var Point = /*#__PURE__*/ function () { "use strict"; function Point() { babelHelpers.classCallCheck(this, Point); } babelHelpers.createClass(Point, [{ key: "getX", value: function getX() { expect(this.x).toBe(3); // C } }]); return Point; }(); var ColorPoint = /*#__PURE__*/ function (_Point) { "use strict"; babelHelpers.inherits(ColorPoint, _Point); function ColorPoint() { var _this; babelHelpers.classCallCheck(this, ColorPoint); _this = babelHelpers.possibleConstructorReturn(this, babelHelpers.getPrototypeOf(ColorPoint).call(this)); _this.x = 2; babelHelpers.set(babelHelpers.getPrototypeOf(ColorPoint.prototype), "x", 3, babelHelpers.assertThisInitialized(_this), true); expect(_this.x).toBe(3); // A expect(babelHelpers.get(babelHelpers.getPrototypeOf(ColorPoint.prototype), "x", babelHelpers.assertThisInitialized(_this))).toBeUndefined(); // B return _this; } babelHelpers.createClass(ColorPoint, [{ key: "m", value: function m() { this.getX(); } }]); return ColorPoint; }(Point); var cp = new ColorPoint(); cp.m();