public void CreateUndo_NewAndOldMustBeRev()
{
var info = new ConfigurationChangeInfo
{
New = "a",
Old = "b"
};
var ud = ConfigurationChangeInfoExtensions.CreateUndo(info);
Assert.AreEqual("a", ud.Old);
Assert.AreEqual("b", ud.New);
}
public void GivenNullInit_MustThrowException()
{
Assert.ThrowsException <ArgumentNullException>(() => ConfigurationChangeInfoExtensions.CreateUndo(null));
Assert.ThrowsException <ArgumentNullException>(() => ConfigurationChangeInfoExtensions.Undo(null));
}