Mikhail Glukhikh
754f8af3fc
It provides also a fix for KT-7585 (empty type intersection assertion). A set of relevant tests, one fixed test
31 lines
648 B
Kotlin
Vendored
31 lines
648 B
Kotlin
Vendored
// FILE: A.java
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class A {}
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// FILE: Wrapper.java
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abstract class Wrapper<T extends A> {
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protected T t;
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Wrapper(T t) { this.t = t; }
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}
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// FILE: kt7585.kt
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class E
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class MyWrapper(a: A): Wrapper<A>(a)
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// This wrapper is not legal
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class TheirWrapper(e: E): Wrapper<<!UPPER_BOUND_VIOLATED, UPPER_BOUND_VIOLATED!>E<!>>(e)
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data class Pair<out T>(val a: T, val b: T)
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fun foo(): String {
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val matrix: Pair<Wrapper<*>>
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// It's not legal to do such a thing because E is not derived from A
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// But we should not have assertion errors because of it!
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matrix = Pair(MyWrapper(A()), TheirWrapper(E()))
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return matrix.toString()
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}
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