98 lines
2.9 KiB
Plaintext
98 lines
2.9 KiB
Plaintext
==== tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypingWithObjectMembers.ts (6 errors) ====
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class Base { foo: string; }
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class Derived extends Base { bar: string; }
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class Derived2 extends Derived { baz: string; }
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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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class A {
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foo: Base;
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bar: Base;
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}
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class B extends A {
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~
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!!! Class 'B' incorrectly extends base class 'A':
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!!! Types of property 'bar' are incompatible:
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!!! Type 'string' is not assignable to type 'Base':
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!!! Property 'foo' is missing in type 'String'.
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foo: Derived; // ok
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bar: string; // error
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}
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class A2 {
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1: Base;
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2.0: Base;
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}
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class B2 extends A2 {
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~~
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!!! Class 'B2' incorrectly extends base class 'A2':
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!!! Types of property '2.0' are incompatible:
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!!! Type 'string' is not assignable to type 'Base':
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!!! Property 'foo' is missing in type 'String'.
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1: Derived; // ok
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2: string; // error
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}
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class A3 {
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'1': Base;
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'2.0': Base;
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}
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class B3 extends A3 {
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~~
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!!! Class 'B3' incorrectly extends base class 'A3':
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!!! Types of property ''2.0'' are incompatible:
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!!! Type 'string' is not assignable to type 'Base':
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!!! Property 'foo' is missing in type 'String'.
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'1': Derived; // ok
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'2.0': string; // error
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}
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module TwoLevels {
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class A {
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foo: Base;
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bar: Base;
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}
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class B extends A {
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~
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!!! Class 'B' incorrectly extends base class 'A':
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!!! Types of property 'bar' are incompatible:
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!!! Type 'string' is not assignable to type 'Base':
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!!! Property 'foo' is missing in type 'String'.
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foo: Derived2; // ok
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bar: string; // error
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}
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class A2 {
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1: Base;
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2.0: Base;
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}
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class B2 extends A2 {
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~~
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!!! Class 'B2' incorrectly extends base class 'A2':
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!!! Types of property '2.0' are incompatible:
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!!! Type 'string' is not assignable to type 'Base':
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!!! Property 'foo' is missing in type 'String'.
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1: Derived2; // ok
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2: string; // error
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}
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class A3 {
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'1': Base;
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'2.0': Base;
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}
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class B3 extends A3 {
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~~
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!!! Class 'B3' incorrectly extends base class 'A3':
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!!! Types of property ''2.0'' are incompatible:
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!!! Type 'string' is not assignable to type 'Base':
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!!! Property 'foo' is missing in type 'String'.
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'1': Derived2; // ok
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'2.0': string; // error
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}
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} |