=== tests/cases/conformance/types/typeRelationships/assignmentCompatibility/callSignatureAssignabilityInInheritance5.ts ===
// checking subtype relations for function types as it relates to contextual signature instantiation
// same as subtypingWithCallSignatures2 just with an extra level of indirection in the inheritance chain

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: (x: number) => number[];
>a : (x: number) => number[]
>x : number

    a2: (x: number) => string[];
>a2 : (x: number) => string[]
>x : number

    a3: (x: number) => void;
>a3 : (x: number) => void
>x : number

    a4: (x: string, y: number) => string;
>a4 : (x: string, y: number) => string
>x : string
>y : number

    a5: (x: (arg: string) => number) => string;
>a5 : (x: (arg: string) => number) => string
>x : (arg: string) => number
>arg : string

    a6: (x: (arg: Base) => Derived) => Base;
>a6 : (x: (arg: Base) => Derived) => Base
>x : (arg: Base) => Derived
>arg : Base
>Base : Base
>Derived : Derived
>Base : Base

    a7: (x: (arg: Base) => Derived) => (r: Base) => Derived;
>a7 : (x: (arg: Base) => Derived) => (r: Base) => Derived
>x : (arg: Base) => Derived
>arg : Base
>Base : Base
>Derived : Derived
>r : Base
>Base : Base
>Derived : Derived

    a8: (x: (arg: Base) => Derived, y: (arg2: Base) => Derived) => (r: Base) => Derived;
>a8 : (x: (arg: Base) => Derived, y: (arg2: Base) => Derived) => (r: Base) => Derived
>x : (arg: Base) => Derived
>arg : Base
>Base : Base
>Derived : Derived
>y : (arg2: Base) => Derived
>arg2 : Base
>Base : Base
>Derived : Derived
>r : Base
>Base : Base
>Derived : Derived

    a9: (x: (arg: Base) => Derived, y: (arg2: Base) => Derived) => (r: Base) => Derived;
>a9 : (x: (arg: Base) => Derived, y: (arg2: Base) => Derived) => (r: Base) => Derived
>x : (arg: Base) => Derived
>arg : Base
>Base : Base
>Derived : Derived
>y : (arg2: Base) => Derived
>arg2 : Base
>Base : Base
>Derived : Derived
>r : Base
>Base : Base
>Derived : Derived

    a10: (...x: Derived[]) => Derived;
>a10 : (...x: Derived[]) => Derived
>x : Derived[]
>Derived : Derived
>Derived : Derived

    a11: (x: { foo: string }, y: { foo: string; bar: string }) => Base;
>a11 : (x: { foo: string; }, y: { foo: string; bar: string; }) => Base
>x : { foo: string; }
>foo : string
>y : { foo: string; bar: string; }
>foo : string
>bar : string
>Base : Base

    a12: (x: Array<Base>, y: Array<Derived2>) => Array<Derived>;
>a12 : (x: Base[], y: Derived2[]) => Derived[]
>x : Base[]
>Array : T[]
>Base : Base
>y : Derived2[]
>Array : T[]
>Derived2 : Derived2
>Array : T[]
>Derived : Derived

    a13: (x: Array<Base>, y: Array<Derived>) => Array<Derived>;
>a13 : (x: Base[], y: Derived[]) => Derived[]
>x : Base[]
>Array : T[]
>Base : Base
>y : Derived[]
>Array : T[]
>Derived : Derived
>Array : T[]
>Derived : Derived

    a14: (x: { a: string; b: number }) => Object;
>a14 : (x: { a: string; b: number; }) => Object
>x : { a: string; b: number; }
>a : string
>b : number
>Object : Object
}

interface B extends A {
>B : B
>A : A

    a: <T>(x: T) => T[];
>a : <T>(x: T) => T[]
>T : T
>x : T
>T : T
>T : T
}

// S's
interface I extends B {
>I : I
>B : B

    // N's
    a: <T>(x: T) => T[]; // ok, instantiation of N is a subtype of M, T is number
>a : <T>(x: T) => T[]
>T : T
>x : T
>T : T
>T : T

    a2: <T>(x: T) => string[]; // ok
>a2 : <T>(x: T) => string[]
>T : T
>x : T
>T : T

    a3: <T>(x: T) => T; // ok since Base returns void
>a3 : <T>(x: T) => T
>T : T
>x : T
>T : T
>T : T

    a4: <T, U>(x: T, y: U) => T; // ok, instantiation of N is a subtype of M, T is string, U is number
>a4 : <T, U>(x: T, y: U) => T
>T : T
>U : U
>x : T
>T : T
>y : U
>U : U
>T : T

    a5: <T, U>(x: (arg: T) => U) => T; // ok, U is in a parameter position so inferences can be made
>a5 : <T, U>(x: (arg: T) => U) => T
>T : T
>U : U
>x : (arg: T) => U
>arg : T
>T : T
>U : U
>T : T

    a6: <T extends Base, U extends Derived>(x: (arg: T) => U) => T; // ok, same as a5 but with object type hierarchy
>a6 : <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

    a7: <T extends Base, U extends Derived>(x: (arg: T) => U) => (r: T) => U; // ok
>a7 : <T extends Base, U extends Derived>(x: (arg: T) => U) => (r: T) => U
>T : T
>Base : Base
>U : U
>Derived : Derived
>x : (arg: T) => U
>arg : T
>T : T
>U : U
>r : T
>T : T
>U : U

    a8: <T extends Base, U extends Derived>(x: (arg: T) => U, y: (arg2: T) => U) => (r: T) => U; // ok
>a8 : <T extends Base, U extends Derived>(x: (arg: T) => U, y: (arg2: T) => U) => (r: T) => U
>T : T
>Base : Base
>U : U
>Derived : Derived
>x : (arg: T) => U
>arg : T
>T : T
>U : U
>y : (arg2: T) => U
>arg2 : T
>T : T
>U : U
>r : T
>T : T
>U : U

    a9: <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 : <T extends Base, U extends Derived>(x: (arg: T) => U, y: (arg2: { foo: string; bing: number; }) => U) => (r: T) => U
>T : T
>Base : Base
>U : U
>Derived : Derived
>x : (arg: T) => U
>arg : T
>T : T
>U : U
>y : (arg2: { foo: string; bing: number; }) => U
>arg2 : { foo: string; bing: number; }
>foo : string
>bing : number
>U : U
>r : T
>T : T
>U : U

    a10: <T extends Derived>(...x: T[]) => T; // ok
>a10 : <T extends Derived>(...x: T[]) => T
>T : T
>Derived : Derived
>x : T[]
>T : T
>T : T

    a11: <T extends Base>(x: T, y: T) => T; // ok
>a11 : <T extends Base>(x: T, y: T) => T
>T : T
>Base : Base
>x : T
>T : T
>y : T
>T : T
>T : T

    a12: <T extends Array<Base>>(x: Array<Base>, y: T) => Array<Derived>; // ok, less specific parameter type
>a12 : <T extends Base[]>(x: Base[], y: T) => Derived[]
>T : T
>Array : T[]
>Base : Base
>x : Base[]
>Array : T[]
>Base : Base
>y : T
>T : T
>Array : T[]
>Derived : Derived

    a13: <T extends Array<Derived>>(x: Array<Base>, y: T) => T; // ok, T = Array<Derived>, satisfies constraint, contextual signature instantiation succeeds
>a13 : <T extends Derived[]>(x: Base[], y: T) => T
>T : T
>Array : T[]
>Derived : Derived
>x : Base[]
>Array : T[]
>Base : Base
>y : T
>T : T
>T : T

    a14: <T>(x: { a: T; b: T }) => T; // ok, best common type yields T = {} but that's satisfactory for this signature
>a14 : <T>(x: { a: T; b: T; }) => T
>T : T
>x : { a: T; b: T; }
>a : T
>T : T
>b : T
>T : T
>T : T
}