Evgeniy.Zhelenskiy
32 lines
981 B
Kotlin
Vendored
32 lines
981 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: () -> String)
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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(x: String): Z1? = if (x.length == 0) null else Z1({ x })
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fun wrap2(x: String): Z2? = if (x.length == 0) null else Z2(Z1({ x }))
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fun wrapN(x: String): ZN? = if (x.length == 0) null else ZN(Z1({ x }))
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fun box(): String {
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if (wrap1("") != 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("") != 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("") != 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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} |