diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_itertools.py | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py index 945c58d..d21d8ed 100644 --- a/Lib/test/test_itertools.py +++ b/Lib/test/test_itertools.py @@ -510,12 +510,18 @@ class TestBasicOps(unittest.TestCase): self.assertEqual(take(2, zip('abc',count(-3))), [('a', -3), ('b', -2)]) self.assertRaises(TypeError, count, 2, 3, 4) self.assertRaises(TypeError, count, 'a') - self.assertEqual(list(islice(count(maxsize-5), 10)), + self.assertEqual(take(10, count(maxsize-5)), list(range(maxsize-5, maxsize+5))) - self.assertEqual(list(islice(count(-maxsize-5), 10)), + self.assertEqual(take(10, count(-maxsize-5)), list(range(-maxsize-5, -maxsize+5))) - self.assertEqual(list(islice(count(10, maxsize+5), 3)), - list(range(10, 10+3*(maxsize+5), maxsize+5))) + self.assertEqual(take(3, count(3.25)), [3.25, 4.25, 5.25]) + self.assertEqual(take(3, count(3.25-4j)), [3.25-4j, 4.25-4j, 5.25-4j]) + self.assertEqual(take(3, count(Decimal('1.1'))), + [Decimal('1.1'), Decimal('2.1'), Decimal('3.1')]) + self.assertEqual(take(3, count(Fraction(2, 3))), + [Fraction(2, 3), Fraction(5, 3), Fraction(8, 3)]) + BIGINT = 1<<1000 + self.assertEqual(take(3, count(BIGINT)), [BIGINT, BIGINT+1, BIGINT+2]) c = count(3) self.assertEqual(repr(c), 'count(3)') next(c) @@ -523,8 +529,10 @@ class TestBasicOps(unittest.TestCase): c = count(-9) self.assertEqual(repr(c), 'count(-9)') next(c) - self.assertEqual(repr(count(10.25)), 'count(10.25)') self.assertEqual(next(c), -8) + self.assertEqual(repr(count(10.25)), 'count(10.25)') + self.assertEqual(repr(count(10.0)), 'count(10.0)') + self.assertEqual(type(next(count(10.0))), float) for i in (-sys.maxsize-5, -sys.maxsize+5 ,-10, -1, 0, 10, sys.maxsize-5, sys.maxsize+5): # Test repr r1 = repr(count(i)) @@ -548,16 +556,22 @@ class TestBasicOps(unittest.TestCase): [('a', 2), ('b', 5), ('c', 8)]) self.assertEqual(lzip('abc',count(step=-1)), [('a', 0), ('b', -1), ('c', -2)]) + self.assertRaises(TypeError, count, 'a', 'b') self.assertEqual(lzip('abc',count(2,0)), [('a', 2), ('b', 2), ('c', 2)]) self.assertEqual(lzip('abc',count(2,1)), [('a', 2), ('b', 3), ('c', 4)]) self.assertEqual(lzip('abc',count(2,3)), [('a', 2), ('b', 5), ('c', 8)]) self.assertEqual(take(20, count(maxsize-15, 3)), take(20, range(maxsize-15, maxsize+100, 3))) self.assertEqual(take(20, count(-maxsize-15, 3)), take(20, range(-maxsize-15,-maxsize+100, 3))) + self.assertEqual(take(3, count(10, maxsize+5)), + list(range(10, 10+3*(maxsize+5), maxsize+5))) + self.assertEqual(take(3, count(2, 1.25)), [2, 3.25, 4.5]) self.assertEqual(take(3, count(2, 3.25-4j)), [2, 5.25-4j, 8.5-8j]) self.assertEqual(take(3, count(Decimal('1.1'), Decimal('.1'))), [Decimal('1.1'), Decimal('1.2'), Decimal('1.3')]) self.assertEqual(take(3, count(Fraction(2,3), Fraction(1,7))), [Fraction(2,3), Fraction(17,21), Fraction(20,21)]) + BIGINT = 1<<1000 + self.assertEqual(take(3, count(step=BIGINT)), [0, BIGINT, 2*BIGINT]) self.assertEqual(repr(take(3, count(10, 2.5))), repr([10, 12.5, 15.0])) c = count(3, 5) self.assertEqual(repr(c), 'count(3, 5)') @@ -575,6 +589,10 @@ class TestBasicOps(unittest.TestCase): self.assertEqual(repr(count(10.5, 1.25)), 'count(10.5, 1.25)') self.assertEqual(repr(count(10.5, 1)), 'count(10.5)') # suppress step=1 when it's an int self.assertEqual(repr(count(10.5, 1.00)), 'count(10.5, 1.0)') # do show float values lilke 1.0 + self.assertEqual(repr(count(10, 1.00)), 'count(10, 1.0)') + c = count(10, 1.0) + self.assertEqual(type(next(c)), int) + self.assertEqual(type(next(c)), float) for i in (-sys.maxsize-5, -sys.maxsize+5 ,-10, -1, 0, 10, sys.maxsize-5, sys.maxsize+5): for j in (-sys.maxsize-5, -sys.maxsize+5 ,-10, -1, 0, 1, 10, sys.maxsize-5, sys.maxsize+5): # Test repr |