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import unittest
from BALLCore import String, IndexOverflow, IndexUnderflow
class TestString(unittest.TestCase):
def test_ctor(self):
s = String()
self.assertIsNotNone(s)
def test_ctorString(self):
s = String('ABC')
self.assertEquals(s.size(), 3)
self.assertEquals(s.c_str()[0], 'A')
self.assertEquals(s.c_str()[1], 'B')
self.assertEquals(s.c_str()[2], 'C')
def test_ctorString3(self):
s = 'halloh'
self.assertEquals(String(s), 'halloh')
self.assertEquals(String(s, 1), 'alloh')
self.assertEquals(String(s, 1, 2), 'al')
self.assertEquals(String(s, -1, 0), '')
self.assertEquals(String(s, -5), 'alloh')
self.assertEquals(String(s, 2, 3), 'llo')
self.assertRaises(IndexOverflow, lambda: String(s, 0, 8))
self.assertRaises(IndexUnderflow, lambda: String(s, -12))
def test_copyCtor(self):
s = String(String())
self.assertEquals(s.size(), 0)
s = String(String('ABC'))
self.assertEquals(s.size(), 3)
def test_copyCtor3(self):
s = String('Halloh')
self.assertEquals(String(s, 0, 0), '')
self.assertEquals(String(s, 2, 4), 'lloh')
self.assertEquals(String(s, 4, 2), 'oh')
self.assertEquals(String(s, 3), 'loh')
self.assertEquals(String(s, -2), 'oh')
self.assertEquals(String(s, -1), 'h')
self.assertRaises(IndexOverflow, lambda: String(s, 1, 7))
def test_cstr(self):
s = String()
self.assertEquals(len(s.c_str()), 0)
def test_size(self):
s = String()
self.assertEquals(s.size(), 0)
def test__eq__(self):
s1 = String()
self.assertTrue(s1 == '')
self.assertTrue(s1 == s1)
self.assertTrue(s1 == s1.c_str())
self.assertFalse(s1 == 'Hallo')
self.assertFalse(s1 == 'Halla')
self.assertFalse(s1 == 'Halloh')
self.assertFalse(s1 == 'Hall')
s2 = String('Hallo')
self.assertTrue(s2 == 'Hallo')
self.assertTrue(s2 == s2)
self.assertTrue(s2 == s2.c_str())
self.assertFalse(s2 == '')
self.assertFalse(s2 == 'Halla')
self.assertFalse(s2 == 'Halloh')
self.assertFalse(s2 == 'Hall')
self.assertFalse(s1 == s2)
self.assertFalse(s2 == s1)
self.assertFalse(s2 == String('Hall'))
self.assertFalse(s2 == String('Halloh'))
def suite():
return unittest.TestLoader().loadTestsFromTestCase(TestString)
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