| <!doctype html> |
| <title>Object.prototype.getOwnPropertyNames</title> |
| <link rel=help href=http://es5.github.io/#x15.2.3.4> |
| <script src=/resources/testharness.js></script> |
| <script src=/resources/testharnessreport.js></script> |
| |
| <div id=log></div> |
| <script> |
| test(function () { |
| var obj = {0: 'a', 1: 'b', 2: 'c'}; |
| assert_array_equals( |
| Object.getOwnPropertyNames(obj).sort(), |
| ['0', '1', '2'] |
| ); |
| }, "object"); |
| |
| test(function () { |
| var arr = ['a', 'b', 'c']; |
| assert_array_equals( |
| Object.getOwnPropertyNames(arr).sort(), |
| ['0', '1', '2', 'length'] |
| ); |
| }, "array-like"); |
| |
| test(function () { |
| var obj = Object.create({}, { |
| getFoo: { |
| value: function() { return this.foo; }, |
| enumerable: false |
| } |
| }); |
| obj.foo = 1; |
| assert_array_equals( |
| Object.getOwnPropertyNames(obj).sort(), |
| ['foo', 'getFoo'] |
| ); |
| }, "non-enumerable property"); |
| |
| test(function() { |
| function ParentClass() {} |
| ParentClass.prototype.inheritedMethod = function() {}; |
| |
| function ChildClass() { |
| this.prop = 5; |
| this.method = function() {}; |
| } |
| ChildClass.prototype = new ParentClass; |
| ChildClass.prototype.prototypeMethod = function() {}; |
| |
| var obj = new ChildClass; |
| assert_array_equals( |
| Object.getOwnPropertyNames(obj).sort(), |
| ['method', 'prop'] |
| ); |
| }, 'items on the prototype chain are not listed'); |
| </script> |
