diff options
Diffstat (limited to 'js/xpconnect/tests/unit/test_xrayed_iterator.js')
-rw-r--r-- | js/xpconnect/tests/unit/test_xrayed_iterator.js | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_xrayed_iterator.js b/js/xpconnect/tests/unit/test_xrayed_iterator.js new file mode 100644 index 0000000000..26d40420a3 --- /dev/null +++ b/js/xpconnect/tests/unit/test_xrayed_iterator.js @@ -0,0 +1,40 @@ +Services.prefs.setBoolPref("security.allow_eval_with_system_principal", true); +registerCleanupFunction(() => { + Services.prefs.clearUserPref("security.allow_eval_with_system_principal"); +}); + +function run_test() { + + var toEval = [ + "var customIterator = {", + " _array: [6, 7, 8, 9]", + "};", + "customIterator[Symbol.iterator] = function* () {", + " for (var i = 0; i < this._array.length; ++i)", + " yield this._array[i];", + "};" + ].join('\n'); + + function checkIterator(iterator) { + var control = [6, 7, 8, 9]; + var i = 0; + for (var item of iterator) { + Assert.equal(item, control[i]); + ++i; + } + } + + // First, try in our own scope. + eval(toEval); + checkIterator(customIterator); + + // Next, try a vanilla CCW. + var sbChrome = Cu.Sandbox(this); + Cu.evalInSandbox(toEval, sbChrome, '1.7'); + checkIterator(sbChrome.customIterator); + + // Finally, try an Xray waiver. + var sbContent = Cu.Sandbox('http://www.example.com'); + Cu.evalInSandbox(toEval, sbContent, '1.7'); + checkIterator(Cu.waiveXrays(sbContent.customIterator)); +} |