js/src/jit-test/tests/collections/Set-constructor-2.js@6474c204b198 (annotated)
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.
| michael@0 | 1 | // The Set constructor can take an argument that is an array. |
| michael@0 | 2 | |
| michael@0 | 3 | var s = Set([]); |
| michael@0 | 4 | assertEq(s.size, 0); |
| michael@0 | 5 | assertEq(s.has(undefined), false); |
| michael@0 | 6 | |
| michael@0 | 7 | s = Set(["one", "two", "three"]); |
| michael@0 | 8 | assertEq(s.size, 3); |
| michael@0 | 9 | assertEq(s.has("one"), true); |
| michael@0 | 10 | assertEq(s.has("eleventeen"), false); |
| michael@0 | 11 | |
| michael@0 | 12 | var a = [{}, {}, {}]; |
| michael@0 | 13 | s = Set(a); |
| michael@0 | 14 | assertEq(s.size, 3); |
| michael@0 | 15 | for (let obj of a) |
| michael@0 | 16 | assertEq(s.has(obj), true); |
| michael@0 | 17 | assertEq(s.has({}), false); |
| michael@0 | 18 | assertEq(s.has("three"), false); |
