Add assert.lengthOf on objects

Fixes #139.
vowsjs · Jun 17, 2012 · 03f60dd · 03f60dd
1 parent 38817c1
commit 03f60dd
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Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/lib/assert/macros.js b/lib/assert/macros.js
@@ -111,7 +111,8 @@ assert.isNotEmpty = function (actual, message) {
 };
 
 assert.lengthOf = function (actual, expected, message) {
-    if (actual.length !== expected) {
+    var len = isObject(actual) ? Object.keys(actual).length : actual.length;
+    if (len !== expected) {
         assert.fail(actual, expected, message || "expected {actual} to have {expected} element(s)", "length", assert.length);
     }
 };

diff --git a/test/assert-test.js b/test/assert-test.js
@@ -13,6 +13,7 @@ vows.describe('vows/assert').addBatch({
         "`lengthOf`": function () {
             assert.lengthOf("hello world", 11);
             assert.lengthOf([1, 2, 3], 3);
+            assert.lengthOf({goo: true, gies: false}, 2);
         },
         "`isDefined`": function () {
             assert.isDefined(null);