var BUGNUMBER = 1108467; var summary = "Implement RegExp.prototype.flags"; print(BUGNUMBER + ": " + summary); assertEq(RegExp.prototype.flags, ""); assertEq(/foo/iymg.flags, "gimy"); assertEq(RegExp("").flags, ""); assertEq(RegExp("", "mygi").flags, "gimy"); assertEq(RegExp("", "mygui").flags, "gimuy"); assertEq(genericFlags({}), ""); assertEq(genericFlags({ignoreCase: true}), "i"); assertEq(genericFlags({sticky:1, unicode:1, global: 0}), "uy"); assertEq(genericFlags({__proto__: {multiline: true}}), "m"); assertEq(genericFlags(new Proxy({}, {get(){return true}})), "dgimsuy"); assertThrowsInstanceOf(() => genericFlags(), TypeError); assertThrowsInstanceOf(() => genericFlags(1), TypeError); assertThrowsInstanceOf(() => genericFlags(""), TypeError); function genericFlags(obj) { return Object.getOwnPropertyDescriptor(RegExp.prototype,"flags").get.call(obj); } if (typeof reportCompare === "function") reportCompare(true, true);