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authorcinap_lenrek <cinap_lenrek@localhost>2011-05-03 11:25:13 +0000
committercinap_lenrek <cinap_lenrek@localhost>2011-05-03 11:25:13 +0000
commit458120dd40db6b4df55a4e96b650e16798ef06a0 (patch)
tree8f82685be24fef97e715c6f5ca4c68d34d5074ee /sys/lib/python/test/test_unary.py
parent3a742c699f6806c1145aea5149bf15de15a0afd7 (diff)
add hg and python
Diffstat (limited to 'sys/lib/python/test/test_unary.py')
-rw-r--r--sys/lib/python/test/test_unary.py59
1 files changed, 59 insertions, 0 deletions
diff --git a/sys/lib/python/test/test_unary.py b/sys/lib/python/test/test_unary.py
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+++ b/sys/lib/python/test/test_unary.py
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+"""Test compiler changes for unary ops (+, -, ~) introduced in Python 2.2"""
+
+import unittest
+from test.test_support import run_unittest, have_unicode
+
+class UnaryOpTestCase(unittest.TestCase):
+
+ def test_negative(self):
+ self.assert_(-2 == 0 - 2)
+ self.assert_(-0 == 0)
+ self.assert_(--2 == 2)
+ self.assert_(-2L == 0 - 2L)
+ self.assert_(-2.0 == 0 - 2.0)
+ self.assert_(-2j == 0 - 2j)
+
+ def test_positive(self):
+ self.assert_(+2 == 2)
+ self.assert_(+0 == 0)
+ self.assert_(++2 == 2)
+ self.assert_(+2L == 2L)
+ self.assert_(+2.0 == 2.0)
+ self.assert_(+2j == 2j)
+
+ def test_invert(self):
+ self.assert_(-2 == 0 - 2)
+ self.assert_(-0 == 0)
+ self.assert_(--2 == 2)
+ self.assert_(-2L == 0 - 2L)
+
+ def test_no_overflow(self):
+ nines = "9" * 32
+ self.assert_(eval("+" + nines) == eval("+" + nines + "L"))
+ self.assert_(eval("-" + nines) == eval("-" + nines + "L"))
+ self.assert_(eval("~" + nines) == eval("~" + nines + "L"))
+
+ def test_negation_of_exponentiation(self):
+ # Make sure '**' does the right thing; these form a
+ # regression test for SourceForge bug #456756.
+ self.assertEqual(-2 ** 3, -8)
+ self.assertEqual((-2) ** 3, -8)
+ self.assertEqual(-2 ** 4, -16)
+ self.assertEqual((-2) ** 4, 16)
+
+ def test_bad_types(self):
+ for op in '+', '-', '~':
+ self.assertRaises(TypeError, eval, op + "'a'")
+ if have_unicode:
+ self.assertRaises(TypeError, eval, op + "u'a'")
+
+ self.assertRaises(TypeError, eval, "~2j")
+ self.assertRaises(TypeError, eval, "~2.0")
+
+
+def test_main():
+ run_unittest(UnaryOpTestCase)
+
+
+if __name__ == "__main__":
+ test_main()