public void AppId_Method()
{
Assert.Throws<ArgumentNullException>(() => new FacebookInitializationWidget().AppId(null));
Assert.Throws<ArgumentException>(() => new FacebookInitializationWidget().AppId(string.Empty));
var widget = new FacebookInitializationWidget();
Assert.Null(widget.AppId());
Assert.True(ReferenceEquals(widget.AppId("appId"), widget));
Assert.Equal("appId", widget.AppId());
}
public void Constructors()
{
var widget = new FacebookInitializationWidget();
Assert.Null(widget.AppId());
}