Alexander Udalov
3269a7e693
Function references are now equal if they refer to the same function, and if the parameter/return type adaptation, which happens when a reference is used where some function type is expected, is exactly the same. This includes the number of expected positional parameters (which can be affected by defaults/varargs), whether the coercion of vararg parameter to Array type happened, and whether the coercion of return type to Unit happened. #KT-37543 Fixed
34 lines
885 B
Kotlin
Vendored
34 lines
885 B
Kotlin
Vendored
// TARGET_BACKEND: JVM
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// Temporarily ignored for JVM until KT-36024 is fixed.
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// IGNORE_BACKEND: JVM
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// IGNORE_BACKEND_FIR: JVM_IR
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// WITH_REFLECT
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import kotlin.reflect.*
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import kotlin.test.assertNotEquals
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class A {
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fun foo(s: String = "", vararg xs: Long): String = "foo"
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}
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fun checkNotEqual(x: Any, y: Any) {
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assertNotEquals(x, y)
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assertNotEquals(y, x)
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}
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fun coercionToUnit(f: (A, String, LongArray) -> Unit): Any = f
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fun varargToElement(f: (A, String, Long, Long) -> String): Any = f
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fun defaultAndVararg(f: (A) -> String): Any = f
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fun allOfTheAbove(f: (A) -> Unit): Any = f
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fun box(): String {
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val foo = A::class.members.single { it.name == "foo" }
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checkNotEqual(coercionToUnit(A::foo), foo)
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checkNotEqual(varargToElement(A::foo), foo)
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checkNotEqual(defaultAndVararg(A::foo), foo)
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checkNotEqual(allOfTheAbove(A::foo), foo)
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return "OK"
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}
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