TypeScript/tests/baselines/reference/constructSignatureAssignabilityInInheritance4.types
2015-04-15 16:44:20 -07:00

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=== tests/cases/conformance/types/typeRelationships/assignmentCompatibility/constructSignatureAssignabilityInInheritance4.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
>A : A
// M's
a: new <T>(x: T) => T[];
>a : new <T>(x: T) => T[]
>T : T
>x : T
>T : T
>T : T
a2: new <T>(x: T) => string[];
>a2 : new <T>(x: T) => string[]
>T : T
>x : T
>T : T
a3: new <T>(x: T) => void;
>a3 : new <T>(x: T) => void
>T : T
>x : T
>T : T
a4: new <T, U>(x: T, y: U) => string;
>a4 : new <T, U>(x: T, y: U) => string
>T : T
>U : U
>x : T
>T : T
>y : U
>U : U
a5: new <T, U>(x: (arg: T) => U) => T;
>a5 : new <T, U>(x: (arg: T) => U) => T
>T : T
>U : U
>x : (arg: T) => U
>arg : T
>T : T
>U : U
>T : T
a6: new <T extends Base>(x: (arg: T) => Derived) => T;
>a6 : new <T extends Base>(x: (arg: T) => Derived) => T
>T : T
>Base : Base
>x : (arg: T) => Derived
>arg : T
>T : T
>Derived : Derived
>T : T
a11: new <T>(x: { foo: T }, y: { foo: T; bar: T }) => Base;
>a11 : new <T>(x: { foo: T; }, y: { foo: T; bar: T; }) => Base
>T : T
>x : { foo: T; }
>foo : T
>T : T
>y : { foo: T; bar: T; }
>foo : T
>T : T
>bar : T
>T : T
>Base : Base
a15: new <T>(x: { a: T; b: T }) => T[];
>a15 : new <T>(x: { a: T; b: T; }) => T[]
>T : T
>x : { a: T; b: T; }
>a : T
>T : T
>b : T
>T : T
>T : T
a16: new <T extends Base>(x: { a: T; b: T }) => T[];
>a16 : new <T extends Base>(x: { a: T; b: T; }) => T[]
>T : T
>Base : Base
>x : { a: T; b: T; }
>a : T
>T : T
>b : T
>T : T
>T : T
a17: {
>a17 : { new <T extends Base>(x: T): T[]; new <U extends Derived>(x: U): U[]; }
new <T extends Base>(x: T): T[];
>T : T
>Base : Base
>x : T
>T : T
>T : T
new <U extends Derived>(x: U): U[];
>U : U
>Derived : Derived
>x : U
>U : U
>U : U
};
a18: {
>a18 : { new <T extends Derived>(x: T): number[]; new <U extends Base>(x: U): number[]; }
new <T extends Derived>(x: T): number[];
>T : T
>Derived : Derived
>x : T
>T : T
new <U extends Base>(x: U): number[];
>U : U
>Base : Base
>x : U
>U : U
};
a19: {
>a19 : { new <T extends Derived>(x: new (a: T) => T): T[]; new <U extends Base>(x: new (a: U) => U): U[]; }
new <T extends Derived>(x: new (a: T) => T): T[];
>T : T
>Derived : Derived
>x : new (a: T) => T
>a : T
>T : T
>T : T
>T : T
new <U extends Base>(x: new (a: U) => U): U[];
>U : U
>Base : Base
>x : new (a: U) => U
>a : U
>U : U
>U : U
>U : U
};
a20: {
>a20 : { new (x: { new <T extends Derived>(a: T): T; new <U extends Base>(a: U): U; }): any[]; new (x: { new <T extends Base>(a: T): T; new <U extends Derived2>(a: U): U; }): any[]; }
new (x: {
>x : { new <T extends Derived>(a: T): T; new <U extends Base>(a: U): U; }
new <T extends Derived>(a: T): T;
>T : T
>Derived : Derived
>a : T
>T : T
>T : T
new <U extends Base>(a: U): U;
>U : U
>Base : Base
>a : U
>U : U
>U : U
}): any[];
new (x: {
>x : { new <T extends Base>(a: T): T; new <U extends Derived2>(a: U): U; }
new <T extends Base>(a: T): T;
>T : T
>Base : Base
>a : T
>T : T
>T : T
new <U extends Derived2>(a: U): U;
>U : U
>Derived2 : Derived2
>a : U
>U : U
>U : U
}): any[];
};
}
// S's
interface I extends A {
>I : I
>A : 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[]
>T : T
>x : T
>T : T
>T : T
a2: new <T>(x: T) => string[]; // ok
>a2 : new <T>(x: T) => string[]
>T : T
>x : T
>T : T
a3: new <T>(x: T) => T; // ok since Base returns void
>a3 : new <T>(x: T) => T
>T : T
>x : T
>T : T
>T : T
a4: new <T, U>(x: T, y: U) => string; // ok, instantiation of N is a subtype of M, T is string, U is number
>a4 : new <T, U>(x: T, y: U) => string
>T : T
>U : U
>x : T
>T : T
>y : U
>U : 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
>T : T
>U : U
>x : (arg: T) => U
>arg : T
>T : T
>U : U
>T : 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
>T : T
>Base : Base
>U : U
>Derived : Derived
>x : (arg: T) => U
>arg : T
>T : T
>U : U
>T : T
a11: new <T, U>(x: { foo: T }, y: { foo: U; bar: U }) => Base; // ok
>a11 : new <T, U>(x: { foo: T; }, y: { foo: U; bar: U; }) => Base
>T : T
>U : U
>x : { foo: T; }
>foo : T
>T : T
>y : { foo: U; bar: U; }
>foo : U
>U : U
>bar : U
>U : U
>Base : Base
a15: new <U, V>(x: { a: U; b: V; }) => U[]; // ok, T = U, T = V
>a15 : new <U, V>(x: { a: U; b: V; }) => U[]
>U : U
>V : V
>x : { a: U; b: V; }
>a : U
>U : U
>b : V
>V : V
>U : U
a16: new <T>(x: { a: T; b: T }) => T[]; // ok, more general parameter type
>a16 : new <T>(x: { a: T; b: T; }) => T[]
>T : T
>x : { a: T; b: T; }
>a : T
>T : T
>b : T
>T : T
>T : T
a17: new <T extends Base>(x: T) => T[]; // ok, more general parameter type
>a17 : new <T extends Base>(x: T) => T[]
>T : T
>Base : Base
>x : T
>T : T
>T : T
a18: new <T extends Base>(x: T) => number[]; // ok, more general parameter type
>a18 : new <T extends Base>(x: T) => number[]
>T : T
>Base : Base
>x : T
>T : T
a19: new <T extends Base>(x: new (a: T) => T) => T[]; // ok
>a19 : new <T extends Base>(x: new (a: T) => T) => T[]
>T : T
>Base : Base
>x : new (a: T) => T
>a : T
>T : T
>T : T
>T : T
a20: new (x: new <T extends Base>(a: T) => T) => any[]; // ok
>a20 : new (x: new <T extends Base>(a: T) => T) => any[]
>x : new <T extends Base>(a: T) => T
>T : T
>Base : Base
>a : T
>T : T
>T : T
}