js/src/jit-test/tests/proxy/testDirectProxyGet3.js@6474c204b198
js/src/jit-test/tests/proxy/testDirectProxyGet3.js
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 load(libdir + "asserts.js");
3 /*
4 * Throw a TypeError if the trap reports a different value for a non-writable,
5 * non-configurable property
6 */
7 var target = {};
8 Object.defineProperty(target, 'foo', {
9 value: 'bar',
10 writable: false,
11 configurable: false
12 });
13 assertThrowsInstanceOf(function () {
14 new Proxy(target, {
15 get: function (target, name, receiver) {
16 return 'baz';
17 }
18 })['foo'];
19 }, TypeError);
21 /*
22 * Don't throw a TypeError if the trap reports the same value for a non-writable,
23 * non-configurable property
24 */
25 assertEq(new Proxy(target, {
26 get: function (target, name, receiver) {
27 return 'bar';
28 }
29 })['foo'],
30 'bar');
33 /*
34 * Don't throw a TypeError if the trap reports a different value for a writable,
35 * non-configurable property
36 */
37 Object.defineProperty(target, 'prop', {
38 value: 'bar',
39 writable: true,
40 configurable: false
41 });
42 assertEq(new Proxy(target, {
43 get: function (target, name, receiver) {
44 return 'baz';
45 }
46 })['prop'],
47 'baz');
50 /*
51 * Don't throw a TypeError if the trap reports a different value for a non-writable,
52 * configurable property
53 */
54 Object.defineProperty(target, 'prop2', {
55 value: 'bar',
56 writable: false,
57 configurable: true
58 });
59 assertEq(new Proxy(target, {
60 get: function (target, name, receiver) {
61 return 'baz';
62 }
63 })['prop2'],
64 'baz');
