js/src/tests/ecma_5/Object/15.2.3.3-01.js@6474c204b198
js/src/tests/ecma_5/Object/15.2.3.3-01.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 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 //-----------------------------------------------------------------------------
7 var BUGNUMBER = 505587;
8 var summary = 'ES5 Object.getOwnPropertyDescriptor(O)';
9 var actual = '';
10 var expect = '';
12 printBugNumber(BUGNUMBER);
13 printStatus (summary);
15 /**************
16 * BEGIN TEST *
17 **************/
19 function assertEq(a, e, msg)
20 {
21 function SameValue(v1, v2)
22 {
23 if (v1 === 0 && v2 === 0)
24 return 1 / v1 === 1 / v2;
25 if (v1 !== v1 && v2 !== v2)
26 return true;
27 return v1 === v2;
28 }
30 if (!SameValue(a, e))
31 {
32 var stack = new Error().stack || "";
33 throw "Assertion failed: got " + a + ", expected " + e +
34 (msg ? ": " + msg : "") +
35 (stack ? "\nStack:\n" + stack : "");
36 }
37 }
39 function expectDescriptor(actual, expected)
40 {
41 if (actual === undefined && expected === undefined)
42 return;
44 assertEq(typeof actual, "object");
45 assertEq(typeof expected, "object");
47 var fields =
48 {
49 value: true,
50 get: true,
51 set: true,
52 enumerable: true,
53 writable: true,
54 configurable: true
55 };
56 for (var p in fields)
57 assertEq(actual.hasOwnProperty(p), expected.hasOwnProperty(p), p);
58 for (var p in actual)
59 assertEq(p in fields, true, p);
60 for (var p in expected)
61 assertEq(p in fields, true, p);
63 assertEq(actual.hasOwnProperty("value"), actual.hasOwnProperty("writable"));
64 assertEq(actual.hasOwnProperty("get"), actual.hasOwnProperty("set"));
65 if (actual.hasOwnProperty("value"))
66 {
67 assertEq(actual.value, expected.value);
68 assertEq(actual.writable, expected.writable);
69 }
70 else
71 {
72 assertEq(actual.get, expected.get);
73 assertEq(actual.set, expected.set);
74 }
76 assertEq(actual.hasOwnProperty("enumerable"), true);
77 assertEq(actual.hasOwnProperty("configurable"), true);
78 assertEq(actual.enumerable, expected.enumerable);
79 assertEq(actual.configurable, expected.configurable);
80 }
82 function adjustDescriptorField(o, actual, expect, field)
83 {
84 assertEq(field === "get" || field === "set", true);
85 var lookup = "__lookup" + (field === "get" ? "G" : "S") + "etter";
86 if (typeof o[lookup] === "function")
87 expect[field] = o[lookup](field);
88 else
89 actual[field] = expect[field] = undefined; /* censor if we can't lookup */
90 }
92 /******************************************************************************/
94 var o, pd, expected;
96 o = { get x() { return 12; } };
98 pd = Object.getOwnPropertyDescriptor(o, "x");
99 expected =
100 {
101 set: undefined,
102 enumerable: true,
103 configurable: true
104 };
105 adjustDescriptorField(o, pd, expected, "get");
107 expectDescriptor(pd, expected);
109 /******************************************************************************/
111 var o2;
113 o = Object.create(Object.prototype, { x: {get: function () { return 12; } } });
115 pd = Object.getOwnPropertyDescriptor(o, "x");
116 expected =
117 {
118 set: undefined,
119 enumerable: false,
120 configurable: false
121 };
122 adjustDescriptorField(o, pd, expected, "get");
124 expectDescriptor(pd, expected);
126 o2 = Object.create(o);
127 assertEq(Object.getOwnPropertyDescriptor(o2, "x"), undefined);
129 /******************************************************************************/
131 o = {};
132 o.b = 12;
134 pd = Object.getOwnPropertyDescriptor(o, "b");
135 expected =
136 {
137 value: 12,
138 writable: true,
139 enumerable: true,
140 configurable: true
141 };
142 expectDescriptor(pd, expected);
144 /******************************************************************************/
146 o = { get y() { return 17; }, set y(z) { } };
148 pd = Object.getOwnPropertyDescriptor(o, "y");
149 expected =
150 {
151 enumerable: true,
152 configurable: true
153 };
154 adjustDescriptorField(o, pd, expected, "get");
155 adjustDescriptorField(o, pd, expected, "set");
157 expectDescriptor(pd, expected);
159 /******************************************************************************/
161 o = {};
163 pd = Object.getOwnPropertyDescriptor(o, "absent");
165 expectDescriptor(pd, undefined);
167 /******************************************************************************/
169 pd = Object.getOwnPropertyDescriptor([], "length");
170 expected =
171 {
172 value: 0,
173 writable: true,
174 enumerable: false,
175 configurable: false
176 };
178 expectDescriptor(pd, expected);
180 pd = Object.getOwnPropertyDescriptor([1], "length");
181 expected =
182 {
183 value: 1,
184 writable: true,
185 enumerable: false,
186 configurable: false
187 };
189 expectDescriptor(pd, expected);
191 pd = Object.getOwnPropertyDescriptor([1,], "length");
192 expected =
193 {
194 value: 1,
195 writable: true,
196 enumerable: false,
197 configurable: false
198 };
200 expectDescriptor(pd, expected);
202 pd = Object.getOwnPropertyDescriptor([1,,], "length");
203 expected =
204 {
205 value: 2,
206 writable: true,
207 enumerable: false,
208 configurable: false
209 };
211 expectDescriptor(pd, expected);
213 /******************************************************************************/
215 pd = Object.getOwnPropertyDescriptor(new String("foobar"), "length");
216 expected =
217 {
218 value: 6,
219 writable: false,
220 enumerable: false,
221 configurable: false
222 };
224 expectDescriptor(pd, expected);
226 /******************************************************************************/
228 function foo() { }
229 o = foo;
231 pd = Object.getOwnPropertyDescriptor(o, "length");
232 expected =
233 {
234 value: 0,
235 writable: false,
236 enumerable: false,
237 configurable: false
238 };
240 expectDescriptor(pd, expected);
242 pd = Object.getOwnPropertyDescriptor(o, "prototype");
243 expected =
244 {
245 value: foo.prototype,
246 writable: true,
247 enumerable: false,
248 configurable: false
249 };
251 expectDescriptor(pd, expected);
253 /******************************************************************************/
255 pd = Object.getOwnPropertyDescriptor(Function, "length");
256 expected =
257 {
258 value: 1,
259 writable: false,
260 enumerable: false,
261 configurable: false
262 };
264 expectDescriptor(pd, expected);
266 /******************************************************************************/
268 o = /foo/im;
270 pd = Object.getOwnPropertyDescriptor(o, "source");
271 expected =
272 {
273 value: "foo",
274 writable: false,
275 enumerable: false,
276 configurable: false
277 };
279 expectDescriptor(pd, expected);
281 pd = Object.getOwnPropertyDescriptor(o, "global");
282 expected =
283 {
284 value: false,
285 writable: false,
286 enumerable: false,
287 configurable: false
288 };
290 expectDescriptor(pd, expected);
292 pd = Object.getOwnPropertyDescriptor(o, "ignoreCase");
293 expected =
294 {
295 value: true,
296 writable: false,
297 enumerable: false,
298 configurable: false
299 };
301 expectDescriptor(pd, expected);
303 pd = Object.getOwnPropertyDescriptor(o, "multiline");
304 expected =
305 {
306 value: true,
307 writable: false,
308 enumerable: false,
309 configurable: false
310 };
312 expectDescriptor(pd, expected);
314 pd = Object.getOwnPropertyDescriptor(o, "lastIndex");
315 expected =
316 {
317 value: 0,
318 writable: true,
319 enumerable: false,
320 configurable: false
321 };
323 expectDescriptor(pd, expected);
325 /******************************************************************************/
327 reportCompare(expect, actual, "Object.getOwnPropertyDescriptor");
329 printStatus("All tests passed");
