| //@ runNoFTL |
| |
| function assert(testedValue, msg) { |
| if (!testedValue) |
| throw Error(msg); |
| } |
| |
| // RegExp.prototype with overridden flags: Testing ES6 21.2.5.11: 5. Let flags be ? ToString(? Get(rx, "flags")). |
| (function () { |
| let flag = "unicode"; |
| let flagValue = false; |
| |
| let accesses = []; |
| let origDescriptor = Object.getOwnPropertyDescriptor(RegExp.prototype, flag); |
| |
| Object.defineProperty(RegExp.prototype, flag, { |
| get: function() { |
| accesses.push(flag); |
| return flagValue; |
| } |
| }); |
| let obj = /it/; |
| |
| assert(accesses == "", "unexpected call to overridden props"); |
| let result = "splitme".split(obj); |
| assert(accesses == flag, "Property accesses do not match expectation"); |
| assert(result == "spl,me", "Unexpected result"); |
| })(); |