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//// [propertyAccessOnTypeParameterWithConstraints3.ts]
// generic types should behave as if they have properties of their constraint type
class A {
foo(): string { return ''; }
}
class B extends A {
bar(): string {
return '';
}
}
class C<U extends A, T extends U> {
f() {
var x: T;
// BUG 823818
var a = x['foo'](); // should be string
return a + x.foo();
}
g(x: U) {
// BUG 823818
var a = x['foo'](); // should be string
return a + x.foo();
}
}
var r1a = (new C<A, B>()).f();
var r1b = (new C<A, B>()).g(new B());
interface I<U extends A, T extends U> {
foo: T;
}
var i: I<A, B>;
var r2 = i.foo.foo();
var r2b = i.foo['foo']();
var a: {
<U extends A, T extends U>(): T;
<U extends T, T extends A>(x: U): U;
}
var r3 = a().foo(); // error, no inferences for U so it doesn't satisfy constraint
var r3b = a()['foo']();
// parameter supplied for type argument inference for U
var r3c = a(new B()).foo(); // valid call to an invalid function, U is inferred as B, which has a foo
var r3d = a(new B())['foo'](); // valid call to an invalid function, U is inferred as B, which has a foo
var b = {
foo: <U extends A, T extends U>(x: T) => {
// BUG 823818
var a = x['foo'](); // should be string
return a + x.foo();
}
}
var r4 = b.foo(new B()); // valid call to an invalid function
//// [propertyAccessOnTypeParameterWithConstraints3.js]
// generic types should behave as if they have properties of their constraint type
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var A = /** @class */ (function () {
function A() {
}
A.prototype.foo = function () { return ''; };
return A;
}());
var B = /** @class */ (function (_super) {
__extends(B, _super);
function B() {
return _super !== null && _super.apply(this, arguments) || this;
}
B.prototype.bar = function () {
return '';
};
return B;
}(A));
var C = /** @class */ (function () {
function C() {
}
C.prototype.f = function () {
var x;
// BUG 823818
var a = x['foo'](); // should be string
return a + x.foo();
};
C.prototype.g = function (x) {
// BUG 823818
var a = x['foo'](); // should be string
return a + x.foo();
};
return C;
}());
var r1a = (new C()).f();
var r1b = (new C()).g(new B());
var i;
var r2 = i.foo.foo();
var r2b = i.foo['foo']();
var a;
var r3 = a().foo(); // error, no inferences for U so it doesn't satisfy constraint
var r3b = a()['foo']();
// parameter supplied for type argument inference for U
var r3c = a(new B()).foo(); // valid call to an invalid function, U is inferred as B, which has a foo
var r3d = a(new B())['foo'](); // valid call to an invalid function, U is inferred as B, which has a foo
var b = {
foo: function (x) {
// BUG 823818
var a = x['foo'](); // should be string
return a + x.foo();
}
};
var r4 = b.foo(new B()); // valid call to an invalid function
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