Alexander Udalov
64 lines
1.7 KiB
Kotlin
Vendored
64 lines
1.7 KiB
Kotlin
Vendored
// !LANGUAGE: +PolymorphicSignature
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// IGNORE_BACKEND_FIR: JVM_IR
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// 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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val r1 = mh.invokeExact(args)
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if (r1 != "aaa") return "Fail 1: $r1"
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// Spread operator is prohibited for arguments to signature-polymorphic calls
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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.contentEquals(args)) return "Fail 3: $r3"
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try {
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mh.invokeExact(arrayOf(args))
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return "Fail 4"
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} catch (e: WrongMethodTypeException) {
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// OK
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}
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val r5 = mh.invoke(args)
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if (r5 != "aaa") 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.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.contentEquals(args)) return "Fail 8: $r8"
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// The next two calls check behavior in a statement context (where the call result is not used)
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try {
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mh.invokeExact(args)
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return "Fail 9"
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} catch (e: WrongMethodTypeException) {
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// OK
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}
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mh.invoke(args)
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return "OK"
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}
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