feat(ngRepeat): add $even and $odd props to iterator

1 files changed, 62 insertions, 1 deletions

diff --git a/test/ng/directive/ngRepeatSpec.js b/test/ng/directive/ngRepeatSpec.js
index 0d1833c8..26562f4e 100644
--- a/test/ng/directive/ngRepeatSpec.js
+++ b/test/ng/directive/ngRepeatSpec.js
@@ -353,7 +353,6 @@ describe('ngRepeat', function() {
     expect(element.text()).toEqual('misko:0|shyam:1|frodo:2|');
   });
 
-
   it('should expose iterator offset as $index when iterating over objects', function() {
     element = $compile(
       '<ul>' +
@@ -395,6 +394,32 @@ describe('ngRepeat', function() {
   });
 
 
+  it('should expose iterator position as $even and $odd when iterating over arrays',
+      function() {
+    element = $compile(
+      '<ul>' +
+        '<li ng-repeat="item in items">{{item}}:{{$even}}-{{$odd}}|</li>' +
+      '</ul>')(scope);
+    scope.items = ['misko', 'shyam', 'doug'];
+    scope.$digest();
+    expect(element.text()).
+        toEqual('misko:true-false|shyam:false-true|doug:true-false|');
+
+    scope.items.push('frodo');
+    scope.$digest();
+    expect(element.text()).
+        toBe('misko:true-false|' +
+                'shyam:false-true|' +
+                'doug:true-false|' +
+                'frodo:false-true|');
+
+    scope.items.shift();
+    scope.items.pop();
+    scope.$digest();
+    expect(element.text()).toBe('shyam:true-false|doug:false-true|');
+  });
+
+
   it('should expose iterator position as $first, $middle and $last when iterating over objects',
       function() {
     element = $compile(
@@ -420,6 +445,27 @@ describe('ngRepeat', function() {
   });
 
 
+  it('should expose iterator position as $even and $odd when iterating over objects',
+      function() {
+    element = $compile(
+      '<ul>' +
+        '<li ng-repeat="(key, val) in items">{{key}}:{{val}}:{{$even}}-{{$odd}}|</li>' +
+      '</ul>')(scope);
+    scope.items = {'misko':'m', 'shyam':'s', 'doug':'d', 'frodo':'f'};
+    scope.$digest();
+    expect(element.text()).
+        toBe('doug:d:true-false|' +
+                'frodo:f:false-true|' +
+                'misko:m:true-false|' +
+                'shyam:s:false-true|');
+
+    delete scope.items.frodo;
+    delete scope.items.shyam;
+    scope.$digest();
+    expect(element.text()).toBe('doug:d:true-false|misko:m:false-true|');
+  });
+
+
   it('should calculate $first, $middle and $last when we filter out properties from an obj', function() {
     element = $compile(
         '<ul>' +
@@ -435,6 +481,21 @@ describe('ngRepeat', function() {
   });
 
 
+  it('should calculate $even and $odd when we filter out properties from an obj', function() {
+    element = $compile(
+        '<ul>' +
+            '<li ng-repeat="(key, val) in items">{{key}}:{{val}}:{{$even}}-{{$odd}}|</li>' +
+            '</ul>')(scope);
+    scope.items = {'misko':'m', 'shyam':'s', 'doug':'d', 'frodo':'f', '$toBeFilteredOut': 'xxxx'};
+    scope.$digest();
+    expect(element.text()).
+        toEqual('doug:d:true-false|' +
+        'frodo:f:false-true|' +
+        'misko:m:true-false|' +
+        'shyam:s:false-true|');
+  });
+
+
   it('should ignore $ and $$ properties', function() {
     element = $compile('<ul><li ng-repeat="i in items">{{i}}|</li></ul>')(scope);
     scope.items = ['a', 'b', 'c'];