104 lines
3.1 KiB
Plaintext
104 lines
3.1 KiB
Plaintext
==== tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypingWithObjectMembers3.ts (6 errors) ====
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interface Base {
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foo: string;
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}
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interface Derived extends Base {
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bar: string;
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}
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// N and M have the same name, same accessibility, same optionality, and N is a subtype of M
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// foo properties are valid, bar properties cause errors in the derived class declarations
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module NotOptional {
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interface A {
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foo: Base;
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bar: Derived;
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}
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interface B extends A {
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~
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!!! Interface 'B' incorrectly extends interface 'A':
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!!! Types of property 'bar' are incompatible:
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!!! Type 'Base' is not assignable to type 'Derived':
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!!! Property 'bar' is missing in type 'Base'.
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foo: Derived; // ok
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bar: Base; // error
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}
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interface A2 {
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1: Base;
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2.0: Derived;
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}
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interface B2 extends A2 {
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~~
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!!! Interface 'B2' incorrectly extends interface 'A2':
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!!! Types of property '2.0' are incompatible:
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!!! Type 'Base' is not assignable to type 'Derived':
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!!! Property 'bar' is missing in type 'Base'.
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1: Derived; // ok
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2: Base; // error
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}
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interface A3 {
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'1': Base;
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'2.0': Derived;
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}
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interface B3 extends A3 {
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~~
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!!! Interface 'B3' incorrectly extends interface 'A3':
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!!! Types of property ''2.0'' are incompatible:
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!!! Type 'Base' is not assignable to type 'Derived':
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!!! Property 'bar' is missing in type 'Base'.
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'1': Derived; // ok
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'2.0': Base; // error
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}
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}
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module Optional {
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interface A {
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foo?: Base;
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bar?: Derived;
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}
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interface B extends A {
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~
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!!! Interface 'B' incorrectly extends interface 'A':
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!!! Types of property 'bar' are incompatible:
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!!! Type 'Base' is not assignable to type 'Derived':
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!!! Property 'bar' is missing in type 'Base'.
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foo?: Derived; // ok
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bar?: Base; // error
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}
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interface A2 {
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1?: Base;
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2.0?: Derived;
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}
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interface B2 extends A2 {
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~~
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!!! Interface 'B2' incorrectly extends interface 'A2':
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!!! Types of property '2.0' are incompatible:
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!!! Type 'Base' is not assignable to type 'Derived':
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!!! Property 'bar' is missing in type 'Base'.
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1?: Derived; // ok
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2?: Base; // error
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}
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interface A3 {
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'1'?: Base;
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'2.0'?: Derived;
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}
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interface B3 extends A3 {
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~~
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!!! Interface 'B3' incorrectly extends interface 'A3':
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!!! Types of property ''2.0'' are incompatible:
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!!! Type 'Base' is not assignable to type 'Derived':
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!!! Property 'bar' is missing in type 'Base'.
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'1'?: Derived; // ok
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'2.0'?: Base; // error
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}
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} |