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30794060a9
Leave only 3*2 = 6 classes: KProperty0, KProperty1, KProperty2 and their mutable analogs, depending on the number of receivers a property takes
42 lines
1.5 KiB
Kotlin
Vendored
42 lines
1.5 KiB
Kotlin
Vendored
import kotlin.reflect.*
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import kotlin.reflect.jvm.*
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public open class K {
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var prop: String = ":("
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val Int.ext: Int get() = this
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}
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fun box(): String {
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val j = J()
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val prop = J::prop
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if (prop !is KMutableProperty1<*, *>) return "Fail instanceof"
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if (prop.name != "prop") return "Fail name: ${prop.name}"
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if (prop.get(j) != ":(") return "Fail get before: ${prop[j]}"
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prop[j] = ":)"
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if (prop.get(j) != ":)") return "Fail get after: ${prop[j]}"
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if (prop == K::prop) return "Fail J::prop == K::prop (these are different properties)"
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val klass = javaClass<J>().kotlin
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if (klass.declaredProperties.isNotEmpty()) return "Fail: declaredProperties should be empty"
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if (klass.declaredExtensionProperties.isNotEmpty()) return "Fail: declaredExtensionProperties should be empty"
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val prop2 = klass.properties.firstOrNull { it.name == "prop" } ?: "Fail: no 'prop' property in properties"
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if (prop != prop2) return "Fail: property references from :: and from properties differ: $prop != $prop2"
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if (prop2 !is KMutableProperty1<*, *>) return "Fail instanceof 2"
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(prop2 as KMutableProperty1<J, String>).set(j, "::)")
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if (prop.get(j) != "::)") return "Fail get after 2: ${prop[j]}"
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val ext = klass.extensionProperties.firstOrNull { it.name == "ext" } ?: "Fail: no 'ext' property in extensionProperties"
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ext as KProperty2<J, Int, Int>
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val fortyTwo = ext.get(j, 42)
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if (fortyTwo != 42) return "Fail ext get: $fortyTwo"
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return "OK"
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}
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