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js/src/jit-test/tests/collections/key-equality-NaN.js@6474c204b198

js/src/jit-test/tests/collections/key-equality-NaN.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.

 // NaN is equal to itself for the purpose of key lookups.

 var m = new Map;

 m.set(NaN, "ok");

 assertEq(m.has(NaN), true);

 assertEq(m.get(NaN), "ok");

 assertEq(m.delete(NaN), true);

 assertEq(m.has(NaN), false);

 assertEq(m.get(NaN), undefined);

 var s = new Set;

 s.add(NaN);

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

 assertEq(s.delete(NaN), true);

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