Files
kotlin-fork/compiler/testData/diagnostics/tests/generics/Projections.kt
T
Mikhail Glukhikh 53d6ac24e5 Switch kotlin version to 1.7
* Change 1.6 to 1.7 constants
* Fix SAFE_CALL_WILL_CHANGE_NULLABILITY for testData
* Change EXPOSED_PROPERTY_TYPE_IN_CONSTRUCTOR_WARNING to EXPOSED_PROPERTY_TYPE_IN_CONSTRUCTOR_ERROR
* Change NON_EXHAUSTIVE_WHEN_STATEMENT to NO_ELSE_IN_WHEN
* Fix testData for SafeCallsAreAlwaysNullable
* Change T -> T & Any in test dumps
* Change INVALID_CHARACTERS_NATIVE_WARNING -> INVALID_CHARACTERS_NATIVE_ERROR
* TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM_WARNING -> TYPECHECKER_HAS_RUN_INTO_RECURSIVE_PROBLEM_ERROR
2022-02-25 11:46:27 +00:00

54 lines
1.9 KiB
Kotlin
Vendored

// !CHECK_TYPE
class In<in T>() {
fun f(t : T) : Unit {}
fun f(t : Int) : Int = 1
fun f1(t : T) : Unit {}
}
class Out<out T>() {
fun f() : T {throw IllegalStateException()}
fun f(a : Int) : Int = a
}
class Inv<T>() {
fun f(t : T) : T = t
fun inf(t : T) : Unit {}
fun outf() : T {throw IllegalStateException()}
}
fun testInOut() {
In<String>().f("1");
(null <!CAST_NEVER_SUCCEEDS!>as<!> In<<!REDUNDANT_PROJECTION!>in<!> String>).f("1")
(null <!CAST_NEVER_SUCCEEDS!>as<!> In<*>).f(<!TYPE_MISMATCH!>"1"<!>) // Wrong Arg
In<String>().f(1);
(null <!CAST_NEVER_SUCCEEDS!>as<!> In<<!REDUNDANT_PROJECTION!>in<!> String>).f(1)
(null <!CAST_NEVER_SUCCEEDS!>as<!> In<*>).f(1);
Out<Int>().f(1)
(null <!CAST_NEVER_SUCCEEDS!>as<!> Out<<!REDUNDANT_PROJECTION!>out<!> Int>).f(1)
(null <!CAST_NEVER_SUCCEEDS!>as<!> Out<*>).f(1)
Out<Int>().f()
(null <!CAST_NEVER_SUCCEEDS!>as<!> Out<<!REDUNDANT_PROJECTION!>out<!> Int>).f()
(null <!CAST_NEVER_SUCCEEDS!>as<!> Out<*>).f()
Inv<Int>().f(1)
(null <!CAST_NEVER_SUCCEEDS!>as<!> Inv<in Int>).f(1)
(null <!CAST_NEVER_SUCCEEDS!>as<!> Inv<out Int>).f(<!CONSTANT_EXPECTED_TYPE_MISMATCH!>1<!>) // !!
(null <!CAST_NEVER_SUCCEEDS!>as<!> Inv<*>).f(<!CONSTANT_EXPECTED_TYPE_MISMATCH!>1<!>) // !!
Inv<Int>().inf(1)
(null <!CAST_NEVER_SUCCEEDS!>as<!> Inv<in Int>).inf(1)
(null <!CAST_NEVER_SUCCEEDS!>as<!> Inv<out Int>).inf(<!CONSTANT_EXPECTED_TYPE_MISMATCH!>1<!>) // !!
(null <!CAST_NEVER_SUCCEEDS!>as<!> Inv<*>).inf(<!CONSTANT_EXPECTED_TYPE_MISMATCH!>1<!>) // !!
Inv<Int>().outf()
checkSubtype<Int>(<!TYPE_MISMATCH!>(null <!CAST_NEVER_SUCCEEDS!>as<!> Inv<in Int>).outf()<!>) // Type mismatch
(null <!CAST_NEVER_SUCCEEDS!>as<!> Inv<out Int>).outf()
(null <!CAST_NEVER_SUCCEEDS!>as<!> Inv<*>).outf()
Inv<Int>().outf(<!TOO_MANY_ARGUMENTS!>1<!>) // Wrong Arg
}