"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var appendFunction_1 = require("./appendFunction");
describe('appendFunction', function () {
    it('can append 2 functions', function () {
        var counter = 0;
        var function1 = function () { return counter++; };
        var function2 = function () { return counter++; };
        var function3 = (0, appendFunction_1.appendFunction)({}, function1, function2);
        function3();
        expect(counter).toEqual(2);
    });
    it('can deal with falsey values', function () {
        var counter = 0;
        var function1 = function () { return counter++; };
        var function2 = function () { return counter++; };
        var function3 = (0, appendFunction_1.appendFunction)({}, function1, undefined, null, function2);
        function3();
        expect(counter).toEqual(2);
    });
    it('preserves the parent', function () {
        function add() {
            this.counter++;
        }
        var Foo = /** @class */ (function () {
            function Foo() {
                this.counter = 0;
                this.add = (0, appendFunction_1.appendFunction)(this, add, this.add);
            }
            Foo.prototype.add = function () {
                this.counter++;
            };
            return Foo;
        }());
        var foo = new Foo();
        foo.add();
        expect(foo.counter).toEqual(2);
    });
});
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