TypeScript/tests/baselines/reference/objectTypesIdentityWithGenericConstructSignaturesDifferingByConstraints3.js

147 lines
4.1 KiB
TypeScript

//// [objectTypesIdentityWithGenericConstructSignaturesDifferingByConstraints3.ts]
// Two call or construct signatures are considered identical when they have the same number of type parameters and, considering those
// parameters pairwise identical, have identical type parameter constraints, identical number of parameters with identical kind(required,
// optional or rest) and types, and identical return types.
class One { foo: string }
class Two { foo: string }
interface Three { foo: string }
interface Four<T> { foo: T }
interface Five<T> extends Four<T> { }
interface Six<T, U> {
foo: T;
}
class B<T extends U, U extends Two> {
constructor(x: T, y: U) { return null; }
}
class C<T extends U, U extends Three> {
constructor(x: T, y: U) { return null; }
}
class D<T extends U, U extends Four<string>> {
constructor(x: T, y: U) { return null; }
}
interface I<T extends U, U extends Five<string>> {
new(x: T, y: U): string;
}
interface I2 {
new<T extends U, U extends Six<string, string>>(x: T, y: U): string;
}
var a: { new<T extends U, U extends One>(x: T, y: U): string }
var b = { new<T extends U, U extends Two>(x: T, y: U) { return ''; } }; // not a construct signature, function called new
function foo1b(x: B<Two, Two>);
function foo1b(x: B<Two, Two>); // error
function foo1b(x: any) { }
function foo1c(x: C<Three, Three>);
function foo1c(x: C<Three, Three>); // error
function foo1c(x: any) { }
function foo2(x: I<Five<string>, Five<string>>);
function foo2(x: I<Five<string>, Five<string>>); // error
function foo2(x: any) { }
function foo3(x: typeof a);
function foo3(x: typeof a); // error
function foo3(x: any) { }
function foo4(x: typeof b);
function foo4(x: typeof b); // error
function foo4(x: any) { }
function foo5c(x: C<Three, Three>);
function foo5c(x: D<Four<string>, Four<string>>); // error
function foo5c(x: any) { }
function foo6c(x: C<Three, Three>);
function foo6c(x: D<Four<string>, Four<string>>); // error
function foo6c(x: any) { }
function foo8(x: B<Two, Two>);
function foo8(x: I<Five<string>, Five<string>>); // error
function foo8(x: any) { }
function foo9(x: B<Two, Two>);
function foo9(x: C<Three, Three>); // error
function foo9(x: any) { }
function foo10(x: B<Two, Two>);
function foo10(x: typeof a); // ok
function foo10(x: any) { }
function foo11(x: B<Two, Two>);
function foo11(x: typeof b); // ok
function foo11(x: any) { }
function foo12(x: I<Five<string>, Five<string>>);
function foo12(x: C<Three, Three>); // ok
function foo12(x: any) { }
function foo12b(x: I2);
function foo12b(x: C<Three, Three>); // ok
function foo12b(x: any) { }
function foo13(x: I<Five<string>, Five<string>>);
function foo13(x: typeof a); // ok
function foo13(x: any) { }
function foo14(x: I<Five<string>, Five<string>>);
function foo14(x: typeof b); // ok
function foo14(x: any) { }
//// [objectTypesIdentityWithGenericConstructSignaturesDifferingByConstraints3.js]
// Two call or construct signatures are considered identical when they have the same number of type parameters and, considering those
// parameters pairwise identical, have identical type parameter constraints, identical number of parameters with identical kind(required,
// optional or rest) and types, and identical return types.
var One = (function () {
function One() {
}
return One;
})();
var Two = (function () {
function Two() {
}
return Two;
})();
var B = (function () {
function B(x, y) {
return null;
}
return B;
})();
var C = (function () {
function C(x, y) {
return null;
}
return C;
})();
var D = (function () {
function D(x, y) {
return null;
}
return D;
})();
var a;
var b = { new: function (x, y) { return ''; } }; // not a construct signature, function called new
function foo1b(x) { }
function foo1c(x) { }
function foo2(x) { }
function foo3(x) { }
function foo4(x) { }
function foo5c(x) { }
function foo6c(x) { }
function foo8(x) { }
function foo9(x) { }
function foo10(x) { }
function foo11(x) { }
function foo12(x) { }
function foo12b(x) { }
function foo13(x) { }
function foo14(x) { }