Vladimir Sukharev
21 lines
476 B
Kotlin
Vendored
21 lines
476 B
Kotlin
Vendored
import kotlin.test.*
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import kotlin.contracts.*
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open class S
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class P(val str: String = "P") : S()
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@OptIn(kotlin.contracts.ExperimentalContracts::class)
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fun check(actual: Boolean) {
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contract { returns() implies actual }
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assertTrue(actual)
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}
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fun box(): String {
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assertEquals("STR", nullableString("str"))
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assertEquals("", nullableString(null))
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return "OK"
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}
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private fun nullableString(string: String?): String = if (string.isNullOrBlank()) "" else "STR" |