def test_float_input(self):
element = etree.Element('number')
element.text = '5.0'
assert is_number(element) is True
element1 = etree.Element('number')
element1.text = '-4.24'
assert is_number(element1) is True
def test_truncation_input(self):
element = etree.Element('number')
element.text = '3.6432...'
assert is_number(element) is True
element1 = etree.Element('number')
element1.text = '-0.9274...'
assert is_number(element1) is True
def test_fraction_input(self):
element = etree.Element('number')
element.text = '\\frac{3}{2}'
assert is_number(element) is True
element1 = etree.Element('number')
element1.text = '3/2'
assert is_number(element1) is True
def test_integer_input(self):
element = etree.Element('number')
element.text = '5'
assert is_number(element) is True
element1 = etree.Element('number')
element1.text = '-3'
assert is_number(element1) is True
def test_number_with_pipe_input(self):
element = etree.Element('number')
element.text = '3.6432|3533'
assert is_number(element) is True
element1 = etree.Element('number')
element1.text = '-0.927|3424...'
assert is_number(element1) is True
def test_float_input(self):
element = etree.Element('number')
element.text = '5.0'
self.assertTrue(is_number(element))
element1 = etree.Element('number')
element1.text = '-4.24'
self.assertTrue(is_number(element1))
def test_integer_input(self):
element = etree.Element('number')
element.text = '5'
self.assertTrue(is_number(element))
element1 = etree.Element('number')
element1.text = '-3'
self.assertTrue(is_number(element1))
def test_fraction_input(self):
element = etree.Element('number')
element.text = '\\frac{3}{2}'
self.assertTrue(is_number(element))
element1 = etree.Element('number')
element1.text = '3/2'
self.assertTrue(is_number(element1))
def test_recurring_input(self):
element = etree.Element('number')
element.text = '3.643(2)'
assert is_number(element) is True
element1 = etree.Element('number')
element1.text = '-0.927(4)'
assert is_number(element1) is True
element2 = etree.Element('number')
element2.text = '3.643[2]'
assert is_number(element2) is True
element3 = etree.Element('number')
element3.text = '-0.927[4]'
assert is_number(element3) is True
def test_scientific_notation_input(self):
element = etree.Element('number')
element.text = '34e9'
assert is_number(element) is True
element1 = etree.Element('number')
element1.text = '-34e9'
assert is_number(element1) is True
element2 = etree.Element('number')
element2.text = '34e-9'
assert is_number(element2) is True
element3 = etree.Element('number')
coeff = etree.SubElement(element3, 'coeff')
coeff.text = '3'
exp = etree.SubElement(element3, 'exp')
exp.text = '3'
assert is_number(element3) is True
