number-isfinite.js (798B)
1 assertEq(Number.isFinite(Infinity), false); 2 assertEq(Number.isFinite(-Infinity), false); 3 assertEq(Number.isFinite(NaN), false); 4 assertEq(Number.isFinite(4), true); 5 assertEq(Number.isFinite(4.5), true); 6 assertEq(Number.isFinite("hi"), false); 7 assertEq(Number.isFinite("1.3"), false); 8 assertEq(Number.isFinite("51"), false); 9 assertEq(Number.isFinite(0), true); 10 assertEq(Number.isFinite(-0), true); 11 assertEq(Number.isFinite({valueOf: function () { return 3; }}), false); 12 assertEq(Number.isFinite({valueOf: function () { return 0/0; }}), false); 13 assertEq(Number.isFinite({ valueOf: function() { throw 17; } }), false); 14 assertEq(Number.isFinite({ toString: function() { throw 17; } }), false); 15 assertEq(Number.isFinite({ valueOf: function() { throw 17; }, toString: function() { throw 42; } }), false);