public void ToHtmlString_Method()
    {
      Assert.Equal(string.Empty, new VkontakteInitializationWidget().ToString());

      var html = new VkontakteInitializationWidget().ApiId("id").ToString();
      Assert.True(html.Contains(@"<script type=""text/javascript"">"));
      Assert.True(html.Contains(@"VK.init({apiId:id, onlyWidgets:true});"));
    }
        public void ToHtmlString_Method()
        {
            Assert.Equal(string.Empty, new VkontakteInitializationWidget().ToString());

            var html = new VkontakteInitializationWidget().ApiId("id").ToString();

            Assert.True(html.Contains(@"<script type=""text/javascript"">"));
            Assert.True(html.Contains(@"VK.init({apiId:id, onlyWidgets:true});"));
        }
    public void ApiId_Method()
    {
      Assert.Throws<ArgumentNullException>(() => new VkontakteInitializationWidget().ApiId(null));
      Assert.Throws<ArgumentException>(() => new VkontakteInitializationWidget().ApiId(string.Empty));

      var widget = new VkontakteInitializationWidget();
      Assert.Null(widget.ApiId());
      Assert.True(ReferenceEquals(widget.ApiId("apiId"), widget));
      Assert.Equal("apiId", widget.ApiId());
    }
        public void ApiId_Method()
        {
            Assert.Throws <ArgumentNullException>(() => new VkontakteInitializationWidget().ApiId(null));
            Assert.Throws <ArgumentException>(() => new VkontakteInitializationWidget().ApiId(string.Empty));

            var widget = new VkontakteInitializationWidget();

            Assert.Null(widget.ApiId());
            Assert.True(ReferenceEquals(widget.ApiId("apiId"), widget));
            Assert.Equal("apiId", widget.ApiId());
        }
        public void Constructors()
        {
            var widget = new VkontakteInitializationWidget();

            Assert.Null(widget.ApiId());
        }
 public void Constructors()
 {
   var widget = new VkontakteInitializationWidget();
   Assert.Null(widget.ApiId());
 }