abstractPropertyNegative.js

//// [abstractPropertyNegative.ts]
interface A {
    prop: string;
    m(): string;
}
abstract class B implements A {
    abstract prop: string;
    public abstract readonly ro: string;
    abstract get readonlyProp(): string;
    abstract m(): string;
    abstract get mismatch(): string;
    abstract set mismatch(val: number); // error, not same type
}
class C extends B {
    readonly ro = "readonly please";
    abstract notAllowed: string;
    get concreteWithNoBody(): string;
}
let c = new C();
c.ro = "error: lhs of assignment can't be readonly";

abstract class WrongTypeProperty {
    abstract num: number;
}
class WrongTypePropertyImpl extends WrongTypeProperty {
    num = "nope, wrong";
}
abstract class WrongTypeAccessor {
    abstract get num(): number;
}
class WrongTypeAccessorImpl extends WrongTypeAccessor {
    get num() { return "nope, wrong"; }
}
class WrongTypeAccessorImpl2 extends WrongTypeAccessor {
    num = "nope, wrong";
}

abstract class AbstractAccessorMismatch {
    abstract get p1(): string;
    set p1(val: string) { };
    get p2(): string { return "should work"; }
    abstract set p2(val: string);
}


//// [abstractPropertyNegative.js]
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 B = /** @class */ (function () {
    function B() {
    }
    return B;
}());
var C = /** @class */ (function (_super) {
    __extends(C, _super);
    function C() {
        var _this = _super !== null && _super.apply(this, arguments) || this;
        _this.ro = "readonly please";
        return _this;
    }
    Object.defineProperty(C.prototype, "concreteWithNoBody", {
        get: function () { },
        enumerable: false,
        configurable: true
    });
    return C;
}(B));
var c = new C();
c.ro = "error: lhs of assignment can't be readonly";
var WrongTypeProperty = /** @class */ (function () {
    function WrongTypeProperty() {
    }
    return WrongTypeProperty;
}());
var WrongTypePropertyImpl = /** @class */ (function (_super) {
    __extends(WrongTypePropertyImpl, _super);
    function WrongTypePropertyImpl() {
        var _this = _super !== null && _super.apply(this, arguments) || this;
        _this.num = "nope, wrong";
        return _this;
    }
    return WrongTypePropertyImpl;
}(WrongTypeProperty));
var WrongTypeAccessor = /** @class */ (function () {
    function WrongTypeAccessor() {
    }
    return WrongTypeAccessor;
}());
var WrongTypeAccessorImpl = /** @class */ (function (_super) {
    __extends(WrongTypeAccessorImpl, _super);
    function WrongTypeAccessorImpl() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    Object.defineProperty(WrongTypeAccessorImpl.prototype, "num", {
        get: function () { return "nope, wrong"; },
        enumerable: false,
        configurable: true
    });
    return WrongTypeAccessorImpl;
}(WrongTypeAccessor));
var WrongTypeAccessorImpl2 = /** @class */ (function (_super) {
    __extends(WrongTypeAccessorImpl2, _super);
    function WrongTypeAccessorImpl2() {
        var _this = _super !== null && _super.apply(this, arguments) || this;
        _this.num = "nope, wrong";
        return _this;
    }
    return WrongTypeAccessorImpl2;
}(WrongTypeAccessor));
var AbstractAccessorMismatch = /** @class */ (function () {
    function AbstractAccessorMismatch() {
    }
    Object.defineProperty(AbstractAccessorMismatch.prototype, "p1", {
        set: function (val) { },
        enumerable: false,
        configurable: true
    });
    ;
    Object.defineProperty(AbstractAccessorMismatch.prototype, "p2", {
        get: function () { return "should work"; },
        enumerable: false,
        configurable: true
    });
    return AbstractAccessorMismatch;
}());