Author: Armin Rigo <[email protected]>
Branch:
Changeset: r97117:b14e43faf847
Date: 2019-08-09 15:20 +0200
http://bitbucket.org/pypy/pypy/changeset/b14e43faf847/
Log: merge heads
diff --git a/pypy/objspace/std/test/apptest_longobject.py
b/pypy/objspace/std/test/apptest_longobject.py
new file mode 100644
--- /dev/null
+++ b/pypy/objspace/std/test/apptest_longobject.py
@@ -0,0 +1,409 @@
+from pytest import raises
+import sys
+import math
+import operator
+
+def test_trunc():
+ assert math.trunc(1L) == 1L
+ assert math.trunc(-1L) == -1L
+
+def test_add():
+ x = 123L
+ assert int(x + 12443L) == 123 + 12443
+ x = -20
+ assert x + 2 + 3L + True == -14L
+
+def test_sub():
+ assert int(58543L - 12332L) == 58543 - 12332
+ assert int(58543L - 12332) == 58543 - 12332
+ assert int(58543 - 12332L) == 58543 - 12332
+ x = 237123838281233L
+ assert x * 12 == x * 12L
+
+def test_mul():
+ x = 363L
+ assert x * 2 ** 40 == x << 40
+
+def test_truediv():
+ exec "from __future__ import division; a = 31415926L / 10000000L"
+ assert a == 3.1415926
+
+def test_floordiv():
+ x = 31415926L
+ a = x // 10000000L
+ assert a == 3L
+
+def test_int_floordiv():
+ x = 3000L
+ a = x // 1000
+ assert a == 3L
+
+ x = 3000L
+ a = x // -1000
+ assert a == -3L
+
+ x = 3000L
+ raises(ZeroDivisionError, "x // 0")
+
+ n = sys.maxint+1
+ assert n / int(-n) == -1L
+
+def test_numerator_denominator():
+ assert (1L).numerator == 1L
+ assert (1L).denominator == 1L
+ assert (42L).numerator == 42L
+ assert (42L).denominator == 1L
+
+def test_compare():
+ Z = 0
+ ZL = 0L
+
+ assert Z == ZL
+ assert not (Z != ZL)
+ assert ZL == Z
+ assert not (ZL != Z)
+ assert Z <= ZL
+ assert not (Z < ZL)
+ assert ZL <= ZL
+ assert not (ZL < ZL)
+
+ for BIG in (1L, 1L << 62, 1L << 9999):
+ assert not (Z == BIG)
+ assert Z != BIG
+ assert not (BIG == Z)
+ assert BIG != Z
+ assert not (ZL == BIG)
+ assert ZL != BIG
+ assert Z <= BIG
+ assert Z < BIG
+ assert not (BIG <= Z)
+ assert not (BIG < Z)
+ assert ZL <= BIG
+ assert ZL < BIG
+ assert not (BIG <= ZL)
+ assert not (BIG < ZL)
+ assert not (Z <= -BIG)
+ assert not (Z < -BIG)
+ assert -BIG <= Z
+ assert -BIG < Z
+ assert not (ZL <= -BIG)
+ assert not (ZL < -BIG)
+ assert -BIG <= ZL
+ assert -BIG < ZL
+ #
+ assert not (BIG < int(BIG))
+ assert (BIG <= int(BIG))
+ assert (BIG == int(BIG))
+ assert not (BIG != int(BIG))
+ assert not (BIG > int(BIG))
+ assert (BIG >= int(BIG))
+ #
+ assert (BIG < int(BIG)+1)
+ assert (BIG <= int(BIG)+1)
+ assert not (BIG == int(BIG)+1)
+ assert (BIG != int(BIG)+1)
+ assert not (BIG > int(BIG)+1)
+ assert not (BIG >= int(BIG)+1)
+ #
+ assert not (BIG < int(BIG)-1)
+ assert not (BIG <= int(BIG)-1)
+ assert not (BIG == int(BIG)-1)
+ assert (BIG != int(BIG)-1)
+ assert (BIG > int(BIG)-1)
+ assert (BIG >= int(BIG)-1)
+ #
+ assert not (int(BIG) < BIG)
+ assert (int(BIG) <= BIG)
+ assert (int(BIG) == BIG)
+ assert not (int(BIG) != BIG)
+ assert not (int(BIG) > BIG)
+ assert (int(BIG) >= BIG)
+ #
+ assert not (int(BIG)+1 < BIG)
+ assert not (int(BIG)+1 <= BIG)
+ assert not (int(BIG)+1 == BIG)
+ assert (int(BIG)+1 != BIG)
+ assert (int(BIG)+1 > BIG)
+ assert (int(BIG)+1 >= BIG)
+ #
+ assert (int(BIG)-1 < BIG)
+ assert (int(BIG)-1 <= BIG)
+ assert not (int(BIG)-1 == BIG)
+ assert (int(BIG)-1 != BIG)
+ assert not (int(BIG)-1 > BIG)
+ assert not (int(BIG)-1 >= BIG)
+
+def test_conversion():
+ class long2(long):
+ pass
+ x = 1L
+ x = long2(x<<100)
+ y = int(x)
+ assert type(y) == long
+ assert type(+long2(5)) is long
+ assert type(long2(5) << 0) is long
+ assert type(long2(5) >> 0) is long
+ assert type(long2(5) + 0) is long
+ assert type(long2(5) - 0) is long
+ assert type(long2(5) * 1) is long
+ assert type(1 * long2(5)) is long
+ assert type(0 + long2(5)) is long
+ assert type(-long2(0)) is long
+ assert type(long2(5) // 1) is long
+
+def test_shift():
+ assert 65l >> 2l == 16l
+ assert 65l >> 2 == 16l
+ assert 65 >> 2l == 16l
+ assert 65l << 2l == 65l * 4
+ assert 65l << 2 == 65l * 4
+ assert 65 << 2l == 65l * 4
+ raises(ValueError, "1L << -1L")
+ raises(ValueError, "1L << -1")
+ raises(OverflowError, "1L << (2 ** 100)")
+ raises(ValueError, "1L >> -1L")
+ raises(ValueError, "1L >> -1")
+ raises(OverflowError, "1L >> (2 ** 100)")
+
+def test_pow():
+ x = 0L
+ assert pow(x, 0L, 1L) == 0L
+ assert pow(-1L, -1L) == -1.0
+ assert pow(2 ** 68, 0.5) == 2.0 ** 34
+ assert pow(2 ** 68, 2) == 2 ** 136
+ raises(TypeError, pow, 2l, -1, 3)
+ raises(ValueError, pow, 2l, 5, 0)
+
+ # some rpow tests
+ assert pow(0, 0L, 1L) == 0L
+ assert pow(-1, -1L) == -1.0
+
+def test_int_pow():
+ x = 2L
+ assert pow(x, 2) == 4L
+ assert pow(x, 2, 2) == 0L
+ assert pow(x, 2, 3L) == 1L
+
+def test_getnewargs():
+ assert 0L .__getnewargs__() == (0L,)
+ assert (-1L) .__getnewargs__() == (-1L,)
+
+def test_divmod():
+ def check_division(x, y):
+ q, r = divmod(x, y)
+ pab, pba = x*y, y*x
+ assert pab == pba
+ assert q == x // y
+ assert r == x % y
+ assert x == q*y + r
+ if y > 0:
+ assert 0 <= r < y
+ else:
+ assert y < r <= 0
+ for x in [-1L, 0L, 1L, 2L ** 100 - 1, -2L ** 100 - 1]:
+ for y in [-105566530L, -1L, 1L, 1034522340L]:
+ print "checking division for %s, %s" % (x, y)
+ check_division(x, y)
+ check_division(x, int(y))
+ check_division(int(x), y)
+ # special case from python tests:
+ s1 = 33
+ s2 = 2
+ x =
16565645174462751485571442763871865344588923363439663038777355323778298703228675004033774331442052275771343018700586987657790981527457655176938756028872904152013524821759375058141439
+ x >>= s1*16
+ y = 10953035502453784575
+ y >>= s2*16
+ x = 0x3FE0003FFFFC0001FFFL
+ y = 0x9800FFC1L
+ check_division(x, y)
+ raises(ZeroDivisionError, "x // 0L")
+ raises(ZeroDivisionError, "x % 0L")
+ raises(ZeroDivisionError, divmod, x, 0L)
+ raises(ZeroDivisionError, "x // 0")
+ raises(ZeroDivisionError, "x % 0")
+ raises(ZeroDivisionError, divmod, x, 0)
+
+def test_int_divmod():
+ q, r = divmod(100L, 11)
+ assert q == 9L
+ assert r == 1L
+
+def test_format():
+ assert repr(12345678901234567890) == '12345678901234567890L'
+ assert str(12345678901234567890) == '12345678901234567890'
+ assert hex(0x1234567890ABCDEFL) == '0x1234567890abcdefL'
+ assert oct(01234567012345670L) == '01234567012345670L'
+
+def test_bits():
+ x = 0xAAAAAAAAL
+ assert x | 0x55555555L == 0xFFFFFFFFL
+ assert x & 0x55555555L == 0x00000000L
+ assert x ^ 0x55555555L == 0xFFFFFFFFL
+ assert -x | 0x55555555L == -0xAAAAAAA9L
+ assert x | 0x555555555L == 0x5FFFFFFFFL
+ assert x & 0x555555555L == 0x000000000L
+ assert x ^ 0x555555555L == 0x5FFFFFFFFL
+
+def test_hash():
+ # ints have the same hash as equal longs
+ for i in range(-4, 14):
+ assert hash(i) == hash(long(i)) == long(i).__hash__()
+ # might check too much -- it's ok to change the hashing algorithm
+ assert hash(123456789L) == 123456789
+ assert hash(1234567890123456789L) in (
+ -1895067127, # with 32-bit platforms
+ 1234567890123456789) # with 64-bit platforms
+
+def test_math_log():
+ raises(ValueError, math.log, 0L)
+ raises(ValueError, math.log, -1L)
+ raises(ValueError, math.log, -2L)
+ raises(ValueError, math.log, -(1L << 10000))
+ #raises(ValueError, math.log, 0)
+ raises(ValueError, math.log, -1)
+ raises(ValueError, math.log, -2)
+
+def test_long():
+ n = -sys.maxint-1
+ assert long(n) == n
+ assert str(long(n)) == str(n)
+ a = buffer('123')
+ assert long(a) == 123L
+
+def test_huge_longs():
+ x = 1L
+ huge = x << 40000L
+ raises(OverflowError, float, huge)
+ raises(OverflowError, operator.truediv, huge, 3)
+ raises(OverflowError, operator.truediv, huge, 3L)
+
+def test_just_trunc():
+ class myint(object):
+ def __trunc__(self):
+ return 42
+ assert long(myint()) == 42
+
+def test_override___long__():
+ class mylong(long):
+ def __long__(self):
+ return 42L
+ assert long(mylong(21)) == 42L
+ class myotherlong(long):
+ pass
+ assert long(myotherlong(21)) == 21L
+
+def test___long__():
+ class A(object):
+ def __long__(self):
+ return 42
+ assert long(A()) == 42L
+ class B(object):
+ def __int__(self):
+ return 42
+ raises(TypeError, long, B())
+
+ class LongSubclass(long):
+ pass
+ class ReturnsLongSubclass(object):
+ def __long__(self):
+ return LongSubclass(42L)
+ n = long(ReturnsLongSubclass())
+ assert n == 42
+ assert type(n) is LongSubclass
+
+def test_trunc_returns():
+ # but!: (blame CPython 2.7)
+ class Integral(object):
+ def __int__(self):
+ return 42
+ class TruncReturnsNonLong(object):
+ def __trunc__(self):
+ return Integral()
+ n = long(TruncReturnsNonLong())
+ assert type(n) is long
+ assert n == 42
+
+ class LongSubclass(long):
+ pass
+ class TruncReturnsNonInt(object):
+ def __trunc__(self):
+ return LongSubclass(42)
+ n = long(TruncReturnsNonInt())
+ assert n == 42
+ assert type(n) is LongSubclass
+
+def test_long_before_string():
+ class A(str):
+ def __long__(self):
+ return 42
+ assert long(A('abc')) == 42
+
+def test_long_errors():
+ raises(TypeError, long, 12, 12)
+ raises(ValueError, long, 'xxxxxx?', 12)
+
+def test_conjugate():
+ assert (7L).conjugate() == 7L
+ assert (-7L).conjugate() == -7L
+
+ class L(long):
+ pass
+
+ assert type(L(7).conjugate()) is long
+
+ class L(long):
+ def __pos__(self):
+ return 43
+ assert L(7).conjugate() == 7L
+
+def test_bit_length():
+ assert 8L.bit_length() == 4
+ assert (-1<<40).bit_length() == 41
+ assert ((2**31)-1).bit_length() == 31
+
+def test_negative_zero():
+ x = eval("-0L")
+ assert x == 0L
+
+def test_mix_int_and_long():
+ class IntLongMixClass(object):
+ def __int__(self):
+ return 42L
+
+ def __long__(self):
+ return 64
+
+ mixIntAndLong = IntLongMixClass()
+ as_long = long(mixIntAndLong)
+ assert type(as_long) is long
+ assert as_long == 64
+
+def test_long_real():
+ class A(long): pass
+ b = A(5).real
+ assert type(b) is long
+
+def test__int__():
+ class A(long):
+ def __int__(self):
+ return 42
+
+ assert int(long(3)) == long(3)
+ assert int(A(13)) == 42
+
+def test_long_error_msg():
+ e = raises(TypeError, long, [])
+ assert str(e.value) == (
+ "long() argument must be a string or a number, not 'list'")
+
+def test_coerce():
+ assert 3L.__coerce__(4L) == (3L, 4L)
+ assert 3L.__coerce__(4) == (3, 4)
+ assert 3L.__coerce__(object()) == NotImplemented
+
+def test_linear_long_base_16():
+ # never finishes if long(_, 16) is not linear-time
+ size = 100000
+ n = "a" * size
+ expected = (2 << (size * 4)) // 3
+ assert long(n, 16) == expected
diff --git a/pypy/objspace/std/test/test_longobject.py
b/pypy/objspace/std/test/test_longobject.py
--- a/pypy/objspace/std/test/test_longobject.py
+++ b/pypy/objspace/std/test/test_longobject.py
@@ -1,4 +1,3 @@
-import py
from pypy.objspace.std import longobject as lobj
from rpython.rlib.rbigint import rbigint
@@ -36,417 +35,3 @@
x &= r.MASK
w_obj = space.newlong_from_rarith_int(r(x))
assert space.bigint_w(w_obj).eq(rbigint.fromlong(x))
-
-
-class AppTestLong:
- def test_trunc(self):
- import math
- assert math.trunc(1L) == 1L
- assert math.trunc(-1L) == -1L
-
- def test_add(self):
- x = 123L
- assert int(x + 12443L) == 123 + 12443
- x = -20
- assert x + 2 + 3L + True == -14L
-
- def test_sub(self):
- assert int(58543L - 12332L) == 58543 - 12332
- assert int(58543L - 12332) == 58543 - 12332
- assert int(58543 - 12332L) == 58543 - 12332
- x = 237123838281233L
- assert x * 12 == x * 12L
-
- def test_mul(self):
- x = 363L
- assert x * 2 ** 40 == x << 40
-
- def test_truediv(self):
- exec "from __future__ import division; a = 31415926L / 10000000L"
- assert a == 3.1415926
-
- def test_floordiv(self):
- x = 31415926L
- a = x // 10000000L
- assert a == 3L
-
- def test_int_floordiv(self):
- import sys
-
- x = 3000L
- a = x // 1000
- assert a == 3L
-
- x = 3000L
- a = x // -1000
- assert a == -3L
-
- x = 3000L
- raises(ZeroDivisionError, "x // 0")
-
- n = sys.maxint+1
- assert n / int(-n) == -1L
-
- def test_numerator_denominator(self):
- assert (1L).numerator == 1L
- assert (1L).denominator == 1L
- assert (42L).numerator == 42L
- assert (42L).denominator == 1L
-
- def test_compare(self):
- Z = 0
- ZL = 0L
-
- assert Z == ZL
- assert not (Z != ZL)
- assert ZL == Z
- assert not (ZL != Z)
- assert Z <= ZL
- assert not (Z < ZL)
- assert ZL <= ZL
- assert not (ZL < ZL)
-
- for BIG in (1L, 1L << 62, 1L << 9999):
- assert not (Z == BIG)
- assert Z != BIG
- assert not (BIG == Z)
- assert BIG != Z
- assert not (ZL == BIG)
- assert ZL != BIG
- assert Z <= BIG
- assert Z < BIG
- assert not (BIG <= Z)
- assert not (BIG < Z)
- assert ZL <= BIG
- assert ZL < BIG
- assert not (BIG <= ZL)
- assert not (BIG < ZL)
- assert not (Z <= -BIG)
- assert not (Z < -BIG)
- assert -BIG <= Z
- assert -BIG < Z
- assert not (ZL <= -BIG)
- assert not (ZL < -BIG)
- assert -BIG <= ZL
- assert -BIG < ZL
- #
- assert not (BIG < int(BIG))
- assert (BIG <= int(BIG))
- assert (BIG == int(BIG))
- assert not (BIG != int(BIG))
- assert not (BIG > int(BIG))
- assert (BIG >= int(BIG))
- #
- assert (BIG < int(BIG)+1)
- assert (BIG <= int(BIG)+1)
- assert not (BIG == int(BIG)+1)
- assert (BIG != int(BIG)+1)
- assert not (BIG > int(BIG)+1)
- assert not (BIG >= int(BIG)+1)
- #
- assert not (BIG < int(BIG)-1)
- assert not (BIG <= int(BIG)-1)
- assert not (BIG == int(BIG)-1)
- assert (BIG != int(BIG)-1)
- assert (BIG > int(BIG)-1)
- assert (BIG >= int(BIG)-1)
- #
- assert not (int(BIG) < BIG)
- assert (int(BIG) <= BIG)
- assert (int(BIG) == BIG)
- assert not (int(BIG) != BIG)
- assert not (int(BIG) > BIG)
- assert (int(BIG) >= BIG)
- #
- assert not (int(BIG)+1 < BIG)
- assert not (int(BIG)+1 <= BIG)
- assert not (int(BIG)+1 == BIG)
- assert (int(BIG)+1 != BIG)
- assert (int(BIG)+1 > BIG)
- assert (int(BIG)+1 >= BIG)
- #
- assert (int(BIG)-1 < BIG)
- assert (int(BIG)-1 <= BIG)
- assert not (int(BIG)-1 == BIG)
- assert (int(BIG)-1 != BIG)
- assert not (int(BIG)-1 > BIG)
- assert not (int(BIG)-1 >= BIG)
-
- def test_conversion(self):
- class long2(long):
- pass
- x = 1L
- x = long2(x<<100)
- y = int(x)
- assert type(y) == long
- assert type(+long2(5)) is long
- assert type(long2(5) << 0) is long
- assert type(long2(5) >> 0) is long
- assert type(long2(5) + 0) is long
- assert type(long2(5) - 0) is long
- assert type(long2(5) * 1) is long
- assert type(1 * long2(5)) is long
- assert type(0 + long2(5)) is long
- assert type(-long2(0)) is long
- assert type(long2(5) // 1) is long
-
- def test_shift(self):
- assert 65l >> 2l == 16l
- assert 65l >> 2 == 16l
- assert 65 >> 2l == 16l
- assert 65l << 2l == 65l * 4
- assert 65l << 2 == 65l * 4
- assert 65 << 2l == 65l * 4
- raises(ValueError, "1L << -1L")
- raises(ValueError, "1L << -1")
- raises(OverflowError, "1L << (2 ** 100)")
- raises(ValueError, "1L >> -1L")
- raises(ValueError, "1L >> -1")
- raises(OverflowError, "1L >> (2 ** 100)")
-
- def test_pow(self):
- x = 0L
- assert pow(x, 0L, 1L) == 0L
- assert pow(-1L, -1L) == -1.0
- assert pow(2 ** 68, 0.5) == 2.0 ** 34
- assert pow(2 ** 68, 2) == 2 ** 136
- raises(TypeError, pow, 2l, -1, 3)
- raises(ValueError, pow, 2l, 5, 0)
-
- # some rpow tests
- assert pow(0, 0L, 1L) == 0L
- assert pow(-1, -1L) == -1.0
-
- def test_int_pow(self):
- x = 2L
- assert pow(x, 2) == 4L
- assert pow(x, 2, 2) == 0L
- assert pow(x, 2, 3L) == 1L
-
- def test_getnewargs(self):
- assert 0L .__getnewargs__() == (0L,)
- assert (-1L) .__getnewargs__() == (-1L,)
-
- def test_divmod(self):
- def check_division(x, y):
- q, r = divmod(x, y)
- pab, pba = x*y, y*x
- assert pab == pba
- assert q == x // y
- assert r == x % y
- assert x == q*y + r
- if y > 0:
- assert 0 <= r < y
- else:
- assert y < r <= 0
- for x in [-1L, 0L, 1L, 2L ** 100 - 1, -2L ** 100 - 1]:
- for y in [-105566530L, -1L, 1L, 1034522340L]:
- print "checking division for %s, %s" % (x, y)
- check_division(x, y)
- check_division(x, int(y))
- check_division(int(x), y)
- # special case from python tests:
- s1 = 33
- s2 = 2
- x =
16565645174462751485571442763871865344588923363439663038777355323778298703228675004033774331442052275771343018700586987657790981527457655176938756028872904152013524821759375058141439
- x >>= s1*16
- y = 10953035502453784575
- y >>= s2*16
- x = 0x3FE0003FFFFC0001FFFL
- y = 0x9800FFC1L
- check_division(x, y)
- raises(ZeroDivisionError, "x // 0L")
- raises(ZeroDivisionError, "x % 0L")
- raises(ZeroDivisionError, divmod, x, 0L)
- raises(ZeroDivisionError, "x // 0")
- raises(ZeroDivisionError, "x % 0")
- raises(ZeroDivisionError, divmod, x, 0)
-
- def test_int_divmod(self):
- q, r = divmod(100L, 11)
- assert q == 9L
- assert r == 1L
-
- def test_format(self):
- assert repr(12345678901234567890) == '12345678901234567890L'
- assert str(12345678901234567890) == '12345678901234567890'
- assert hex(0x1234567890ABCDEFL) == '0x1234567890abcdefL'
- assert oct(01234567012345670L) == '01234567012345670L'
-
- def test_bits(self):
- x = 0xAAAAAAAAL
- assert x | 0x55555555L == 0xFFFFFFFFL
- assert x & 0x55555555L == 0x00000000L
- assert x ^ 0x55555555L == 0xFFFFFFFFL
- assert -x | 0x55555555L == -0xAAAAAAA9L
- assert x | 0x555555555L == 0x5FFFFFFFFL
- assert x & 0x555555555L == 0x000000000L
- assert x ^ 0x555555555L == 0x5FFFFFFFFL
-
- def test_hash(self):
- # ints have the same hash as equal longs
- for i in range(-4, 14):
- assert hash(i) == hash(long(i)) == long(i).__hash__()
- # might check too much -- it's ok to change the hashing algorithm
- assert hash(123456789L) == 123456789
- assert hash(1234567890123456789L) in (
- -1895067127, # with 32-bit platforms
- 1234567890123456789) # with 64-bit platforms
-
- def test_math_log(self):
- import math
- raises(ValueError, math.log, 0L)
- raises(ValueError, math.log, -1L)
- raises(ValueError, math.log, -2L)
- raises(ValueError, math.log, -(1L << 10000))
- #raises(ValueError, math.log, 0)
- raises(ValueError, math.log, -1)
- raises(ValueError, math.log, -2)
-
- def test_long(self):
- import sys
- n = -sys.maxint-1
- assert long(n) == n
- assert str(long(n)) == str(n)
- a = buffer('123')
- assert long(a) == 123L
-
- def test_huge_longs(self):
- import operator
- x = 1L
- huge = x << 40000L
- raises(OverflowError, float, huge)
- raises(OverflowError, operator.truediv, huge, 3)
- raises(OverflowError, operator.truediv, huge, 3L)
-
- def test_just_trunc(self):
- class myint(object):
- def __trunc__(self):
- return 42
- assert long(myint()) == 42
-
- def test_override___long__(self):
- class mylong(long):
- def __long__(self):
- return 42L
- assert long(mylong(21)) == 42L
- class myotherlong(long):
- pass
- assert long(myotherlong(21)) == 21L
-
- def test___long__(self):
- class A(object):
- def __long__(self):
- return 42
- assert long(A()) == 42L
- class B(object):
- def __int__(self):
- return 42
- raises(TypeError, long, B())
-
- class LongSubclass(long):
- pass
- class ReturnsLongSubclass(object):
- def __long__(self):
- return LongSubclass(42L)
- n = long(ReturnsLongSubclass())
- assert n == 42
- assert type(n) is LongSubclass
-
- def test_trunc_returns(self):
- # but!: (blame CPython 2.7)
- class Integral(object):
- def __int__(self):
- return 42
- class TruncReturnsNonLong(object):
- def __trunc__(self):
- return Integral()
- n = long(TruncReturnsNonLong())
- assert type(n) is long
- assert n == 42
-
- class LongSubclass(long):
- pass
- class TruncReturnsNonInt(object):
- def __trunc__(self):
- return LongSubclass(42)
- n = long(TruncReturnsNonInt())
- assert n == 42
- assert type(n) is LongSubclass
-
- def test_long_before_string(self):
- class A(str):
- def __long__(self):
- return 42
- assert long(A('abc')) == 42
-
- def test_long_errors(self):
- raises(TypeError, long, 12, 12)
- raises(ValueError, long, 'xxxxxx?', 12)
-
- def test_conjugate(self):
- assert (7L).conjugate() == 7L
- assert (-7L).conjugate() == -7L
-
- class L(long):
- pass
-
- assert type(L(7).conjugate()) is long
-
- class L(long):
- def __pos__(self):
- return 43
- assert L(7).conjugate() == 7L
-
- def test_bit_length(self):
- assert 8L.bit_length() == 4
- assert (-1<<40).bit_length() == 41
- assert ((2**31)-1).bit_length() == 31
-
- def test_negative_zero(self):
- x = eval("-0L")
- assert x == 0L
-
- def test_mix_int_and_long(self):
- class IntLongMixClass(object):
- def __int__(self):
- return 42L
-
- def __long__(self):
- return 64
-
- mixIntAndLong = IntLongMixClass()
- as_long = long(mixIntAndLong)
- assert type(as_long) is long
- assert as_long == 64
-
- def test_long_real(self):
- class A(long): pass
- b = A(5).real
- assert type(b) is long
-
- def test__int__(self):
- class A(long):
- def __int__(self):
- return 42
-
- assert int(long(3)) == long(3)
- assert int(A(13)) == 42
-
- def test_long_error_msg(self):
- e = raises(TypeError, long, [])
- assert str(e.value) == (
- "long() argument must be a string or a number, not 'list'")
-
- def test_coerce(self):
- assert 3L.__coerce__(4L) == (3L, 4L)
- assert 3L.__coerce__(4) == (3, 4)
- assert 3L.__coerce__(object()) == NotImplemented
-
- def test_linear_long_base_16(self):
- # never finishes if long(_, 16) is not linear-time
- size = 100000
- n = "a" * size
- expected = (2 << (size * 4)) // 3
- assert long(n, 16) == expected
-
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