public void PlaceOrder_3Parameters()
{
// Arrange
var vendor = new Vendor();
var product = new Product(1, "Saw", "");
var expected = new OperationResult(true,
"Order from Acme, Inc\r\nProduct: Saw\r\nQuantity: 12" +
"\r\nDeliver By: " + new DateTime(2018,10,25).ToString("d") +
"\r\nInstructions: standard delivery");
// Act
var actual = vendor.PlaceOrder(product, 12,
new DateTimeOffset(2018, 10, 25, 0, 0, 0, new TimeSpan(-7, 0, 0)));
// Assert
Assert.AreEqual(expected.Success, actual.Success);
Assert.AreEqual(expected.Message, actual.Message);
}