Ilmir Usmanov
33 lines
1018 B
Kotlin
Vendored
33 lines
1018 B
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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OPTIONAL_JVM_INLINE_ANNOTATION
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value class Z1<T: Int>(val x: T?)
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OPTIONAL_JVM_INLINE_ANNOTATION
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value class Z2<T: Z1<Int>>(val z: T)
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OPTIONAL_JVM_INLINE_ANNOTATION
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value class ZN<T: Z1<Int>?>(val z: T)
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fun wrap1(n: Int): Z1<Int>? = if (n < 0) null else Z1(n)
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fun wrap2(n: Int): Z2<Z1<Int>>? = if (n < 0) null else Z2(Z1(n))
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fun wrapN(n: Int): ZN<Z1<Int>?>? = if (n < 0) null else ZN(Z1(n))
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fun box(): String {
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if (wrap1(-1) != null) throw AssertionError()
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if (wrap1(42) == null) throw AssertionError()
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if (wrap1(42)!!.x != 42) throw AssertionError()
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if (wrap2(-1) != null) throw AssertionError()
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if (wrap2(42) == null) throw AssertionError()
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if (wrap2(42)!!.z.x != 42) throw AssertionError()
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if (wrapN(-1) != null) throw AssertionError()
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if (wrapN(42) == null) throw AssertionError()
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if (wrapN(42)!!.z!!.x != 42) throw AssertionError()
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return "OK"
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} |