Evgeniy.Zhelenskiy
9cef8a2133
#KT-59903 Merge-request: KT-MR-13423 Merged-by: Evgeniy Zhelenskiy <Evgeniy.Zhelenskiy@jetbrains.com>
41 lines
1001 B
Kotlin
Vendored
41 lines
1001 B
Kotlin
Vendored
// !DIAGNOSTICS: -UNUSED_PARAMETER
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// ISSUE: KT-61077
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// IGNORE_BACKEND_K1: ANY
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// WITH_STDLIB
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data class Delegate<T>(val data: T)
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var counter = 0
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operator fun Delegate<*>.getValue(receiver: Any?, p: Any): String = this.data.toString()
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operator fun <T> Delegate<T>.setValue(receiver: Any?, p: Any, value: T) {
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require(value == "OK")
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counter++
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}
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operator fun <T> String.provideDelegate(receiver: Any?, p: Any) = Delegate<T>(this as T)
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var test1: String by Delegate("OK1")
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var test2: String by Delegate<String>("OK2")
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var test3: String by "OK3"
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var test4: String by "OK4".provideDelegate(null, "")
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var test5: String by "OK5".provideDelegate<String>(null, "")
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fun box(): String {
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require(test1 == "OK1")
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test1 = "OK"
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require(test2 == "OK2")
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test2 = "OK"
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require(test3 == "OK3")
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test3 = "OK"
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require(test4 == "OK4")
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test4 = "OK"
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require(test5 == "OK5")
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test5 = "OK"
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require(counter == 5) { "Counter counter is $counter" }
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return "OK"
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}
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