| <!DOCTYPE html> |
| <script src="../resources/js-test-pre.js"></script> |
| <script> |
| description("Tests that Object.getOwnPropertyDescriptor() works correctly for [Unforgeable] IDL attributes."); |
| |
| function checkUnforgeablePropertyDescriptor(descriptor, readOnly) |
| { |
| shouldBeType("descriptor.get", "Function"); |
| if (readOnly) |
| shouldBeUndefined("descriptor.set"); |
| else |
| shouldBeType("descriptor.set", "Function"); |
| shouldBeTrue("descriptor.enumerable"); |
| shouldBeFalse("descriptor.configurable"); |
| invalidObject = { }; |
| shouldThrow("descriptor.get.call(invalidObject)"); |
| } |
| |
| debug("* Document.location"); |
| descriptor = Object.getOwnPropertyDescriptor(document, "location"); |
| checkUnforgeablePropertyDescriptor(descriptor); |
| shouldBe("descriptor.get.call(document)", "document.location"); |
| |
| var locationProperties = Object.getOwnPropertyNames(document.location); |
| for (var i = 0; i < locationProperties.length; i++) { |
| var propertyName = locationProperties[i]; |
| descriptor = Object.getOwnPropertyDescriptor(document.location, propertyName); |
| if (descriptor.value) |
| continue; |
| |
| debug(""); |
| debug("* Location." + propertyName); |
| var isReadOnly = propertyName == "origin" || propertyName == "ancestorOrigins"; |
| checkUnforgeablePropertyDescriptor(descriptor, isReadOnly); |
| if (propertyName != "ancestorOrigins") |
| shouldBeTrue("descriptor.get.call(document.location) === document.location." + propertyName); |
| } |
| |
| debug(""); |
| debug("* Window.location"); |
| descriptor = Object.getOwnPropertyDescriptor(window, "location"); |
| checkUnforgeablePropertyDescriptor(descriptor); |
| shouldBeTrue("descriptor.get.call(window) === window.location"); |
| |
| debug(""); |
| debug("* Window.window"); |
| descriptor = Object.getOwnPropertyDescriptor(window, "window"); |
| checkUnforgeablePropertyDescriptor(descriptor, true); |
| shouldBeTrue("descriptor.get.call(window) === window.window"); |
| |
| debug(""); |
| debug("* Window.top"); |
| descriptor = Object.getOwnPropertyDescriptor(window, "top"); |
| checkUnforgeablePropertyDescriptor(descriptor, true); |
| shouldBeTrue("descriptor.get.call(window) === window.top"); |
| |
| debug(""); |
| debug("* Window.document"); |
| descriptor = Object.getOwnPropertyDescriptor(window, "document"); |
| checkUnforgeablePropertyDescriptor(descriptor, true); |
| |
| </script> |
| <script src="../resources/js-test-post.js"></script> |
