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=== tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypingWithObjectMembers.ts ===
class Base { foo: string; }
>Base : Base
>foo : string
class Derived extends Base { bar: string; }
>Derived : Derived
>Base : Base
>bar : string
class Derived2 extends Derived { baz: string; }
>Derived2 : Derived2
>Derived : Derived
>baz : string
// N and M have the same name, same accessibility, same optionality, and N is a subtype of M
// foo properties are valid, bar properties cause errors in the derived class declarations
class A {
>A : A
foo: Base;
>foo : Base
bar: Base;
>bar : Base
}
class B extends A {
>B : B
>A : A
foo: Derived; // ok
>foo : Derived
bar: string; // error
>bar : string
}
class A2 {
>A2 : A2
1: Base;
>1 : Base
2.0: Base;
>2.0 : Base
}
class B2 extends A2 {
>B2 : B2
>A2 : A2
1: Derived; // ok
>1 : Derived
2: string; // error
>2 : string
}
class A3 {
>A3 : A3
'1': Base;
>'1' : Base
'2.0': Base;
>'2.0' : Base
}
class B3 extends A3 {
>B3 : B3
>A3 : A3
'1': Derived; // ok
>'1' : Derived
'2.0': string; // error
>'2.0' : string
}
module TwoLevels {
>TwoLevels : typeof TwoLevels
class A {
>A : A
foo: Base;
>foo : Base
bar: Base;
>bar : Base
}
class B extends A {
>B : B
>A : A
foo: Derived2; // ok
>foo : Derived2
bar: string; // error
>bar : string
}
class A2 {
>A2 : A2
1: Base;
>1 : Base
2.0: Base;
>2.0 : Base
}
class B2 extends A2 {
>B2 : B2
>A2 : A2
1: Derived2; // ok
>1 : Derived2
2: string; // error
>2 : string
}
class A3 {
>A3 : A3
'1': Base;
>'1' : Base
'2.0': Base;
>'2.0' : Base
}
class B3 extends A3 {
>B3 : B3
>A3 : A3
'1': Derived2; // ok
>'1' : Derived2
'2.0': string; // error
>'2.0' : string
}
}
|
