Alexander Udalov
4fffed4165
Remove duplication & unnecessary checks, check equality in both directions, check hashCode, add more cases, rename variables for clarity. #KT-13490
70 lines
2.6 KiB
Kotlin
Vendored
70 lines
2.6 KiB
Kotlin
Vendored
// TARGET_BACKEND: JVM
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// WITH_REFLECT
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import kotlin.reflect.KMutableProperty1
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import kotlin.reflect.KMutableProperty2
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import kotlin.reflect.full.*
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class C(val token: Int) {
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var member = 42
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var String.memberExtension: Int
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get() = 42
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set(value) {}
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override fun equals(other: Any?): Boolean =
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other is C && token == other.token
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}
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var String.topLevel: String
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get() = this
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set(value) {}
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fun checkEqual(a: Any, b: Any) {
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if (a != b || b != a) throw AssertionError("Objects should be equal")
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if (a.hashCode() != b.hashCode()) throw AssertionError("Hash codes should be equal")
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}
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fun checkNotEqual(a: Any, b: Any) {
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if (a == b || b == a) throw AssertionError("Objects should NOT be equal")
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}
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fun box(): String {
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val unboundMember = C::member
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val unboundMemberReflect = C::class.memberProperties.single { it.name == "member" } as KMutableProperty1
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val unboundTopLevel = String::topLevel
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checkEqual(unboundMember.getter, unboundMemberReflect.getter)
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checkEqual(unboundMember.setter, unboundMemberReflect.setter)
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checkNotEqual(unboundMember.getter, unboundMember.setter)
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val boundMember = C(42)::member
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val boundTopLevel = ""::topLevel
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checkEqual(boundMember.getter, boundMember.getter)
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checkEqual(boundMember.setter, boundMember.setter)
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checkEqual(unboundMember.getter, C::member.getter)
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checkEqual(unboundMember.setter, C::member.setter)
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val memberExtension = C::class.memberExtensionProperties.single { it.name == "memberExtension" } as KMutableProperty2
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// Accessors of KProperty0, KProperty1 and KProperty2 are not equal to each other
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checkNotEqual(boundMember.getter, unboundMember.getter)
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checkNotEqual(boundMember.setter, unboundMember.setter)
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checkNotEqual(boundMember.getter, unboundMemberReflect.getter)
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checkNotEqual(boundMember.setter, unboundMemberReflect.setter)
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checkNotEqual(boundMember.getter, memberExtension.getter)
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checkNotEqual(boundMember.setter, memberExtension.setter)
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checkNotEqual(unboundMember.getter, memberExtension.getter)
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checkNotEqual(unboundMember.setter, memberExtension.setter)
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checkNotEqual(unboundTopLevel.getter, unboundMember.getter)
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checkNotEqual(unboundTopLevel.setter, unboundMember.setter)
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checkNotEqual(unboundTopLevel.getter, boundTopLevel.getter)
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checkNotEqual(unboundTopLevel.setter, boundTopLevel.setter)
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// Check that receiver value has effect on equals
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checkNotEqual(C(42)::member.getter, C(43)::member.getter)
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checkNotEqual(C(42)::member.setter, C(43)::member.setter)
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return "OK"
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}
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