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=== tests/cases/conformance/types/typeRelationships/assignmentCompatibility/constructSignatureAssignabilityInInheritance2.ts ===
// checking subtype relations for function types as it relates to contextual signature instantiation
class Base { foo: string; }
>Base : Base
>foo : string
class Derived extends Base { bar: string; }
>Derived : Derived
>Base : Base
>bar : string
class Derived2 extends Derived { baz: string; }
>Derived2 : Derived2
>Derived : Derived
>baz : string
class OtherDerived extends Base { bing: string; }
>OtherDerived : OtherDerived
>Base : Base
>bing : string
interface A { // T
// M's
a: new (x: number) => number[];
>a : new (x: number) => number[]
>x : number
a2: new (x: number) => string[];
>a2 : new (x: number) => string[]
>x : number
a3: new (x: number) => void;
>a3 : new (x: number) => void
>x : number
a4: new (x: string, y: number) => string;
>a4 : new (x: string, y: number) => string
>x : string
>y : number
a5: new (x: (arg: string) => number) => string;
>a5 : new (x: (arg: string) => number) => string
>x : (arg: string) => number
>arg : string
a6: new (x: (arg: Base) => Derived) => Base;
>a6 : new (x: (arg: Base) => Derived) => Base
>x : (arg: Base) => Derived
>arg : Base
a7: new (x: (arg: Base) => Derived) => (r: Base) => Derived;
>a7 : new (x: (arg: Base) => Derived) => (r: Base) => Derived
>x : (arg: Base) => Derived
>arg : Base
>r : Base
a8: new (x: (arg: Base) => Derived, y: (arg2: Base) => Derived) => (r: Base) => Derived;
>a8 : new (x: (arg: Base) => Derived, y: (arg2: Base) => Derived) => (r: Base) => Derived
>x : (arg: Base) => Derived
>arg : Base
>y : (arg2: Base) => Derived
>arg2 : Base
>r : Base
a9: new (x: (arg: Base) => Derived, y: (arg2: Base) => Derived) => (r: Base) => Derived;
>a9 : new (x: (arg: Base) => Derived, y: (arg2: Base) => Derived) => (r: Base) => Derived
>x : (arg: Base) => Derived
>arg : Base
>y : (arg2: Base) => Derived
>arg2 : Base
>r : Base
a10: new (...x: Derived[]) => Derived;
>a10 : new (...x: Derived[]) => Derived
>x : Derived[]
a11: new (x: { foo: string }, y: { foo: string; bar: string }) => Base;
>a11 : new (x: { foo: string; }, y: { foo: string; bar: string; }) => Base
>x : { foo: string; }
>foo : string
>y : { foo: string; bar: string; }
>foo : string
>bar : string
a12: new (x: Array<Base>, y: Array<Derived2>) => Array<Derived>;
>a12 : new (x: Base[], y: Derived2[]) => Derived[]
>x : Base[]
>y : Derived2[]
a13: new (x: Array<Base>, y: Array<Derived>) => Array<Derived>;
>a13 : new (x: Base[], y: Derived[]) => Derived[]
>x : Base[]
>y : Derived[]
a14: new (x: { a: string; b: number }) => Object;
>a14 : new (x: { a: string; b: number; }) => Object
>x : { a: string; b: number; }
>a : string
>b : number
a15: {
>a15 : { new (x: number): number[]; new (x: string): string[]; }
new (x: number): number[];
>x : number
new (x: string): string[];
>x : string
};
a16: {
>a16 : { new <T extends Derived>(x: T): number[]; new <U extends Base>(x: U): number[]; }
new <T extends Derived>(x: T): number[];
>x : T
new <U extends Base>(x: U): number[];
>x : U
};
a17: {
>a17 : { new (x: new (a: number) => number): number[]; new (x: new (a: string) => string): string[]; }
new (x: new (a: number) => number): number[];
>x : new (a: number) => number
>a : number
new (x: new (a: string) => string): string[];
>x : new (a: string) => string
>a : string
};
a18: {
>a18 : { new (x: { new (a: number): number; new (a: string): string; }): any[]; new (x: { new (a: boolean): boolean; new (a: Date): Date; }): any[]; }
new (x: {
>x : { new (a: number): number; new (a: string): string; }
new (a: number): number;
>a : number
new (a: string): string;
>a : string
}): any[];
new (x: {
>x : { new (a: boolean): boolean; new (a: Date): Date; }
new (a: boolean): boolean;
>a : boolean
new (a: Date): Date;
>a : Date
}): any[];
};
}
// S's
interface I extends A {
// N's
a: new <T>(x: T) => T[]; // ok, instantiation of N is a subtype of M, T is number
>a : new <T>(x: T) => T[]
>x : T
a2: new <T>(x: T) => string[]; // ok
>a2 : new <T>(x: T) => string[]
>x : T
a3: new <T>(x: T) => T; // ok since Base returns void
>a3 : new <T>(x: T) => T
>x : T
a4: new <T, U>(x: T, y: U) => T; // ok, instantiation of N is a subtype of M, T is string, U is number
>a4 : new <T, U>(x: T, y: U) => T
>x : T
>y : U
a5: new <T, U>(x: (arg: T) => U) => T; // ok, U is in a parameter position so inferences can be made
>a5 : new <T, U>(x: (arg: T) => U) => T
>x : (arg: T) => U
>arg : T
a6: new <T extends Base, U extends Derived>(x: (arg: T) => U) => T; // ok, same as a5 but with object type hierarchy
>a6 : new <T extends Base, U extends Derived>(x: (arg: T) => U) => T
>x : (arg: T) => U
>arg : T
a7: new <T extends Base, U extends Derived>(x: (arg: T) => U) => (r: T) => U; // ok
>a7 : new <T extends Base, U extends Derived>(x: (arg: T) => U) => (r: T) => U
>x : (arg: T) => U
>arg : T
>r : T
a8: new <T extends Base, U extends Derived>(x: (arg: T) => U, y: (arg2: T) => U) => (r: T) => U; // ok
>a8 : new <T extends Base, U extends Derived>(x: (arg: T) => U, y: (arg2: T) => U) => (r: T) => U
>x : (arg: T) => U
>arg : T
>y : (arg2: T) => U
>arg2 : T
>r : T
a9: new <T extends Base, U extends Derived>(x: (arg: T) => U, y: (arg2: { foo: string; bing: number }) => U) => (r: T) => U; // ok, same as a8 with compatible object literal
>a9 : new <T extends Base, U extends Derived>(x: (arg: T) => U, y: (arg2: { foo: string; bing: number; }) => U) => (r: T) => U
>x : (arg: T) => U
>arg : T
>y : (arg2: { foo: string; bing: number; }) => U
>arg2 : { foo: string; bing: number; }
>foo : string
>bing : number
>r : T
a10: new <T extends Derived>(...x: T[]) => T; // ok
>a10 : new <T extends Derived>(...x: T[]) => T
>x : T[]
a11: new <T extends Base>(x: T, y: T) => T; // ok
>a11 : new <T extends Base>(x: T, y: T) => T
>x : T
>y : T
a12: new <T extends Array<Base>>(x: Array<Base>, y: T) => Array<Derived>; // ok, less specific parameter type
>a12 : new <T extends Base[]>(x: Base[], y: T) => Derived[]
>x : Base[]
>y : T
a13: new <T extends Array<Derived>>(x: Array<Base>, y: T) => T; // ok, T = Array<Derived>, satisfies constraint, contextual signature instantiation succeeds
>a13 : new <T extends Derived[]>(x: Base[], y: T) => T
>x : Base[]
>y : T
a14: new <T, U>(x: { a: T; b: U }) => T; // ok
>a14 : new <T, U>(x: { a: T; b: U; }) => T
>x : { a: T; b: U; }
>a : T
>b : U
a15: new <T>(x: T) => T[]; // ok
>a15 : new <T>(x: T) => T[]
>x : T
a16: new <T extends Base>(x: T) => number[]; // ok
>a16 : new <T extends Base>(x: T) => number[]
>x : T
a17: new <T>(x: new (a: T) => T) => T[]; // ok
>a17 : new <T>(x: new (a: T) => T) => T[]
>x : new (a: T) => T
>a : T
a18: new <T>(x: new (a: T) => T) => T[]; // ok, no inferences for T but assignable to any
>a18 : new <T>(x: new (a: T) => T) => T[]
>x : new (a: T) => T
>a : T
}
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