Ilmir Usmanov
38 lines
1.1 KiB
Kotlin
Vendored
38 lines
1.1 KiB
Kotlin
Vendored
// WITH_STDLIB
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// WORKS_WHEN_VALUE_CLASS
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// IGNORE_BACKEND: JVM
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// LANGUAGE: +ValueClasses, +GenericInlineClassParameter
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enum class En { N, A, B, C }
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OPTIONAL_JVM_INLINE_ANNOTATION
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value class Z1<T: En>(val x: T)
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OPTIONAL_JVM_INLINE_ANNOTATION
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value class Z2<T: Z1<En>>(val z: T)
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OPTIONAL_JVM_INLINE_ANNOTATION
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value class ZN<T: Z1<En>>(val z: T?)
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fun wrap1(x: En): Z1<En>? = if (x.ordinal == 0) null else Z1(x)
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fun wrap2(x: En): Z2<Z1<En>>? = if (x.ordinal == 0) null else Z2(Z1(x))
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fun wrapN(x: En): ZN<Z1<En>>? = if (x.ordinal == 0) null else ZN(Z1(x))
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fun box(): String {
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val n = En.N
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val a = En.A
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if (wrap1(n) != null) throw AssertionError()
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if (wrap1(a) == null) throw AssertionError()
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if (wrap1(a)!!.x != a) throw AssertionError()
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if (wrap2(n) != null) throw AssertionError()
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if (wrap2(a) == null) throw AssertionError()
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if (wrap2(a)!!.z.x != a) throw AssertionError()
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if (wrapN(n) != null) throw AssertionError()
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if (wrapN(a) == null) throw AssertionError()
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if (wrapN(a)!!.z!!.x != a) throw AssertionError()
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return "OK"
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} |