72 lines
No EOL
1.8 KiB
Text
72 lines
No EOL
1.8 KiB
Text
==== tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypingWithObjectMembers5.ts (3 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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}
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class B implements A {
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~
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!!! Class 'B' incorrectly implements interface 'A':
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!!! Property 'foo' is missing in type 'B'.
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fooo: Derived; // error
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}
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interface A2 {
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1: Base;
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}
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class B2 implements A2 {
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~~
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!!! Class 'B2' incorrectly implements interface 'A2':
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!!! Property '1' is missing in type 'B2'.
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2: Derived; // error
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}
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interface A3 {
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'1': Base;
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}
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class B3 implements A3 {
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~~
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!!! Class 'B3' incorrectly implements interface 'A3':
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!!! Property ''1'' is missing in type 'B3'.
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'1.0': Derived; // error
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}
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}
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// same cases as above but with optional
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module Optional {
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interface A {
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foo?: Base;
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}
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class B implements A {
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fooo: Derived; // ok
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}
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interface A2 {
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1?: Base;
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}
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class B2 implements A2 {
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2: Derived; // ok
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}
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interface A3 {
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'1'?: Base;
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}
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class B3 implements A3 {
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'1.0': Derived; // ok
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}
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} |