public void TestGetIfExists()
{
var ints = new List <int>(new int[] { 10, 20, 30, 40 });
Assert.AreEqual(10, CollectionHelper.GetIfExists(ints, 0));
Assert.AreEqual(20, CollectionHelper.GetIfExists(ints, 1));
Assert.AreEqual(30, CollectionHelper.GetIfExists(ints, 2));
Assert.AreEqual(40, CollectionHelper.GetIfExists(ints, 3));
Assert.AreEqual(0, CollectionHelper.GetIfExists(ints, 4));
Assert.AreEqual(0, CollectionHelper.GetIfExists(ints, 5));
}
/// <summary>Returns the keyboard on a PC</summary>
/// <returns>The keyboard</returns>
public IKeyboard GetKeyboard()
{
return(CollectionHelper.GetIfExists(this.keyboards, 4));
}
/// <summary>Returns the primary mouse input device</summary>
/// <returns>The primary mouse</returns>
public IMouse GetMouse()
{
return(CollectionHelper.GetIfExists(this.mice, 0));
}
/// <summary>Returns the keyboard on a PC</summary>
/// <returns>The keyboard</returns>
IKeyboard IInputService.GetKeyboard()
{
return(CollectionHelper.GetIfExists(this.keyboards, 4));
}
/// <summary>Returns the primary mouse input device</summary>
/// <returns>The primary mouse</returns>
IMouse IInputService.GetMouse()
{
return(CollectionHelper.GetIfExists(this.mice, 0));
}