = mh.invoke(args)
+    if (r5 != "aaa") return "Fail 5: $r5"
+
+    val r6 = mh.invoke(*args)
+    if (r6 != "aaa") return "Fail 6: $r6"
+
+    val r7 = mh.invoke(arrayOf(args) as Array<*>)
+    if (r7 !is Array<*> || !r7.contentEquals(args)) return "Fail 7: $r7"
+
+    val r8 = mh.invoke(arrayOf(args))
+    if (r8 !is Array<*> || !r8.contentEquals(args)) return "Fail 8: $r8"
+
+    return "OK"
+}