private void AssertThrows(Func <DefaultMessage, object> func, string message, Exception innerException)
{
var defaultMessage = DefaultMessage.New("Default message.");
AssertException(Assert.Throws <TestException>(() => func(defaultMessage)));
defaultMessage = null;
AssertException(Assert.Throws <TestException>(() => func(defaultMessage)));
void AssertException(Exception exception)
{
if (message is null)
{
Assert.NotNull(exception.Message);
if (defaultMessage != null)
{
Assert.NotEqual(defaultMessage.ToString(), exception.Message);
}
}
else
{
Assert.Equal(message, exception.Message);
}
if (innerException is null)
{
Assert.Null(exception.InnerException);
}
else
{
Assert.Equal(innerException, exception.InnerException);
}
}
}
