public void Dispose_SiteEventHandler_InvokesEventHandlerAndRemovesSiteFromComponent()
{
bool calledDisposed = false;
var site = new Site();
var component = new MarshalByValueComponent()
{
Site = site
};
component.Disposed += (sender, e) =>
{
Assert.Same(component, sender);
Assert.Same(EventArgs.Empty, e);
calledDisposed = true;
};
Assert.False(calledDisposed);
site.Container.Add(component);
component.Dispose();
Assert.True(calledDisposed);
Assert.Empty(site.Container.Components);
// Call multiple times.
component.Site = site;
site.Container = null;
calledDisposed = false;
component.Dispose();
Assert.True(calledDisposed);
}
public void ToString_WithSite_ReturnsExpected()
{
var component = new MarshalByValueComponent()
{
Site = new Site()
};
Assert.Equal("name [System.ComponentModel.MarshalByValueComponent]", component.ToString());
}
public void Disposed_AddRemoveEventHandler_Success()
{
bool calledDisposedHandler = false;
void Handler(object sender, EventArgs e) => calledDisposedHandler = true;
var component = new MarshalByValueComponent();
component.Disposed += Handler;
component.Disposed -= Handler;
component.Dispose();
Assert.False(calledDisposedHandler);
}
/// <summary>
/// 绑定显示数据的控件
/// </summary>
/// <param name="control">显示数据的控件</param>
/// <param name="dt">数据源，目前只支持DataTable和DataSet</param>
private void DataBind(Control control, MarshalByValueComponent dt)
{
if (control == null)
{
return;
}
//为什么没有一个统一的DataSource呢？
//GridView等
var tmpBaseDataBoundControl = control as BaseDataBoundControl;
if (tmpBaseDataBoundControl != null)
{
tmpBaseDataBoundControl.DataSource = dt;
tmpBaseDataBoundControl.DataBind();
return;
}
//Repeater
var tmpRepeater = control as Repeater;
if (tmpRepeater != null)
{
tmpRepeater.DataSource = dt;
tmpRepeater.DataBind();
return;
}
//DataGrid、DataList
var tmpBaseDataList = control as BaseDataList;
if (tmpBaseDataList != null)
{
tmpBaseDataList.DataSource = dt;
tmpBaseDataList.DataBind();
}
//不在判断范围内，退出
}
public void ToString_NoSite_ReturnsExpected()
{
var component = new MarshalByValueComponent();
Assert.Equal("System.ComponentModel.MarshalByValueComponent", component.ToString());
}
