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Issue #1717, stage 2: remove uses of tp_compare in Modules and most

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Objects.
This commit is contained in:
Mark Dickinson 2009-02-01 10:28:51 +00:00
parent 776e7014e9
commit 211c625829
15 changed files with 385 additions and 113 deletions
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70
Lib/test/test_parser.py
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@ -2,6 +2,7 @@ import parser
import os
import unittest
import sys
import operator
from test import support
#
@ -496,12 +497,81 @@ class ParserStackLimitTestCase(unittest.TestCase):
file=sys.stderr)
self.assertRaises(MemoryError, parser.expr, e)
class STObjectTestCase(unittest.TestCase):
"""Test operations on ST objects themselves"""
def test_comparisons(self):
# ST objects should support order and equality comparisons
st1 = parser.expr('2 + 3')
st2 = parser.suite('x = 2; y = x + 3')
st3 = parser.expr('list(x**3 for x in range(20))')
st1_copy = parser.expr('2 + 3')
st2_copy = parser.suite('x = 2; y = x + 3')
st3_copy = parser.expr('list(x**3 for x in range(20))')
# exercise fast path for object identity
self.assertEquals(st1 == st1, True)
self.assertEquals(st2 == st2, True)
self.assertEquals(st3 == st3, True)
# slow path equality
self.assertEqual(st1, st1_copy)
self.assertEqual(st2, st2_copy)
self.assertEqual(st3, st3_copy)
self.assertEquals(st1 == st2, False)
self.assertEquals(st1 == st3, False)
self.assertEquals(st2 == st3, False)
self.assertEquals(st1 != st1, False)
self.assertEquals(st2 != st2, False)
self.assertEquals(st3 != st3, False)
self.assertEquals(st1 != st1_copy, False)
self.assertEquals(st2 != st2_copy, False)
self.assertEquals(st3 != st3_copy, False)
self.assertEquals(st2 != st1, True)
self.assertEquals(st1 != st3, True)
self.assertEquals(st3 != st2, True)
# we don't particularly care what the ordering is; just that
# it's usable and self-consistent
self.assertEquals(st1 < st2, not (st2 <= st1))
self.assertEquals(st1 < st3, not (st3 <= st1))
self.assertEquals(st2 < st3, not (st3 <= st2))
self.assertEquals(st1 < st2, st2 > st1)
self.assertEquals(st1 < st3, st3 > st1)
self.assertEquals(st2 < st3, st3 > st2)
self.assertEquals(st1 <= st2, st2 >= st1)
self.assertEquals(st3 <= st1, st1 >= st3)
self.assertEquals(st2 <= st3, st3 >= st2)
# transitivity
bottom = min(st1, st2, st3)
top = max(st1, st2, st3)
mid = sorted([st1, st2, st3])[1]
self.assert_(bottom < mid)
self.assert_(bottom < top)
self.assert_(mid < top)
self.assert_(bottom <= mid)
self.assert_(bottom <= top)
self.assert_(mid <= top)
self.assert_(bottom <= bottom)
self.assert_(mid <= mid)
self.assert_(top <= top)
# interaction with other types
self.assertEquals(st1 == 1588.602459, False)
self.assertEquals('spanish armada' != st2, True)
self.assertRaises(TypeError, operator.ge, st3, None)
self.assertRaises(TypeError, operator.le, False, st1)
self.assertRaises(TypeError, operator.lt, st1, 1815)
self.assertRaises(TypeError, operator.gt, b'waterloo', st2)
# XXX tests for pickling and unpickling of ST objects should go here
def test_main():
support.run_unittest(
RoundtripLegalSyntaxTestCase,
IllegalSyntaxTestCase,
CompileTestCase,
ParserStackLimitTestCase,
STObjectTestCase,
)