예제 #1
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def test_sell():
    p = Portfolio()
    p.buy("MSFT", 100, 27.0)
    p.buy("DELL", 100, 17.0)
    p.buy("ORCL", 100, 34.0)
    p.sell("MSFT", 50)
    assert p.cost() == 6450
예제 #2
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def test_empty():
    p = Portfolio()
    assert p.cost() == 0.0
예제 #3
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def test_buy_two_stocks():
    p = Portfolio()
    p.buy("IBM", 100, 176.48)
    p.buy("HPQ", 100, 36.15)
    assert p.cost() == 21263.0
예제 #4
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def test_buy_one_stock():
    p = Portfolio()
    p.buy("IBM", 100, 176.48)
    assert p.cost() == 17648.0