1 files changed, 88 insertions, 0 deletions
diff --git a/test/ng/directive/ngStyleSpec.js b/test/ng/directive/ngStyleSpec.js
new file mode 100644
index 00000000..c12f2f4d
--- /dev/null
+++ b/test/ng/directive/ngStyleSpec.js
@@ -0,0 +1,88 @@
+'use strict';
+
+describe('ng-style', function() {
+  var element;
+
+
+  afterEach(function() {
+    dealoc(element);
+  });
+
+
+  it('should set', inject(function($rootScope, $compile) {
+    element = $compile('<div ng-style="{height: \'40px\'}"></div>')($rootScope);
+    $rootScope.$digest();
+    expect(element.css('height')).toEqual('40px');
+  }));
+
+
+  it('should silently ignore undefined style', inject(function($rootScope, $compile) {
+    element = $compile('<div ng-style="myStyle"></div>')($rootScope);
+    $rootScope.$digest();
+    expect(element.hasClass('ng-exception')).toBeFalsy();
+  }));
+
+
+  describe('preserving styles set before and after compilation', function() {
+    var scope, preCompStyle, preCompVal, postCompStyle, postCompVal, element;
+
+    beforeEach(inject(function($rootScope, $compile) {
+      preCompStyle = 'width';
+      preCompVal = '300px';
+      postCompStyle = 'height';
+      postCompVal = '100px';
+      element = jqLite('<div ng-style="styleObj"></div>');
+      element.css(preCompStyle, preCompVal);
+      jqLite(document.body).append(element);
+      $compile(element)($rootScope);
+      scope = $rootScope;
+      scope.styleObj = {'margin-top': '44px'};
+      scope.$apply();
+      element.css(postCompStyle, postCompVal);
+    }));
+
+    afterEach(function() {
+      element.remove();
+    });
+
+
+    it('should not mess up stuff after compilation', function() {
+      element.css('margin', '44px');
+      expect(element.css(preCompStyle)).toBe(preCompVal);
+      expect(element.css('margin-top')).toBe('44px');
+      expect(element.css(postCompStyle)).toBe(postCompVal);
+    });
+
+
+    it('should not mess up stuff after $apply with no model changes', function() {
+      element.css('padding-top', '33px');
+      scope.$apply();
+      expect(element.css(preCompStyle)).toBe(preCompVal);
+      expect(element.css('margin-top')).toBe('44px');
+      expect(element.css(postCompStyle)).toBe(postCompVal);
+      expect(element.css('padding-top')).toBe('33px');
+    });
+
+
+    it('should not mess up stuff after $apply with non-colliding model changes', function() {
+      scope.styleObj = {'padding-top': '99px'};
+      scope.$apply();
+      expect(element.css(preCompStyle)).toBe(preCompVal);
+      expect(element.css('margin-top')).not.toBe('44px');
+      expect(element.css('padding-top')).toBe('99px');
+      expect(element.css(postCompStyle)).toBe(postCompVal);
+    });
+
+
+    it('should overwrite original styles after a colliding model change', function() {
+      scope.styleObj = {'height': '99px', 'width': '88px'};
+      scope.$apply();
+      expect(element.css(preCompStyle)).toBe('88px');
+      expect(element.css(postCompStyle)).toBe('99px');
+      scope.styleObj = {};
+      scope.$apply();
+      expect(element.css(preCompStyle)).not.toBe('88px');
+      expect(element.css(postCompStyle)).not.toBe('99px');
+    });
+  });
+});