Merge pull request #118 from scotttrinh/78-iteration-number

docs/test: Document and test iteration number

Author: scotttrinh

README.md

@@ -78,7 +78,7 @@ Iterate supports early exit by returning non `undefined` value inside `iteratorC
 Resulting value will be passed to the promise as the result of iteration.
 You can use this to make a search in your data:
 ```js
-$localForage.iterate(function(value, key) {
+$localForage.iterate(function(value, key, iterationNumber) {
  if(angular.isInt(value) && value > 10) {
  return key;
  }

tests/angular-localForage.js

@@ -150,6 +150,18 @@ describe('Module: LocalForageModule', function() {
  }, done);
  });
 
+ it('should have an iterationNumber with a 1-index', function(done) {
+ var count;
+
+ $localForage.iterate(function(value, key, iterationNumber) {
+ count = iterationNumber;
+ }).then(function() {
+ stopDigests(interval);
+ expect(count).toEqual(3);
+ done();
+ }, done);
+ })
+
  it('key/value filter should work', function(done) {
  //test key filter
  $localForage.iterate(function(value, key) {