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34 lines
1.6 KiB
Kotlin
Vendored
34 lines
1.6 KiB
Kotlin
Vendored
import java.util.Date
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fun assertGenericSuper(expected: String, function: Any?) {
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val clazz = (function as java.lang.Object).getClass()!!
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val genericSuper = clazz.getGenericInterfaces()[0]!!
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if ("$genericSuper" != expected)
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throw AssertionError("Fail, expected: $expected, actual: $genericSuper")
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}
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val unitFun = { }
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val intFun = { 42 }
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val stringParamFun = { x: String -> }
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val listFun = { l: List<String> -> l }
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val mutableListFun = fun (l: MutableList<Double>): MutableList<Int> = null!!
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val funWithIn = fun (x: Comparable<String>) {}
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val extensionFun = fun Any.() {}
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val extensionWithArgFun = fun Long.(x: Any): Date = Date()
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fun box(): String {
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assertGenericSuper("kotlin.jvm.functions.Function0<kotlin.Unit>", unitFun)
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assertGenericSuper("kotlin.jvm.functions.Function0<java.lang.Integer>", intFun)
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assertGenericSuper("kotlin.jvm.functions.Function1<java.lang.String, kotlin.Unit>", stringParamFun)
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assertGenericSuper("kotlin.jvm.functions.Function1<java.util.List<? extends java.lang.String>, java.util.List<? extends java.lang.String>>", listFun)
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assertGenericSuper("kotlin.jvm.functions.Function1<java.util.List<java.lang.Double>, java.util.List<java.lang.Integer>>", mutableListFun)
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assertGenericSuper("kotlin.jvm.functions.Function1<java.lang.Comparable<? super java.lang.String>, kotlin.Unit>", funWithIn)
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assertGenericSuper("kotlin.jvm.functions.Function1<java.lang.Object, kotlin.Unit>", extensionFun)
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assertGenericSuper("kotlin.jvm.functions.Function2<java.lang.Long, java.lang.Object, java.util.Date>", extensionWithArgFun)
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return "OK"
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}
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