From 458120dd40db6b4df55a4e96b650e16798ef06a0 Mon Sep 17 00:00:00 2001 From: cinap_lenrek Date: Tue, 3 May 2011 11:25:13 +0000 Subject: add hg and python --- sys/lib/python/test/test_unary.py | 59 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 sys/lib/python/test/test_unary.py (limited to 'sys/lib/python/test/test_unary.py') diff --git a/sys/lib/python/test/test_unary.py b/sys/lib/python/test/test_unary.py new file mode 100644 index 000000000..9854f64d0 --- /dev/null +++ b/sys/lib/python/test/test_unary.py @@ -0,0 +1,59 @@ +"""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() -- cgit v1.2.3