public void user_requests_a_sell_before_close_of_trading()
{
GIVEN
.I_have_100_shares_of_MSFT_stock()
.And.I_have_150_shares_of_APPL_stock()
.And.The_time_is_before_close_of_trading();
WHEN
.I_ask_to_sell_20_shares_of_MSFT_stock();
THEN
.I_should_have_80_shares_of_MSFT_stock()
.And.I_should_have_150_shares_of_APPL_stock()
.And.A_sell_order_for_20_shares_of_MSFT_stock_should_have_been_executed();
}
public void user_requests_a_sell()
{
GIVEN.I_have_100_shares_of_MSFT_stock();
WHEN.I_ask_to_sell_20_shares_of_MSFT_stock();
THEN.I_should_have_80_shares_of_MSFT_stock();
}