118 lines
3.6 KiB
Plaintext
118 lines
3.6 KiB
Plaintext
tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypesOfTypeParameter.ts(7,7): error TS2415: Class 'D1<T, U>' incorrectly extends base class 'C3<T>'.
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Types of property 'foo' are incompatible.
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Type 'U' is not assignable to type 'T'.
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tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypesOfTypeParameter.ts(95,21): error TS2313: Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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==== tests/cases/conformance/types/typeRelationships/subtypesAndSuperTypes/subtypesOfTypeParameter.ts (2 errors) ====
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// checking whether other types are subtypes of type parameters
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class C3<T> {
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foo: T;
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}
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class D1<T, U> extends C3<T> {
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~~
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!!! error TS2415: Class 'D1<T, U>' incorrectly extends base class 'C3<T>'.
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!!! error TS2415: Types of property 'foo' are incompatible.
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!!! error TS2415: Type 'U' is not assignable to type 'T'.
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foo: U; // error
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}
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function f1<T, U>(x: T, y: U) {
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var r = true ? x : y; // error
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var r = true ? y : x; // error
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}
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interface I1 { foo: number; }
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class C1 { foo: number; }
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class C2<T> { foo: T; }
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enum E { A }
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function f() { }
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module f {
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export var bar = 1;
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}
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class c { baz: string }
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module c {
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export var bar = 1;
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}
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// errors throughout
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function f2<T, U>(x: T, y: U) {
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var r0 = true ? x : null;
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var r0 = true ? null : x;
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var u: typeof undefined;
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var r0b = true ? u : x;
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var r0b = true ? x : u;
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var r1 = true ? 1 : x;
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var r1 = true ? x : 1;
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var r2 = true ? '' : x;
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var r2 = true ? x : '';
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var r3 = true ? true : x;
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var r3 = true ? x : true;
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var r4 = true ? new Date() : x;
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var r4 = true ? x : new Date();
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var r5 = true ? /1/ : x;
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var r5 = true ? x : /1/;
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var r6 = true ? { foo: 1 } : x;
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var r6 = true ? x : { foo: 1 };
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var r7 = true ? () => { } : x;
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var r7 = true ? x : () => { };
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var r8 = true ? <T>(x: T) => { return x } : x;
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var r8b = true ? x : <T>(x: T) => { return x }; // type parameters not identical across declarations
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var i1: I1;
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var r9 = true ? i1 : x;
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var r9 = true ? x : i1;
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var c1: C1;
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var r10 = true ? c1 : x;
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var r10 = true ? x : c1;
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var c2: C2<number>;
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var r12 = true ? c2 : x;
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var r12 = true ? x : c2;
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var r13 = true ? E : x;
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var r13 = true ? x : E;
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var r14 = true ? E.A : x;
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var r14 = true ? x : E.A;
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var af: typeof f;
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var r15 = true ? af : x;
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var r15 = true ? x : af;
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var ac: typeof c;
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var r16 = true ? ac : x;
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var r16 = true ? x : ac;
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function f17<T>(a: T) {
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var r17 = true ? x : a;
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var r17 = true ? a : x;
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}
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function f18<T, U extends T>(a: U) {
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~~~~~~~~~~~
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!!! error TS2313: Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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var r18 = true ? x : a;
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var r18 = true ? a : x;
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}
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var r19 = true ? new Object() : x; // BCT is Object
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var r19 = true ? x : new Object(); // BCT is Object
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var r20 = true ? {} : x; // ok
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var r20 = true ? x : {}; // ok
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} |