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a8e2893494
This works in many cases, however, it is incomplete since there are cases where classes are extracted to top-level and therefore reparented. Therefore, we lose the information about the function class are nested inside.
48 lines
1.7 KiB
Kotlin
Vendored
48 lines
1.7 KiB
Kotlin
Vendored
// TARGET_BACKEND: JVM
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// FULL_JDK
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// SKIP_JDK6
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// WITH_RUNTIME
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import java.lang.invoke.MethodHandles
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import java.lang.invoke.MethodType
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import java.lang.invoke.WrongMethodTypeException
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fun foo(vararg args: Any?): Any? = args[0]
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fun box(): String {
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val mh = MethodHandles.lookup().findStatic(
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object {}::class.java.enclosingClass, "foo",
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MethodType.methodType(Any::class.java, Array<Any>::class.java)
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)
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val args = arrayOf("aaa", 1)
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// Note that before PolymorphicSignature was supported in the compiler, this call (and some subsequent calls) made little sense
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// because the vararg was always wrapped in another array. But it compiled and worked somehow, and this test checks its behavior.
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val r1 = mh.invokeExact(args)
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if (r1 !is Array<*> || !r1.contentEquals(args)) return "Fail 1: $r1"
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val r2 = mh.invokeExact(*args)
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if (r2 != "aaa") return "Fail 2: $r2"
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val r3 = mh.invokeExact(arrayOf(args) as Array<*>)
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if (r3 !is Array<*> || r3[0] !is Array<*> || !(r3[0] as Array<*>).contentEquals(args)) return "Fail 3: $r3"
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val r4 = mh.invokeExact(arrayOf(args))
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if (r4 !is Array<*> || r4[0] !is Array<*> || !(r4[0] as Array<*>).contentEquals(args)) return "Fail 4: $r4"
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val r5 = mh.invoke(args)
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if (r5 !is Array<*> || !r5.contentEquals(args)) return "Fail 5: $r5"
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val r6 = mh.invoke(*args)
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if (r6 != "aaa") return "Fail 6: $r6"
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val r7 = mh.invoke(arrayOf(args) as Array<*>)
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if (r7 !is Array<*> || r7[0] !is Array<*> || !(r7[0] as Array<*>).contentEquals(args)) return "Fail 7: $r7"
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val r8 = mh.invoke(arrayOf(args))
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if (r8 !is Array<*> || r8[0] !is Array<*> || !(r8[0] as Array<*>).contentEquals(args)) return "Fail 8: $r8"
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return "OK"
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}
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