75 lines
3.4 KiB
Plaintext
75 lines
3.4 KiB
Plaintext
tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractInstantiations2.ts(10,1): error TS2511: Cannot create an instance of the abstract class 'B'.
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tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractInstantiations2.ts(17,5): error TS2511: Cannot create an instance of the abstract class 'B'.
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tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractInstantiations2.ts(21,1): error TS2511: Cannot create an instance of the abstract class 'B'.
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tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractInstantiations2.ts(26,7): error TS2515: Non-abstract class 'C' does not implement inherited abstract member 'bar' from class 'B'.
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tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractInstantiations2.ts(46,5): error TS2391: Function implementation is missing or not immediately following the declaration.
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tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractInstantiations2.ts(46,5): error TS2512: Overload signatures must all be abstract or not abstract.
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tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractInstantiations2.ts(50,5): error TS1244: Abstract methods can only appear within an abstract class.
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==== tests/cases/conformance/classes/classDeclarations/classAbstractKeyword/classAbstractInstantiations2.ts (7 errors) ====
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class A {
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// ...
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}
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abstract class B {
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foo(): number { return this.bar(); }
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abstract bar() : number;
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}
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new B; // error
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~~~~~
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!!! error TS2511: Cannot create an instance of the abstract class 'B'.
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var BB: typeof B = B;
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var AA: typeof A = BB; // error, AA is not of abstract type.
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new AA;
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function constructB(Factory : typeof B) {
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new Factory; // error -- Factory is of type typeof B.
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~~~~~~~~~~~
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!!! error TS2511: Cannot create an instance of the abstract class 'B'.
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}
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var BB = B;
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new BB; // error -- BB is of type typeof B.
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~~~~~~
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!!! error TS2511: Cannot create an instance of the abstract class 'B'.
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var x : any = C;
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new x; // okay -- undefined behavior at runtime
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class C extends B { } // error -- not declared abstract
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~
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!!! error TS2515: Non-abstract class 'C' does not implement inherited abstract member 'bar' from class 'B'.
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abstract class D extends B { } // okay
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class E extends B { // okay -- implements abstract method
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bar() { return 1; }
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}
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abstract class F extends B {
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abstract foo() : number;
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bar() { return 2; }
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}
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abstract class G {
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abstract qux(x : number) : string;
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abstract qux() : number;
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y : number;
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abstract quz(x : number, y : string) : boolean; // error -- declarations must be adjacent
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abstract nom(): boolean;
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nom(x : number): boolean; // error -- use of modifier abstract must match on all overloads.
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~~~
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!!! error TS2391: Function implementation is missing or not immediately following the declaration.
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~~~
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!!! error TS2512: Overload signatures must all be abstract or not abstract.
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}
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class H { // error -- not declared abstract
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abstract baz() : number;
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~~~~~~~~
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!!! error TS1244: Abstract methods can only appear within an abstract class.
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} |