fixed Casper#each didn't pass the correct index argument, added tests

@@ -231,13 +231,25 @@
             return this.exit(Number(status) > 0 ? Number(status) : 1);
         },
 
+        /**
+         * Iterates over the values of a provided array and execute a callback
+         * for each item.
+         *
+         * @param  Array     array
+         * @param  Function  fn     Callback: function(self, item, index)
+         * @return Casper
+         */
         each: function(array, fn) {
-            var i = 0;
-            (function(self, i) {
-                array.forEach(function(item) {
+            if (array.constructor !== Array) {
+                self.log("each() only works with arrays", "error");
+                return this;
+            }
+
+            (function(self) {
+                array.forEach(function(item, i) {
                     fn(self, item, i);
                 });
-            })(this, i);
+            })(this);
             return this;
         },
 
@@ -1033,9 +1045,7 @@
          * @param  String  message    Test description
          */
         this.assertTitle = function(expected, message) {
-            return this.assertEvalEquals(function() {
-                return document.title;
-            }, expected, message);
+            return this.assertEquals(casper.getTitle(), expected, message);
         };
 
         /**

 phantom.injectJs('casper.js');
 
 var casper = new phantom.Casper({
-    faultTolerant: false
+    faultTolerant: false,
+    verbose: true
 });
 
 var save = null;
@@ -99,6 +100,11 @@ casper.then(function(self) {
     self.test.assertUrlMatch(/topic=bar/, 'fill() select field was submitted');
 });
 
+// Casper#each()
+casper.each([1, 2, 3], function(self, item, i) {
+    self.test.assertEquals(i, item - 1, 'each() passes a contextualized index');
+});
+
 // Casper.XUnitExporter
 casper.test.comment('phantom.Casper.XUnitExporter');
 xunit = new phantom.Casper.XUnitExporter();