18 lines
373 B
Kotlin
18 lines
373 B
Kotlin
open class Base() {
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fun n(n : Int) : Int = n + 1
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}
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interface Abstract {}
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class Derived1() : Base(), Abstract {}
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class Derived2() : Abstract, Base() {}
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fun test(s : Base) : Boolean = s.n(238) == 239
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fun box() : String {
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if (!test(Base())) return "Fail #1"
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if (!test(Derived1())) return "Fail #2"
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if (!test(Derived2())) return "Fail #3"
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return "OK"
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}
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