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"""Unit tests for buffer objects.
For now, we just test (the brand new) rich comparison.
"""
import unittest
from test import test_support
class BufferTests(unittest.TestCase):
def test_comparison(self):
a = buffer("a.b.c")
b = buffer("a.b" + ".c")
self.assert_(a == b)
self.assert_(a <= b)
self.assert_(a >= b)
self.assert_(a == "a.b.c")
self.assert_(a <= "a.b.c")
self.assert_(a >= "a.b.c")
b = buffer("a.b.c.d")
self.assert_(a != b)
self.assert_(a <= b)
self.assert_(a < b)
self.assert_(a != "a.b.c.d")
self.assert_(a < "a.b.c.d")
self.assert_(a <= "a.b.c.d")
b = buffer("a.b")
self.assert_(a != b)
self.assert_(a >= b)
self.assert_(a > b)
self.assert_(a != "a.b")
self.assert_(a > "a.b")
self.assert_(a >= "a.b")
b = object()
self.assert_(a != b)
self.failIf(a == b)
self.assertRaises(TypeError, lambda: a < b)
def test_main():
test_support.run_unittest(BufferTests)
if __name__ == "__main__":
test_main()
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