js/src/jit-test/tests/basic/number-isnan.js@6474c204b198
js/src/jit-test/tests/basic/number-isnan.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.
1 assertEq(Number.isNaN(NaN), true);
2 assertEq(Number.isNaN(0/0), true);
3 assertEq(Number.isNaN(Number("NaN")), true);
4 assertEq(Number.isNaN(4), false);
5 assertEq(Number.isNaN(4.5), false);
6 assertEq(Number.isNaN("hi"), false);
7 assertEq(Number.isNaN("1.3"), false);
8 assertEq(Number.isNaN("51"), false);
9 assertEq(Number.isNaN(0), false);
10 assertEq(Number.isNaN(-0), false);
11 assertEq(Number.isNaN({valueOf: function () { return 3; }}), false);
12 assertEq(Number.isNaN({valueOf: function () { return 0/0; }}), false);
13 assertEq(Number.isNaN({ valueOf: function() { throw 17; } }), false);
14 assertEq(Number.isNaN({ toString: function() { throw 17; } }), false);
15 assertEq(Number.isNaN({ valueOf: function() { throw 17; }, toString: function() { throw 42; } }), false);
