public void Click_WithParameter()
{
// Arrange
var mock = new Mock();
var button = new Button();
button.DataContext = mock;
var expectedParameter = Guid.NewGuid().ToString();
ButtonHelper.SetMethodName(button, "DoStuffWithParameter");
ButtonHelper.SetParameter(button, expectedParameter);
// Act
var peer = new ButtonAutomationPeer(button);
var invokeProvider = peer.GetPattern(PatternInterface.Invoke) as IInvokeProvider;
invokeProvider.Invoke();
// Assert
Microsoft.VisualStudio.TestPlatform.UnitTestFramework.Assert.AreEqual(expectedParameter, mock.Parameter, "Parameter");
}