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46 lines
1.1 KiB
Python
46 lines
1.1 KiB
Python
from testutils import assert_raises
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assert round(1.2) == 1
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assert round(1.8) == 2
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assert round(0.5) == 0
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assert round(1.5) == 2
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assert round(-0.5) == 0
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assert round(-1.5) == -2
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# ValueError: cannot convert float NaN to integer
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assert_raises(ValueError, round, float("nan"))
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# OverflowError: cannot convert float infinity to integer
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assert_raises(OverflowError, round, float("inf"))
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# OverflowError: cannot convert float infinity to integer
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assert_raises(OverflowError, round, -float("inf"))
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assert round(0) == 0
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assert isinstance(round(0), int)
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assert round(0.0) == 0
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assert isinstance(round(0.0), int)
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assert round(0, None) == 0
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assert isinstance(round(0, None), int)
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assert round(0.0, None) == 0
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assert isinstance(round(0, None), int)
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assert round(0, 0) == 0
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assert isinstance(round(0, 0), int)
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assert round(0.0, 0) == 0.0 # Cannot check the type
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assert isinstance(round(0.0, 0), float)
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with assert_raises(TypeError):
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round(0, 0.0)
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with assert_raises(TypeError):
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round(0.0, 0.0)
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class X:
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def __round__(self, ndigits=None):
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return 1.1
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assert round(X(), 1) == 1.1
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assert round(X(), None) == 1.1
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assert round(X()) == 1.1
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