dom/bindings/test/test_named_getter_enumerability.html@6474c204b198
dom/bindings/test/test_named_getter_enumerability.html
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 <!DOCTYPE html>
2 <meta charset=utf-8>
3 <title>Test for named getter enumerability</title>
4 <script src="/resources/testharness.js"></script>
5 <script src="/resources/testharnessreport.js"></script>
6 <div id="log"></div>
7 <script>
8 test(function() {
9 var list = document.getElementsByTagName("div");
10 var desc = Object.getOwnPropertyDescriptor(list, "0");
11 assert_equals(typeof desc, "object", "Should have a '0' property");
12 assert_true(desc.enumerable, "'0' property should be enumerable");
13 desc = Object.getOwnPropertyDescriptor(list, "log");
14 assert_equals(typeof desc, "object", "Should have a 'log' property");
15 assert_false(desc.enumerable, "'log' property should not be enumerable");
16 }, "Correct getOwnPropertyDescriptor behavior");
17 test(function() {
18 var list = document.getElementsByTagName("div");
19 props = [];
20 for (var prop in list) {
21 props.push(prop);
22 }
23 assert_not_equals(props.indexOf("0"), -1, "Should enumerate '0'");
24 assert_equals(props.indexOf("log"), -1, "Should not enumerate 'log'");
25 }, "Correct enumeration behavior");
26 test(function() {
27 var list = document.getElementsByTagName("div");
28 props = Object.keys(list)
29 assert_not_equals(props.indexOf("0"), -1, "Keys should contain '0'");
30 assert_equals(props.indexOf("log"), -1, "Keys should not contain 'log'");
31 }, "Correct keys() behavior");
32 test(function() {
33 var list = document.getElementsByTagName("div");
34 props = Object.getOwnPropertyNames(list)
35 assert_not_equals(props.indexOf("0"), -1,
36 "own prop names should contain '0'");
37 assert_not_equals(props.indexOf("log"), -1,
38 "own prop names should contain 'log'");
39 }, "Correct getOwnPropertyNames() behavior");
40 </script>
