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js/src/jit-test/tests/collections/Set-constructor-2.js@6474c204b198

js/src/jit-test/tests/collections/Set-constructor-2.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.

 // The Set constructor can take an argument that is an array.

 var s = Set([]);

 assertEq(s.size, 0);

 assertEq(s.has(undefined), false);

 s = Set(["one", "two", "three"]);

 assertEq(s.size, 3);

 assertEq(s.has("one"), true);

 assertEq(s.has("eleventeen"), false);

 var a = [{}, {}, {}];

 s = Set(a);

 assertEq(s.size, 3);

 for (let obj of a)

     assertEq(s.has(obj), true);

 assertEq(s.has({}), false);

 assertEq(s.has("three"), false);