fixup! add test for detached controls

Author: Narretz

test/ng/directive/formSpec.js

@@ -557,6 +557,73 @@ describe('form', function() {
       expect(child.$submitted).toBeTruthy();
     });
 
+
+    it('should not propagate $submitted state on removed child forms when parent is submitted', function() {
+      doc = jqLite(
+          '<ng-form name="parent">' +
+            '<ng-form name="child">' +
+              '<ng-form name="grandchild">' +
+                '<input ng:model="modelA" name="inputA">' +
+              '</ng-form>' +
+            '</ng-form>' +
+          '</ng-form>');
+      $compile(doc)(scope);
+
+      var parent = scope.parent,
+          child = scope.child,
+          grandchild = scope.grandchild,
+          ggchild = scope.greatgrandchild;
+
+      parent.$removeControl(child);
+
+      parent.$setSubmitted();
+      expect(parent.$submitted).toBeTruthy();
+      expect(child.$submitted).not.toBeTruthy();
+      expect(grandchild.$submitted).not.toBeTruthy();
+
+      parent.$addControl(child);
+
+      expect(parent.$submitted).toBeTruthy();
+      expect(child.$submitted).not.toBeTruthy();
+      expect(grandchild.$submitted).not.toBeTruthy();
+
+      parent.$setSubmitted();
+      expect(parent.$submitted).toBeTruthy();
+      expect(child.$submitted).toBeTruthy();
+      expect(grandchild.$submitted).toBeTruthy();
+
+      parent.$removeControl(child);
+
+      expect(parent.$submitted).toBeTruthy();
+      expect(child.$submitted).toBeTruthy();
+      expect(grandchild.$submitted).toBeTruthy();
+
+      parent.$setPristine(); // sets $submitted to false
+      expect(parent.$submitted).not.toBeTruthy();
+      expect(child.$submitted).toBeTruthy();
+      expect(grandchild.$submitted).toBeTruthy();
+
+      grandchild.$setPristine();
+      expect(grandchild.$submitted).not.toBeTruthy();
+
+      child.$setSubmitted();
+      expect(parent.$submitted).not.toBeTruthy();
+      expect(child.$submitted).toBeTruthy();
+      expect(grandchild.$submitted).toBeTruthy();
+
+      child.$setPristine();
+      expect(parent.$submitted).not.toBeTruthy();
+      expect(child.$submitted).not.toBeTruthy();
+      expect(grandchild.$submitted).not.toBeTruthy();
+
+      // Test upwards submission setting
+      grandchild.$setSubmitted();
+      expect(parent.$submitted).not.toBeTruthy();
+      expect(child.$submitted).toBeTruthy();
+      expect(grandchild.$submitted).toBeTruthy();
+    });
+
+
     it('should set $submitted to true on child and parent forms when form is submitted', function() {
       doc = jqLite(
           '<ng-form name="parent">' +