def test_missing_fractional(self):
value, endptr = read_float("1.", 0)
self.assertEqual(value, "1.")
self.assertEqual(endptr, 2)
value, endptr = read_float("2. 3", 0)
self.assertEqual(value, "2.")
self.assertEqual(endptr, 2)
def test_missing_decimal(self):
value, endptr = read_float(".92", 0)
self.assertEqual(value, ".92")
self.assertEqual(endptr, 3)
value, endptr = read_float("-.92", 0)
self.assertEqual(value, "-.92")
self.assertEqual(endptr, 4)
value, endptr = read_float(".92e+3", 0)
self.assertEqual(value, ".92e+3")
self.assertEqual(endptr, 6)
value, endptr = read_float("-.92e+3", 0)
self.assertEqual(value, "-.92e+3")
self.assertEqual(endptr, 7)
# TODO(sergey): Make these catch more concrete.
with self.assertRaises(Exception):
read_float(".", 0)
with self.assertRaises(Exception):
read_float(".e+1", 0)
def test_single_value(self):
value, endptr = read_float("1.2", 0)
self.assertEqual(value, "1.2")
self.assertEqual(endptr, 3)
def test_empty_spaces(self):
value, endptr = read_float(" ", 0)
self.assertEqual(value, "0")
self.assertEqual(endptr, 4)
def test_not_a_number(self):
# TODO(sergey): Make this more concrete.
with self.assertRaises(Exception):
read_float("1.2eV", 3)
def test_comma(self):
value, endptr = read_float("1.2 ,,3.4 5.6", 3)
self.assertEqual(value, "3.4")
self.assertEqual(endptr, 10)
def test_middle(self):
value, endptr = read_float("1.2 3.4 5.6", 3)
self.assertEqual(value, "3.4")
self.assertEqual(endptr, 8)
def test_scientific_value_no_sign(self):
value, endptr = read_float("1.2e3", 0)
self.assertEqual(value, "1.2e3")
self.assertEqual(endptr, 5)
def test_scientific_value(self):
value, endptr = read_float("1.2e+3", 0)
self.assertEqual(value, "1.2e+3")
self.assertEqual(endptr, 6)
