Evgeniy.Zhelenskiy
32 lines
913 B
Kotlin
Vendored
32 lines
913 B
Kotlin
Vendored
// WITH_STDLIB
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// WORKS_WHEN_VALUE_CLASS
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// LANGUAGE: +ValueClasses
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OPTIONAL_JVM_INLINE_ANNOTATION
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value class Z1(val x: Int?)
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OPTIONAL_JVM_INLINE_ANNOTATION
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value class Z2(val z: Z1)
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OPTIONAL_JVM_INLINE_ANNOTATION
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value class ZN(val z: Z1?)
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fun wrap1(n: Int): Z1? = if (n < 0) null else Z1(n)
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fun wrap2(n: Int): Z2? = if (n < 0) null else Z2(Z1(n))
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fun wrapN(n: Int): ZN? = 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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} |