public void TestExecuteParameterIsNotListBoxItem()
{
List <decimal> itemList = new List <decimal>();
RemoveItemCommand removeItemCommand = new RemoveItemCommand(itemList.RemoveAt);
var exception = Assert.ThrowsException <ArgumentException>(() => { removeItemCommand.Execute(new TextBox()); });
Assert.AreEqual("parameter is not a ListBoxItem", exception.Message);
}
public void TestExecute()
{
List <decimal> itemList = new List <decimal>()
{
15.00M, 50.00M, 20.00M
};
RemoveItemCommand removeItemCommand = new RemoveItemCommand(itemList.RemoveAt);
ListBoxItem listBoxItem = new ListBoxItem()
{
Content = new Tuple <decimal, int>(50.00M, 1)
};
removeItemCommand.Execute(listBoxItem);
Assert.AreEqual(2, itemList.Count);
Assert.AreEqual(15.00M, itemList[0]);
Assert.AreEqual(20.00M, itemList[1]);
}