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tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts(33,5): error TS2559: Type 'D' has no properties in common with type 'C'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts(34,5): error TS2559: Type 'E' has no properties in common with type 'C'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts(35,5): error TS2559: Type 'F' has no properties in common with type 'C'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts(36,5): error TS2559: Type 'D' has no properties in common with type '{ opt?: Base; }'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts(37,5): error TS2559: Type 'E' has no properties in common with type '{ opt?: Base; }'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts(38,5): error TS2559: Type 'F' has no properties in common with type '{ opt?: Base; }'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts(39,5): error TS2559: Type 'D' has no properties in common with type '{ opt?: Base; }'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts(40,5): error TS2559: Type 'E' has no properties in common with type '{ opt?: Base; }'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts(41,5): error TS2559: Type 'F' has no properties in common with type '{ opt?: Base; }'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts(74,5): error TS2741: Property 'opt' is missing in type 'D' but required in type 'C'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts(75,5): error TS2741: Property 'opt' is missing in type 'E' but required in type 'C'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts(76,5): error TS2741: Property 'opt' is missing in type 'F' but required in type 'C'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts(79,5): error TS2741: Property 'opt' is missing in type 'D' but required in type '{ opt: Base; }'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts(80,5): error TS2741: Property 'opt' is missing in type 'E' but required in type '{ opt: Base; }'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts(81,5): error TS2741: Property 'opt' is missing in type 'F' but required in type '{ opt: Base; }'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts(84,5): error TS2741: Property 'opt' is missing in type 'D' but required in type '{ opt: Base; }'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts(85,5): error TS2741: Property 'opt' is missing in type 'E' but required in type '{ opt: Base; }'.
tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts(86,5): error TS2741: Property 'opt' is missing in type 'F' but required in type '{ opt: Base; }'.
==== tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts (18 errors) ====
// M is optional and S contains no property with the same name as M
// N is optional and T contains no property with the same name as N
class Base { foo: string; }
class Derived extends Base { bar: string; }
class Derived2 extends Derived { baz: string; }
module TargetHasOptional {
// targets
interface C {
opt?: Base
}
var c: C;
var a: { opt?: Base; }
var b: typeof a = { opt: new Base() }
// sources
interface D {
other: Base;
}
interface E {
other: Derived;
}
interface F {
other?: Derived;
}
var d: D;
var e: E;
var f: F;
// disallowed by weak type checking
c = d;
~
!!! error TS2559: Type 'D' has no properties in common with type 'C'.
c = e;
~
!!! error TS2559: Type 'E' has no properties in common with type 'C'.
c = f;
~
!!! error TS2559: Type 'F' has no properties in common with type 'C'.
a = d;
~
!!! error TS2559: Type 'D' has no properties in common with type '{ opt?: Base; }'.
a = e;
~
!!! error TS2559: Type 'E' has no properties in common with type '{ opt?: Base; }'.
a = f;
~
!!! error TS2559: Type 'F' has no properties in common with type '{ opt?: Base; }'.
b = d;
~
!!! error TS2559: Type 'D' has no properties in common with type '{ opt?: Base; }'.
b = e;
~
!!! error TS2559: Type 'E' has no properties in common with type '{ opt?: Base; }'.
b = f;
~
!!! error TS2559: Type 'F' has no properties in common with type '{ opt?: Base; }'.
// ok
c = a;
a = c;
b = a;
b = c;
}
module SourceHasOptional {
// targets
interface C {
opt: Base
}
var c: C;
var a: { opt: Base; }
var b = { opt: new Base() }
// sources
interface D {
other?: Base;
}
interface E {
other?: Derived;
}
interface F {
other: Derived;
}
var d: D;
var e: E;
var f: F;
c = d; // error
~
!!! error TS2741: Property 'opt' is missing in type 'D' but required in type 'C'.
!!! related TS2728 tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts:53:9: 'opt' is declared here.
c = e; // error
~
!!! error TS2741: Property 'opt' is missing in type 'E' but required in type 'C'.
!!! related TS2728 tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts:53:9: 'opt' is declared here.
c = f; // error
~
!!! error TS2741: Property 'opt' is missing in type 'F' but required in type 'C'.
!!! related TS2728 tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts:53:9: 'opt' is declared here.
c = a; // ok
a = d; // error
~
!!! error TS2741: Property 'opt' is missing in type 'D' but required in type '{ opt: Base; }'.
!!! related TS2728 tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts:57:14: 'opt' is declared here.
a = e; // error
~
!!! error TS2741: Property 'opt' is missing in type 'E' but required in type '{ opt: Base; }'.
!!! related TS2728 tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts:57:14: 'opt' is declared here.
a = f; // error
~
!!! error TS2741: Property 'opt' is missing in type 'F' but required in type '{ opt: Base; }'.
!!! related TS2728 tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts:57:14: 'opt' is declared here.
a = c; // ok
b = d; // error
~
!!! error TS2741: Property 'opt' is missing in type 'D' but required in type '{ opt: Base; }'.
!!! related TS2728 tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts:58:15: 'opt' is declared here.
b = e; // error
~
!!! error TS2741: Property 'opt' is missing in type 'E' but required in type '{ opt: Base; }'.
!!! related TS2728 tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts:58:15: 'opt' is declared here.
b = f; // error
~
!!! error TS2741: Property 'opt' is missing in type 'F' but required in type '{ opt: Base; }'.
!!! related TS2728 tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersOptionality2.ts:58:15: 'opt' is declared here.
b = a; // ok
b = c; // ok
}
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