public void TestStringCombobox()
{
TCmbVersatile cmb = new TCmbVersatile();
cmb.SetDataSourceStringList("test1,test2,test3");
Assert.AreEqual(3, cmb.Items.Count, "combobox should have 3 inital items");
cmb.SetSelectedString("test2");
Assert.AreEqual("test2", cmb.GetSelectedString(), "get the second string, normal");
cmb.SetSelectedString("invalid");
Assert.AreEqual("test2", cmb.GetSelectedString(), "get the second string, after invalid assignment");
Assert.AreEqual(3, cmb.Items.Count, "keep the items even after invalid assignment");
}
public void TestDataViewCombobox()
{
TCmbVersatile cmb = new TCmbVersatile();
DataTable t = new DataTable();
t.Columns.Add("value", typeof(string));
t.Columns.Add("display", typeof(string));
DataRow r = t.NewRow();
r[0] = "test1";
r[1] = "Test 1";
t.Rows.Add(r);
r = t.NewRow();
r[0] = "test2";
r[1] = "Test 2";
t.Rows.Add(r);
r = t.NewRow();
r[0] = "test3";
r[1] = "Test 3";
t.Rows.Add(r);
cmb.DisplayMember = "display";
cmb.ValueMember = "value";
cmb.DataSource = t.DefaultView;
cmb.EndUpdate();
cmb.Invalidate();
// need to add combobox to a form, otherwise the cmb.Items will be empty
System.Windows.Forms.Form frm = new System.Windows.Forms.Form();
frm.Controls.Add(cmb);
frm.Show();
Assert.AreEqual(3, ((DataView)cmb.DataSource).Count, "combobox should have 3 inital items in the data source");
Assert.AreEqual(3, cmb.Items.Count, "combobox should have 3 inital items in the items list");
cmb.SetSelectedString("test2");
Assert.AreEqual("test2", cmb.GetSelectedString(), "get the second string, normal");
cmb.SetSelectedString("invalid");
Assert.AreEqual("test2", cmb.GetSelectedString(), "get the second string, after invalid assignment");
Assert.AreEqual(3, cmb.Items.Count, "keep the items even after invalid assignment");
}