public void ReadValueTest()
{
Control c = new Control();
c.BindingContext = new BindingContext();
c.CreateControl();
ChildMockItem item = new ChildMockItem();
item.ObjectValue = "A";
Binding binding = new Binding("Tag", item, "ObjectValue");
binding.ControlUpdateMode = ControlUpdateMode.Never;
c.DataBindings.Add(binding);
Assert.AreEqual(null, c.Tag, "#A1");
item.ObjectValue = "B";
Assert.AreEqual(null, c.Tag, "#B1");
binding.ReadValue();
Assert.AreEqual("B", c.Tag, "#C1");
item.ObjectValue = "C";
binding.ReadValue();
Assert.AreEqual("C", c.Tag, "#D1");
c.Dispose();
}
public void DataSourceNullTest()
{
ChildMockItem item = new ChildMockItem();
Control c = new Control();
c.Tag = null;
item.ObjectValue = null;
c.DataBindings.Add("Tag", item, "ObjectValue");
Form f = new Form();
f.Controls.Add(c);
f.Show(); // Need this to init data binding
Assert.AreEqual(DBNull.Value, c.Tag, "1");
f.Dispose();
}
public void DataSourceNullValueTest()
{
Control c = new Control();
c.BindingContext = new BindingContext();
c.CreateControl();
ChildMockItem item = new ChildMockItem();
item.ObjectValue = "A";
Binding binding = new Binding("Tag", item, "ObjectValue");
binding.DataSourceNullValue = "NonNull";
c.DataBindings.Add(binding);
Assert.AreEqual(c.Tag, "A", "#A1");
// Since Tag property doesn't have a
// TagChanged event, we need to force an update
c.Tag = null;
binding.WriteValue();
Assert.AreEqual(item.ObjectValue, "NonNull", "#B1");
}
public void DataSourceNullValueTest ()
{
Control c = new Control ();
c.BindingContext = new BindingContext ();
c.CreateControl ();
ChildMockItem item = new ChildMockItem ();
item.ObjectValue = "A";
Binding binding = new Binding ("Tag", item, "ObjectValue");
binding.DataSourceNullValue = "NonNull";
c.DataBindings.Add (binding);
Assert.AreEqual (c.Tag, "A", "#A1");
// Since Tag property doesn't have a
// TagChanged event, we need to force an update
c.Tag = null;
binding.WriteValue ();
Assert.AreEqual (item.ObjectValue, "NonNull", "#B1");
}
public void ReadValueTest ()
{
Control c = new Control ();
c.BindingContext = new BindingContext ();
c.CreateControl ();
ChildMockItem item = new ChildMockItem ();
item.ObjectValue = "A";
Binding binding = new Binding ("Tag", item, "ObjectValue");
binding.ControlUpdateMode = ControlUpdateMode.Never;
c.DataBindings.Add (binding);
Assert.AreEqual (null, c.Tag, "#A1");
item.ObjectValue = "B";
Assert.AreEqual (null, c.Tag, "#B1");
binding.ReadValue ();
Assert.AreEqual ("B", c.Tag, "#C1");
item.ObjectValue = "C";
binding.ReadValue ();
Assert.AreEqual ("C", c.Tag, "#D1");
c.Dispose();
}
public void DataSourceNullTest ()
{
ChildMockItem item = new ChildMockItem ();
Control c = new Control ();
c.Tag = null;
item.ObjectValue = null;
c.DataBindings.Add ("Tag", item, "ObjectValue");
Form f = new Form ();
f.Controls.Add (c);
f.Show (); // Need this to init data binding
Assert.AreEqual (DBNull.Value, c.Tag, "1");
f.Dispose ();
}