js/src/jit-test/tests/debug/Object-seal-01.js@6474c204b198
js/src/jit-test/tests/debug/Object-seal-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 // Basic tests for obj.{seal,freeze,preventExtensions,isSealed,isFrozen,isExtensible}.
3 var g = newGlobal();
4 var dbg = new Debugger;
5 var gw = dbg.addDebuggee(g);
7 g.eval("function compareObjects() {\n" +
8 " assertEq(Object.isExtensible(x), Object.isExtensible(y));\n" +
9 " var xnames = Object.getOwnPropertyNames(x).sort();\n" +
10 " var ynames = Object.getOwnPropertyNames(y).sort();\n" +
11 " assertEq(xnames.length, ynames.length);\n" +
12 " for (var i = 0; i < xnames.length; i++) {\n" +
13 " assertEq(xnames[i], ynames[i]);\n" +
14 " var name = xnames[i];\n" +
15 " var xd = Object.getOwnPropertyDescriptor(x, name);\n" +
16 " var yd = Object.getOwnPropertyDescriptor(y, name);\n" +
17 " assertEq(xd.configurable, yd.configurable, code + '.' + name + ' .configurable');\n" +
18 " assertEq(xd.enumerable, yd.enumerable, code + '.' + name + ' .enumerable');\n" +
19 " assertEq(xd.writable, yd.writable, code + '.' + name + ' .writable');\n" +
20 " }\n" +
21 "}\n");
23 function test(code) {
24 g.code = code;
25 g.eval("x = (" + code + ");");
26 g.eval("y = (" + code + ");");
27 var xw = gw.getOwnPropertyDescriptor("x").value;
29 function check() {
30 // The Debugger.Object seal/freeze/preventExtensions methods
31 // had the same effect as the corresponding ES5 Object methods.
32 g.compareObjects();
34 // The Debugger.Object introspection methods agree with the ES5 Object methods.
35 assertEq(xw.isExtensible(), g.Object.isExtensible(g.x), code + ' isExtensible');
36 assertEq(xw.isSealed(), g.Object.isSealed(g.x), code + ' isSealed');
37 assertEq(xw.isFrozen(), g.Object.isFrozen(g.x), code + ' isFrozen');
38 }
40 check();
42 xw.preventExtensions();
43 assertEq(g.Object.isExtensible(g.x), false, code + ' preventExtensions');
44 g.Object.preventExtensions(g.y);
45 check();
47 xw.seal();
48 assertEq(g.Object.isSealed(g.x), true, code + ' seal');
49 g.Object.seal(g.y);
50 check();
52 xw.freeze();
53 assertEq(g.Object.isFrozen(g.x), true, code + ' freeze');
54 g.Object.freeze(g.y);
55 check();
56 }
58 test("{}");
59 test("{a: [1], get b() { return -1; }}");
60 test("Object.create(null, {x: {value: 3}, y: {get: Math.min}})");
61 test("[]");
62 test("[,,,,,]");
63 test("[0, 1, 2]");
