js/src/jit-test/tests/for-of/array-iterator-proxy.js@6474c204b198
js/src/jit-test/tests/for-of/array-iterator-proxy.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 // An array iterator for a proxy calls the traps in a predictable order.
3 load(libdir + "asserts.js");
4 load(libdir + "iteration.js");
6 var s = '';
8 var proxyObj = {
9 get: function (recipient, name) {
10 if (name == 'length') {
11 s += 'L';
12 return 2;
13 } else {
14 s += name;
15 return name;
16 }
17 }
18 };
20 var it = Array.prototype[std_iterator].call(Proxy.create(proxyObj));
22 assertIteratorNext(it, "0");
23 s += ' ';
24 assertIteratorNext(it, "1");
25 s += ' ';
26 assertIteratorDone(it, undefined);
27 assertEq(s, "L0 L1 L");
29 s = '';
30 var ki = Array.prototype.keys.call(Proxy.create(proxyObj));
32 assertIteratorNext(ki, 0);
33 s += ' ';
34 assertIteratorNext(ki, 1);
35 s += ' ';
36 assertIteratorDone(ki, undefined);
37 assertEq(s, "L L L");
39 s = '';
40 var ei = Array.prototype.entries.call(Proxy.create(proxyObj));
42 assertIteratorNext(ei, [0, "0"]);
43 s += ' ';
44 assertIteratorNext(ei, [1, "1"]);
45 s += ' ';
46 assertIteratorDone(ei, undefined);
47 assertEq(s, "L0 L1 L");
