js/src/jit-test/tests/collections/Map-set-size.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 // map.set(k, v) increments the map size iff map didn't already have an entry for k.
michael@0 2
michael@0 3 var m = Map();
michael@0 4 m.set('a', 0);
michael@0 5 assertEq(m.size, 1);
michael@0 6 m.set('a', 0);
michael@0 7 assertEq(m.size, 1);
michael@0 8 m.set('a', undefined);
michael@0 9 assertEq(m.size, 1);
michael@0 10
michael@0 11 m.set('b', 2);
michael@0 12 assertEq(m.size, 2);
michael@0 13 m.set('a', 1);
michael@0 14 assertEq(m.size, 2);

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