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Issue #20546: Use specific asserts in int tests.

This commit is contained in:
Serhiy Storchaka 2014-02-08 14:28:33 +02:00
parent 016a3f33a5
commit 3a20a5dead
1 changed files with 24 additions and 24 deletions
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48
Lib/test/test_long.py
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@ -130,7 +130,7 @@ class LongTest(unittest.TestCase):
# The sign of the number is also random.
def getran(self, ndigits):
self.assertTrue(ndigits > 0)
self.assertGreater(ndigits, 0)
nbits_hi = ndigits * SHIFT
nbits_lo = nbits_hi - SHIFT + 1
answer = 0
@ -865,21 +865,21 @@ class LongTest(unittest.TestCase):
def test_small_ints(self):
for i in range(-5, 257):
self.assertTrue(i is i + 0)
self.assertTrue(i is i * 1)
self.assertTrue(i is i - 0)
self.assertTrue(i is i // 1)
self.assertTrue(i is i & -1)
self.assertTrue(i is i | 0)
self.assertTrue(i is i ^ 0)
self.assertTrue(i is ~~i)
self.assertTrue(i is i**1)
self.assertTrue(i is int(str(i)))
self.assertTrue(i is i<<2>>2, str(i))
self.assertIs(i, i + 0)
self.assertIs(i, i * 1)
self.assertIs(i, i - 0)
self.assertIs(i, i // 1)
self.assertIs(i, i & -1)
self.assertIs(i, i | 0)
self.assertIs(i, i ^ 0)
self.assertIs(i, ~~i)
self.assertIs(i, i**1)
self.assertIs(i, int(str(i)))
self.assertIs(i, i<<2>>2, str(i))
# corner cases
i = 1 << 70
self.assertTrue(i - i is 0)
self.assertTrue(0 * i is 0)
self.assertIs(i - i, 0)
self.assertIs(0 * i, 0)
def test_bit_length(self):
tiny = 1e-10
@ -926,7 +926,7 @@ class LongTest(unittest.TestCase):
got = round(k+offset, -1)
expected = v+offset
self.assertEqual(got, expected)
self.assertTrue(type(got) is int)
self.assertIs(type(got), int)
# larger second argument
self.assertEqual(round(-150, -2), -200)
@ -965,7 +965,7 @@ class LongTest(unittest.TestCase):
got = round(10**k + 324678, -3)
expect = 10**k + 325000
self.assertEqual(got, expect)
self.assertTrue(type(got) is int)
self.assertIs(type(got), int)
# nonnegative second argument: round(x, n) should just return x
for n in range(5):
@ -973,7 +973,7 @@ class LongTest(unittest.TestCase):
x = random.randrange(-10000, 10000)
got = round(x, n)
self.assertEqual(got, x)
self.assertTrue(type(got) is int)
self.assertIs(type(got), int)
for huge_n in 2**31-1, 2**31, 2**63-1, 2**63, 2**100, 10**100:
self.assertEqual(round(8979323, huge_n), 8979323)
@ -982,7 +982,7 @@ class LongTest(unittest.TestCase):
x = random.randrange(-10000, 10000)
got = round(x)
self.assertEqual(got, x)
self.assertTrue(type(got) is int)
self.assertIs(type(got), int)
# bad second argument
bad_exponents = ('brian', 2.0, 0j, None)
@ -1187,15 +1187,15 @@ class LongTest(unittest.TestCase):
class myint(int):
pass
self.assertTrue(type(myint.from_bytes(b'\x00', 'big')) is myint)
self.assertIs(type(myint.from_bytes(b'\x00', 'big')), myint)
self.assertEqual(myint.from_bytes(b'\x01', 'big'), 1)
self.assertTrue(
type(myint.from_bytes(b'\x00', 'big', signed=False)) is myint)
self.assertIs(
type(myint.from_bytes(b'\x00', 'big', signed=False)), myint)
self.assertEqual(myint.from_bytes(b'\x01', 'big', signed=False), 1)
self.assertTrue(type(myint.from_bytes(b'\x00', 'little')) is myint)
self.assertIs(type(myint.from_bytes(b'\x00', 'little')), myint)
self.assertEqual(myint.from_bytes(b'\x01', 'little'), 1)
self.assertTrue(type(myint.from_bytes(
b'\x00', 'little', signed=False)) is myint)
self.assertIs(type(myint.from_bytes(
b'\x00', 'little', signed=False)), myint)
self.assertEqual(myint.from_bytes(b'\x01', 'little', signed=False), 1)
self.assertEqual(
int.from_bytes([255, 0, 0], 'big', signed=True), -65536)