Ivan Kylchik
c7435ba760
We are going to deprecate `WITH_RUNTIME` directive. The main reason behind this change is that `WITH_STDLIB` directive better describes its meaning, specifically it will add kotlin stdlib to test's classpath.
50 lines
1.4 KiB
Kotlin
Vendored
50 lines
1.4 KiB
Kotlin
Vendored
// !LANGUAGE: +PolymorphicSignature
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// TARGET_BACKEND: JVM
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// FULL_JDK
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// SKIP_JDK6
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// WITH_STDLIB
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import java.lang.invoke.MethodHandles
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import java.lang.invoke.MethodType
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open class Base
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class Derived : Base() {
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override fun toString() = "!"
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}
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class C {
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fun foo(s: String, d: Double?, x: Base): String = "$s$d$x"
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}
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@Target(AnnotationTarget.EXPRESSION)
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@Retention(AnnotationRetention.SOURCE)
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annotation class IrrelevantAnnotation
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fun box(): String {
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val mh = MethodHandles.lookup().findVirtual(
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C::class.java, "foo",
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MethodType.methodType(String::class.java, String::class.java, Double::class.javaObjectType, Base::class.java)
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)
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val result1: String = mh.invoke(C(), "Hello", 0.01, Derived()) as String
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if (result1 != "Hello0.01!") return "Fail 1: $result1"
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// Check parenthesized/annotated expressions + invoke via "()"
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val result2 = (@IrrelevantAnnotation() ((mh(C(), (("Hello")), 0.01, Derived())))) as String
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if (result1 != result2) return "Fail 2: $result1 != $result2"
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// Check deep qualified expressions
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val o = object {
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val p = object {
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val handle = mh
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}
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}
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val result3 = (o.p).handle.invoke(C(), "Hello", 0.01, Derived()) as String
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if (result1 != result3) return "Fail 3: $result1 != $result3"
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// Check cast expression without assignment to a variable
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mh.invoke(C(), "", 0.01, Derived()) as String
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return "OK"
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}
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