Oops, negative numbers were negative zero!

inspect-js · May 13, 2014 · 746cb97 · 746cb97
1 parent 99ef4ed
commit 746cb97
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/index.js b/index.js
@@ -1,6 +1,6 @@
 "use strict";
 
 module.exports = function isNegativeZero(value) {
-	return Infinity / Number(value) < 0;
+	return Number(value) === 0 && Infinity / Number(value) < 0;
 };
 
diff --git a/test.js b/test.js
@@ -16,6 +16,7 @@ test('not negative zero', function (t) {
 	t.notOk(isNegativeZero([]), 'array is not negative zero');
 	t.notOk(isNegativeZero({}), 'object is not negative zero');
 	t.notOk(isNegativeZero(function () {}), 'function is not negative zero');
+	t.notOk(isNegativeZero(-1), '-1 is not negative zero');
 
 	t.end();
 });