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js/src/jit-test/tests/collections/for-in.js@6474c204b198

js/src/jit-test/tests/collections/for-in.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.

 // for-in loops on Maps and Sets enumerate properties.

 var test = function test(obj) {

     assertEq(Object.keys(obj).length, 0);

     var i = 0, v;

     for (v in obj)

         i++;

     assertEq(i, 0);

     obj.ownProp = 1;

     assertEq(Object.keys(obj).join(), "ownProp");

     for (v in obj)

         i++;

     assertEq(i, 1);

     assertEq(v, "ownProp");

     delete obj.ownProp;

 };

 test(Map.prototype);

 test(new Map);

 test(Set.prototype);

 test(new Set);