def test_tan():
a = PhysicalQuantity(0, 'deg')
assert a.tan() == 0
def test_dir():
g = PhysicalQuantity(1, 'mm')
l = g.__dir__()
assert 'value' in l
assert 'unit' in l
assert 'mm' in l
def test_sin():
a = PhysicalQuantity(0, 'deg')
assert a.sin() == 0
def test_cos():
a = PhysicalQuantity(0, 'deg')
assert a.cos() == 1
def test_format():
a = PhysicalQuantity(1.123123, 'm')
assert str(a) == '1.123123 m'
a.format = '.3f'
assert str(a) == '1.123 m'
def test_rint():
g = PhysicalQuantity(1.1, 'mm')
assert g.rint() == PhysicalQuantity(1, 'mm')
def test_sqrt():
a = PhysicalQuantity(2, 'mm')
b = PhysicalQuantity(4, 'mm**2')
assert b.pow(0.5) == a
assert b**0.5 == a
def test_sqrt2():
a = PhysicalQuantity(2, 'mm')
b = PhysicalQuantity(4, 'mm**2')
assert b.sqrt() == a
def test_pow_builtin():
a = PhysicalQuantity(2, 'm')
b = PhysicalQuantity(4, 'm**2')
assert a.pow(2) == b
assert a**2 == b
def test_prefix_attributes():
d = PhysicalQuantity(1, 'm')
assert d.to('mm') == d.mm
def test_to_1():
a = PhysicalQuantity(4000, 'mm/s')
assert a.to('m/s') == a
def test_to():
a = PhysicalQuantity(1, 'm')
b = PhysicalQuantity(1000, 'mm')
assert a.to('mm') == b
def test_repr_markdown():
b = PhysicalQuantity(1, 'mm')
assert b._repr_markdown_() == '1 $\\text{mm}$'
