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Copy pathtest_complex.py
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63 lines (48 loc) · 2.05 KB
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# Licensed to the .NET Foundation under one or more agreements.
# The .NET Foundation licenses this file to you under the Apache 2.0 License.
# See the LICENSE file in the project root for more information.
import unittest
from iptest.type_util import *
from iptest import run_test
class ComplexTest(unittest.TestCase):
def test_from_string(self):
# complex from string: negative
# - space related
l = ['1.2', '.3', '4e3', '.3e-4', "0.031"]
for x in l:
for y in l:
self.assertRaises(ValueError, complex, "%s +%sj" % (x, y))
self.assertRaises(ValueError, complex, "%s+ %sj" % (x, y))
self.assertRaises(ValueError, complex, "%s - %sj" % (x, y))
self.assertRaises(ValueError, complex, "%s- %sj" % (x, y))
self.assertRaises(ValueError, complex, "%s-\t%sj" % (x, y))
self.assertRaises(ValueError, complex, "%sj+%sj" % (x, y))
self.assertEqual(complex(" %s+%sj" % (x, y)), complex(" %s+%sj " % (x, y)))
def test_misc(self):
self.assertEqual(mycomplex(), complex())
a = mycomplex(1)
b = mycomplex(1,0)
c = complex(1)
d = complex(1,0)
for x in [a,b,c,d]:
for y in [a,b,c,d]:
self.assertEqual(x,y)
self.assertEqual(a ** 2, a)
self.assertEqual(a-complex(), a)
self.assertEqual(a+complex(), a)
self.assertEqual(complex()/a, complex())
self.assertEqual(complex()*a, complex())
self.assertEqual(complex()%a, complex())
self.assertEqual(complex() // a, complex())
self.assertEqual(complex(2), complex(2, 0))
def test_inherit(self):
class mycomplex(complex): pass
a = mycomplex(2+1j)
self.assertEqual(a.real, 2)
self.assertEqual(a.imag, 1)
def test_repr(self):
self.assertEqual(repr(1-6j), '(1-6j)')
def test_infinite(self):
self.assertEqual(repr(1.0e340j), 'infj')
self.assertEqual(repr(-1.0e340j),'-infj')
run_test(__name__)