Ilmir Usmanov
33 lines
1.1 KiB
Kotlin
Vendored
33 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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OPTIONAL_JVM_INLINE_ANNOTATION
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value class Z1<T: String?>(val x: T)
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OPTIONAL_JVM_INLINE_ANNOTATION
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value class Z2<T: Z1<String?>>(val z: T)
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OPTIONAL_JVM_INLINE_ANNOTATION
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value class ZN<T: Z1<String?>?>(val z: T)
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fun wrap1(x: String): Z1<String?>? = if (x.length == 0) null else Z1(x)
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fun wrap2(x: String): Z2<Z1<String?>>? = if (x.length == 0) null else Z2(Z1(x))
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fun wrapN(x: String): ZN<Z1<String?>?>? = 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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} |