def test_2():
d = globals().copy()
def testfunc():
global x
x = 1
d['testfunc'] = testfunc
profile.runctx("testfunc()", d, d, TESTFN)
vereq (x, 1)
os.unlink (TESTFN)
def test_anon():
print " anonymous mmap.mmap(-1, PAGESIZE)..."
m = mmap.mmap(-1, PAGESIZE)
for x in xrange(PAGESIZE):
verify(m[x] == '\0', "anonymously mmap'ed contents should be zero")
for x in xrange(PAGESIZE):
m[x] = ch = chr(x & 255)
vereq(m[x], ch)
def test_anon():
print " anonymous mmap.mmap(-1, PAGESIZE)..."
m = mmap.mmap(-1, PAGESIZE)
for x in xrange(PAGESIZE):
verify(m[x] == '\0', "anonymously mmap'ed contents should be zero")
for x in xrange(PAGESIZE):
m[x] = ch = chr(x & 255)
vereq(m[x], ch)
def test_2():
d = globals().copy()
def testfunc():
global x
x = 1
d['testfunc'] = testfunc
profile.runctx("testfunc()", d, d, TESTFN)
vereq(x, 1)
os.unlink(TESTFN)
def test_3():
result = []
def testfunc1():
try: len(None)
except: pass
try: len(None)
except: pass
result.append(True)
def testfunc2():
testfunc1()
testfunc1()
profile.runctx("testfunc2()", locals(), locals(), TESTFN)
vereq(result, [True, True])
os.unlink(TESTFN)
def test_pack_into_fn():
test_string = 'Reykjavik rocks, eow!'
writable_buf = array.array('c', ' ' * 100)
fmt = '21s'
pack_into = lambda *args: struct.pack_into(fmt, *args)
# Test without offset.
pack_into(writable_buf, 0, test_string)
from_buf = writable_buf.tostring()[:len(test_string)]
vereq(from_buf, test_string)
# Test with offset.
pack_into(writable_buf, 10, test_string)
from_buf = writable_buf.tostring()[:len(test_string) + 10]
vereq(from_buf, test_string[:10] + test_string)
# Go beyond boundaries.
small_buf = array.array('c', ' ' * 10)
assertRaises(struct.error, pack_into, small_buf, 0, test_string)
assertRaises(struct.error, pack_into, small_buf, 2, test_string)
def test_pack_into():
test_string = 'Reykjavik rocks, eow!'
writable_buf = array.array('c', ' '*100)
fmt = '21s'
s = struct.Struct(fmt)
# Test without offset
s.pack_into(writable_buf, 0, test_string)
from_buf = writable_buf.tostring()[:len(test_string)]
vereq(from_buf, test_string)
# Test with offset.
s.pack_into(writable_buf, 10, test_string)
from_buf = writable_buf.tostring()[:len(test_string)+10]
vereq(from_buf, test_string[:10] + test_string)
# Go beyond boundaries.
small_buf = array.array('c', ' '*10)
assertRaises(struct.error, s.pack_into, small_buf, 0, test_string)
assertRaises(struct.error, s.pack_into, small_buf, 2, test_string)
def test_pack_into_fn():
test_string = 'Reykjavik rocks, eow!'
writable_buf = array.array('c', ' '*100)
fmt = '21s'
pack_into = lambda *args: struct.pack_into(fmt, *args)
# Test without offset.
pack_into(writable_buf, 0, test_string)
from_buf = writable_buf.tostring()[:len(test_string)]
vereq(from_buf, test_string)
# Test with offset.
pack_into(writable_buf, 10, test_string)
from_buf = writable_buf.tostring()[:len(test_string)+10]
vereq(from_buf, test_string[:10] + test_string)
# Go beyond boundaries.
small_buf = array.array('c', ' '*10)
assertRaises((struct.error, ValueError), pack_into, small_buf, 0, test_string)
assertRaises((struct.error, ValueError), pack_into, small_buf, 2, test_string)
def test_3():
result = []
def testfunc1():
try:
len(None)
except:
pass
try:
len(None)
except:
pass
result.append(True)
def testfunc2():
testfunc1()
testfunc1()
profile.runctx("testfunc2()", locals(), locals(), TESTFN)
vereq(result, [True, True])
os.unlink(TESTFN)
def test_pack_into():
test_string = 'Reykjavik rocks, eow!'
writable_buf = array.array('c', ' ' * 100)
fmt = '21s'
s = struct.Struct(fmt)
# Test without offset
s.pack_into(writable_buf, 0, test_string)
from_buf = writable_buf.tostring()[:len(test_string)]
vereq(from_buf, test_string)
# Test with offset.
s.pack_into(writable_buf, 10, test_string)
from_buf = writable_buf.tostring()[:len(test_string) + 10]
vereq(from_buf, test_string[:10] + test_string)
# Go beyond boundaries.
small_buf = array.array('c', ' ' * 10)
assertRaises((struct.error, ValueError), s.pack_into, small_buf, 0,
test_string)
assertRaises((struct.error, ValueError), s.pack_into, small_buf, 2,
test_string)
def test_saveall():
# Verify that cyclic garbage like lists show up in gc.garbage if the
# SAVEALL option is enabled.
# First make sure we don't save away other stuff that just happens to
# be waiting for collection.
gc.collect()
vereq(gc.garbage, []) # if this fails, someone else created immortal trash
L = []
L.append(L)
id_L = id(L)
debug = gc.get_debug()
gc.set_debug(debug | gc.DEBUG_SAVEALL)
del L
gc.collect()
gc.set_debug(debug)
vereq(len(gc.garbage), 1)
obj = gc.garbage.pop()
vereq(id(obj), id_L)
def test_saveall():
# Verify that cyclic garbage like lists show up in gc.garbage if the
# SAVEALL option is enabled.
# First make sure we don't save away other stuff that just happens to
# be waiting for collection.
gc.collect()
vereq(gc.garbage, []) # if this fails, someone else created immortal trash
L = []
L.append(L)
id_L = id(L)
debug = gc.get_debug()
gc.set_debug(debug | gc.DEBUG_SAVEALL)
del L
gc.collect()
gc.set_debug(debug)
vereq(len(gc.garbage), 1)
obj = gc.garbage.pop()
vereq(id(obj), id_L)
pass
def f3(two, arguments):
pass
def f4(two, (compound, (argument, list))):
pass
def f5((compound, first), two):
pass
vereq(f2.func_code.co_varnames, ("one_argument",))
vereq(f3.func_code.co_varnames, ("two", "arguments"))
if check_impl_detail(jython=True):
vereq(f4.func_code.co_varnames, ("two", "(compound, (argument, list))", "compound", "argument", "list"))
vereq(f5.func_code.co_varnames, ("(compound, first)", "two", "compound", "first"))
elif check_impl_detail(pypy=True):
vereq(f4.func_code.co_varnames, ("two", ".2", "compound", "argument", "list"))
vereq(f5.func_code.co_varnames, (".0", "two", "compound", "first"))
elif check_impl_detail(cpython=True):
vereq(f4.func_code.co_varnames, ("two", ".1", "compound", "argument", "list"))
vereq(f5.func_code.co_varnames, (".0", "two", "compound", "first"))
def a1(one_arg,):
pass
from test import test_support
import StringIO
# SF bug 480215: softspace confused in nested print
f = StringIO.StringIO()
class C:
def __str__(self):
print >> f, 'a'
return 'b'
print >> f, C(), 'c ', 'd\t', 'e'
print >> f, 'f', 'g'
# In 2.2 & earlier, this printed ' a\nbc d\te\nf g\n'
test_support.vereq(f.getvalue(), 'a\nb c d\te\nf g\n')
from test import test_support
import StringIO
# SF bug 480215: softspace confused in nested print
f = StringIO.StringIO()
class C:
def __str__(self):
print >> f, 'a'
return 'b'
print >> f, C(), 'c ', 'd\t', 'e'
print >> f, 'f', 'g'
# In 2.2 & earlier, this printed ' a\nbc d\te\nf g\n'
test_support.vereq(f.getvalue(), 'a\nb c d\te\nf g\n')
def test_issue4228():
# Packing a long may yield either 32 or 64 bits
x = struct.pack('L', -1)[:4]
vereq(x, '\xff' * 4)
def test_unpack_with_buffer():
# SF bug 1563759: struct.unpack doens't support buffer protocol objects
data = array.array('B', '\x12\x34\x56\x78')
value, = struct.unpack('>I', data)
vereq(value, 0x12345678)
def test_unpack_from():
test_string = 'abcd01234'
fmt = '4s'
s = struct.Struct(fmt)
for cls in (str, buffer):
data = cls(test_string)
vereq(s.unpack_from(data), ('abcd',))
vereq(s.unpack_from(data, 2), ('cd01',))
vereq(s.unpack_from(data, 4), ('0123',))
for i in xrange(6):
vereq(s.unpack_from(data, i), (data[i:i+4],))
for i in xrange(6, len(test_string) + 1):
simple_err(s.unpack_from, data, i)
for cls in (str, buffer):
data = cls(test_string)
vereq(struct.unpack_from(fmt, data), ('abcd',))
vereq(struct.unpack_from(fmt, data, 2), ('cd01',))
vereq(struct.unpack_from(fmt, data, 4), ('0123',))
for i in xrange(6):
vereq(struct.unpack_from(fmt, data, i), (data[i:i+4],))
for i in xrange(6, len(test_string) + 1):
simple_err(struct.unpack_from, fmt, data, i)
from test.test_support import vereq, TestFailed
import _symtable
symbols = _symtable.symtable("def f(x): return x", "?", "exec")
vereq(symbols[0].name, "global")
vereq(len([ste for ste in symbols.values() if ste.name == "f"]), 1)
# Bug tickler: SyntaxError file name correct whether error raised
# while parsing or building symbol table.
def checkfilename(brokencode):
try:
_symtable.symtable(brokencode, "spam", "exec")
except SyntaxError, e:
vereq(e.filename, "spam")
else:
raise TestFailed("no SyntaxError for %r" % (brokencode,))
checkfilename("def f(x): foo)(") # parse-time
checkfilename("def f(x): global x") # symtable-build-time
def checkfilename(brokencode):
try:
_symtable.symtable(brokencode, "spam", "exec")
except SyntaxError, e:
vereq(e.filename, "spam")
warnings.filterwarnings("ignore", r"import \*", SyntaxWarning, "<string>")
print "1. simple nesting"
def make_adder(x):
def adder(y):
return x + y
return adder
inc = make_adder(1)
plus10 = make_adder(10)
vereq(inc(1), 2)
vereq(plus10(-2), 8)
print "2. extra nesting"
def make_adder2(x):
def extra(): # check freevars passing through non-use scopes
def adder(y):
return x + y
return adder
return extra()
os.kill(pid, getattr(signal, signame))
print >> sys.__stdout__, " child sent", signame, "to", pid
time.sleep(1)
finally:
os._exit(0)
# Install handlers.
hup = signal.signal(signal.SIGHUP, handlerA)
usr1 = signal.signal(signal.SIGUSR1, handlerB)
usr2 = signal.signal(signal.SIGUSR2, signal.SIG_IGN)
alrm = signal.signal(signal.SIGALRM, signal.default_int_handler)
try:
signal.alarm(MAX_DURATION)
vereq(signal.getsignal(signal.SIGHUP), handlerA)
vereq(signal.getsignal(signal.SIGUSR1), handlerB)
vereq(signal.getsignal(signal.SIGUSR2), signal.SIG_IGN)
vereq(signal.getsignal(signal.SIGALRM), signal.default_int_handler)
# Try to ensure this test exits even if there is some problem with alarm.
# Tru64/Alpha often hangs and is ultimately killed by the buildbot.
fork_pid = force_test_exit()
try:
signal.getsignal(4242)
raise TestFailed('expected ValueError for invalid signal # to '
'getsignal()')
except ValueError:
pass
# tests for slice objects; in particular the indices method. from test.test_support import vereq import sys vereq(slice(None ).indices(10), (0, 10, 1)) vereq(slice(None, None, 2).indices(10), (0, 10, 2)) vereq(slice(1, None, 2).indices(10), (1, 10, 2)) vereq(slice(None, None, -1).indices(10), (9, -1, -1)) vereq(slice(None, None, -2).indices(10), (9, -1, -2)) vereq(slice(3, None, -2).indices(10), (3, -1, -2)) vereq(slice(-100, 100 ).indices(10), slice(None).indices(10)) vereq(slice(100, -100, -1).indices(10), slice(None, None, -1).indices(10)) vereq(slice(-100L, 100L, 2L).indices(10), (0, 10, 2)) vereq(range(10)[::sys.maxint - 1], [0])
def test_issue4228():
# Packing a long may yield either 32 or 64 bits
x = struct.pack('L', -1)[:4]
vereq(x, '\xff'*4)
def test_main():
# 1) Push 100 random numbers and pop them off, verifying all's OK.
heap = []
data = []
check_invariant(heap)
for i in range(256):
item = random.random()
data.append(item)
heappush(heap, item)
check_invariant(heap)
results = []
while heap:
item = heappop(heap)
check_invariant(heap)
results.append(item)
data_sorted = data[:]
data_sorted.sort()
vereq(data_sorted, results)
# 2) Check that the invariant holds for a sorted array
check_invariant(results)
# 3) Naive "N-best" algorithm
heap = []
for item in data:
heappush(heap, item)
if len(heap) > 10:
heappop(heap)
heap.sort()
vereq(heap, data_sorted[-10:])
# 4) Test heapify.
for size in range(30):
heap = [random.random() for dummy in range(size)]
heapify(heap)
check_invariant(heap)
# 5) Less-naive "N-best" algorithm, much faster (if len(data) is big
# enough <wink>) than sorting all of data. However, if we had a max
# heap instead of a min heap, it could go faster still via
# heapify'ing all of data (linear time), then doing 10 heappops
# (10 log-time steps).
heap = data[:10]
heapify(heap)
for item in data[10:]:
if item > heap[0]: # this gets rarer the longer we run
heapreplace(heap, item)
vereq(list(heapiter(heap)), data_sorted[-10:])
# 6) Exercise everything with repeated heapsort checks
for trial in xrange(100):
size = random.randrange(50)
data = [random.randrange(25) for i in range(size)]
if trial & 1: # Half of the time, use heapify
heap = data[:]
heapify(heap)
else: # The rest of the time, use heappush
heap = []
for item in data:
heappush(heap, item)
data.sort()
sorted = [heappop(heap) for i in range(size)]
vereq(data, sorted)
# Make user happy
if verbose:
print "All OK"
### varargslist: (fpdef ['=' test] ',')* ('*' NAME [',' ('**'|'*' '*') NAME]
### | ('**'|'*' '*') NAME)
### | fpdef ['=' test] (',' fpdef ['=' test])* [',']
### fpdef: NAME | '(' fplist ')'
### fplist: fpdef (',' fpdef)* [',']
### arglist: (argument ',')* (argument | *' test [',' '**' test] | '**' test)
### argument: [test '='] test # Really [keyword '='] test
def f1(): pass
f1()
f1(*())
f1(*(), **{})
def f2(one_argument): pass
def f3(two, arguments): pass
def f4(two, (compound, (argument, list))): pass
def f5((compound, first), two): pass
vereq(f2.func_code.co_varnames, ('one_argument',))
vereq(f3.func_code.co_varnames, ('two', 'arguments'))
if sys.platform.startswith('java'):
vereq(f4.func_code.co_varnames,
('two', '(compound, (argument, list))', 'compound', 'argument',
'list',))
vereq(f5.func_code.co_varnames,
('(compound, first)', 'two', 'compound', 'first'))
else:
vereq(f4.func_code.co_varnames,
('two', '.1', 'compound', 'argument', 'list'))
vereq(f5.func_code.co_varnames,
('.0', 'two', 'compound', 'first'))
def a1(one_arg,): pass
def a2(two, args,): pass
def v0(*rest): pass
atexit.register(handler1)
atexit.register(handler2)
atexit.register(handler2, 7, kw="abc")
"""
fname = TESTFN + ".py"
f = file(fname, "w")
f.write(input)
f.close()
p = popen('"%s" %s' % (executable, fname))
output = p.read()
p.close()
vereq(output, """\
handler2 (7,) {'kw': 'abc'}
handler2 () {}
handler1
""")
input = """\
def direct():
print "direct exit"
import sys
sys.exitfunc = direct
# Make sure atexit doesn't drop
def indirect():
print "indirect exit"
import atexit
from test.test_support import vereq, TestFailed
import _symtable
symbols = _symtable.symtable("def f(x): return x", "?", "exec")
vereq(symbols[0].name, "global")
vereq(len([ste for ste in symbols.values() if ste.name == "f"]), 1)
# Bug tickler: SyntaxError file name correct whether error raised
# while parsing or building symbol table.
def checkfilename(brokencode):
try:
_symtable.symtable(brokencode, "spam", "exec")
except SyntaxError, e:
vereq(e.filename, "spam")
else:
raise TestFailed("no SyntaxError for %r" % (brokencode, ))
checkfilename("def f(x): foo)(") # parse-time
checkfilename("def f(x): global x") # symtable-build-time
def checkfilename(brokencode):
try:
_symtable.symtable(brokencode, "spam", "exec")
except SyntaxError, e:
vereq(e.filename, "spam")
def check_conversion(num):
mpz_num = mpz.mpz(num)
vereq(int(mpz_num), num)
vereq(long(mpz_num), num)
vereq(str(mpz_num), 'mpz(%s)' % ` int(num) `)
def test_both():
"Test mmap module on Unix systems and Windows"
# Create a file to be mmap'ed.
if os.path.exists(TESTFN):
os.unlink(TESTFN)
f = open(TESTFN, "w+")
try: # unlink TESTFN no matter what
# Write 2 pages worth of data to the file
f.write("\0" * PAGESIZE)
f.write("foo")
f.write("\0" * (PAGESIZE - 3))
f.flush()
m = mmap.mmap(f.fileno(), 2 * PAGESIZE)
f.close()
# Simple sanity checks
print type(m) # SF bug 128713: segfaulted on Linux
print " Position of foo:", m.find("foo") / float(PAGESIZE), "pages"
vereq(m.find("foo"), PAGESIZE)
print " Length of file:", len(m) / float(PAGESIZE), "pages"
vereq(len(m), 2 * PAGESIZE)
print " Contents of byte 0:", repr(m[0])
vereq(m[0], "\0")
print " Contents of first 3 bytes:", repr(m[0:3])
vereq(m[0:3], "\0\0\0")
# Modify the file's content
print "\n Modifying file's content..."
m[0] = "3"
m[PAGESIZE + 3 : PAGESIZE + 3 + 3] = "bar"
# Check that the modification worked
print " Contents of byte 0:", repr(m[0])
vereq(m[0], "3")
print " Contents of first 3 bytes:", repr(m[0:3])
vereq(m[0:3], "3\0\0")
print " Contents of second page:", repr(m[PAGESIZE - 1 : PAGESIZE + 7])
vereq(m[PAGESIZE - 1 : PAGESIZE + 7], "\0foobar\0")
m.flush()
# Test doing a regular expression match in an mmap'ed file
match = re.search("[A-Za-z]+", m)
if match is None:
print " ERROR: regex match on mmap failed!"
else:
start, end = match.span(0)
length = end - start
print " Regex match on mmap (page start, length of match):",
print start / float(PAGESIZE), length
vereq(start, PAGESIZE)
vereq(end, PAGESIZE + 6)
# test seeking around (try to overflow the seek implementation)
m.seek(0, 0)
print " Seek to zeroth byte"
vereq(m.tell(), 0)
m.seek(42, 1)
print " Seek to 42nd byte"
vereq(m.tell(), 42)
m.seek(0, 2)
print " Seek to last byte"
vereq(m.tell(), len(m))
print " Try to seek to negative position..."
try:
m.seek(-1)
except ValueError:
pass
else:
verify(0, "expected a ValueError but did not get it")
print " Try to seek beyond end of mmap..."
try:
m.seek(1, 2)
except ValueError:
pass
else:
verify(0, "expected a ValueError but did not get it")
print " Try to seek to negative position..."
try:
m.seek(-len(m) - 1, 2)
except ValueError:
pass
else:
verify(0, "expected a ValueError but did not get it")
# Try resizing map
print " Attempting resize()"
try:
m.resize(512)
except SystemError:
# resize() not supported
# No messages are printed, since the output of this test suite
# would then be different across platforms.
pass
else:
# resize() is supported
verify(len(m) == 512, "len(m) is %d, but expecting 512" % (len(m),))
# Check that we can no longer seek beyond the new size.
try:
m.seek(513, 0)
except ValueError:
pass
else:
verify(0, "Could seek beyond the new size")
m.close()
finally:
try:
f.close()
except OSError:
pass
try:
os.unlink(TESTFN)
except OSError:
pass
# Test for "access" keyword parameter
try:
mapsize = 10
print " Creating", mapsize, "byte test data file."
open(TESTFN, "wb").write("a" * mapsize)
print " Opening mmap with access=ACCESS_READ"
f = open(TESTFN, "rb")
m = mmap.mmap(f.fileno(), mapsize, access=mmap.ACCESS_READ)
verify(m[:] == "a" * mapsize, "Readonly memory map data incorrect.")
print " Ensuring that readonly mmap can't be slice assigned."
try:
m[:] = "b" * mapsize
except TypeError:
pass
else:
verify(0, "Able to write to readonly memory map")
print " Ensuring that readonly mmap can't be item assigned."
try:
m[0] = "b"
except TypeError:
pass
else:
verify(0, "Able to write to readonly memory map")
print " Ensuring that readonly mmap can't be write() to."
try:
m.seek(0, 0)
m.write("abc")
except TypeError:
pass
else:
verify(0, "Able to write to readonly memory map")
print " Ensuring that readonly mmap can't be write_byte() to."
try:
m.seek(0, 0)
m.write_byte("d")
except TypeError:
pass
else:
verify(0, "Able to write to readonly memory map")
print " Ensuring that readonly mmap can't be resized."
try:
m.resize(2 * mapsize)
except SystemError: # resize is not universally supported
pass
except TypeError:
pass
else:
verify(0, "Able to resize readonly memory map")
del m, f
verify(open(TESTFN, "rb").read() == "a" * mapsize, "Readonly memory map data file was modified")
print " Opening mmap with size too big"
import sys
f = open(TESTFN, "r+b")
try:
m = mmap.mmap(f.fileno(), mapsize + 1)
except ValueError:
# we do not expect a ValueError on Windows
# CAUTION: This also changes the size of the file on disk, and
# later tests assume that the length hasn't changed. We need to
# repair that.
if sys.platform.startswith("win"):
verify(0, "Opening mmap with size+1 should work on Windows.")
else:
# we expect a ValueError on Unix, but not on Windows
if not sys.platform.startswith("win"):
verify(0, "Opening mmap with size+1 should raise ValueError.")
m.close()
f.close()
if sys.platform.startswith("win"):
# Repair damage from the resizing test.
f = open(TESTFN, "r+b")
f.truncate(mapsize)
f.close()
print " Opening mmap with access=ACCESS_WRITE"
f = open(TESTFN, "r+b")
m = mmap.mmap(f.fileno(), mapsize, access=mmap.ACCESS_WRITE)
print " Modifying write-through memory map."
m[:] = "c" * mapsize
verify(m[:] == "c" * mapsize, "Write-through memory map memory not updated properly.")
m.flush()
m.close()
f.close()
f = open(TESTFN, "rb")
stuff = f.read()
f.close()
verify(stuff == "c" * mapsize, "Write-through memory map data file not updated properly.")
print " Opening mmap with access=ACCESS_COPY"
f = open(TESTFN, "r+b")
m = mmap.mmap(f.fileno(), mapsize, access=mmap.ACCESS_COPY)
print " Modifying copy-on-write memory map."
m[:] = "d" * mapsize
verify(m[:] == "d" * mapsize, "Copy-on-write memory map data not written correctly.")
m.flush()
verify(open(TESTFN, "rb").read() == "c" * mapsize, "Copy-on-write test data file should not be modified.")
try:
print " Ensuring copy-on-write maps cannot be resized."
m.resize(2 * mapsize)
except TypeError:
pass
else:
verify(0, "Copy-on-write mmap resize did not raise exception.")
del m, f
try:
print " Ensuring invalid access parameter raises exception."
f = open(TESTFN, "r+b")
m = mmap.mmap(f.fileno(), mapsize, access=4)
except ValueError:
pass
else:
verify(0, "Invalid access code should have raised exception.")
if os.name == "posix":
# Try incompatible flags, prot and access parameters.
f = open(TESTFN, "r+b")
try:
m = mmap.mmap(
f.fileno(), mapsize, flags=mmap.MAP_PRIVATE, prot=mmap.PROT_READ, access=mmap.ACCESS_WRITE
)
except ValueError:
pass
else:
verify(0, "Incompatible parameters should raise ValueError.")
f.close()
finally:
try:
os.unlink(TESTFN)
except OSError:
pass
# Do a tougher .find() test. SF bug 515943 pointed out that, in 2.2,
# searching for data with embedded \0 bytes didn't work.
f = open(TESTFN, "w+")
try: # unlink TESTFN no matter what
data = "aabaac\x00deef\x00\x00aa\x00"
n = len(data)
f.write(data)
f.flush()
m = mmap.mmap(f.fileno(), n)
f.close()
for start in range(n + 1):
for finish in range(start, n + 1):
slice = data[start:finish]
vereq(m.find(slice), data.find(slice))
vereq(m.find(slice + "x"), -1)
m.close()
finally:
os.unlink(TESTFN)
# make sure a double close doesn't crash on Solaris (Bug# 665913)
f = open(TESTFN, "w+")
try: # unlink TESTFN no matter what
f.write(2 ** 16 * "a") # Arbitrary character
f.close()
f = open(TESTFN)
mf = mmap.mmap(f.fileno(), 2 ** 16, access=mmap.ACCESS_READ)
mf.close()
mf.close()
f.close()
finally:
os.unlink(TESTFN)
print " Test passed"
from test.test_support import verify, vereq, verbose, TestFailed
import sys
module = type(sys)
# An uninitialized module has no __dict__ or __name__, and __doc__ is None
foo = module.__new__(module)
verify(foo.__dict__ is None)
try:
s = foo.__name__
except AttributeError:
pass
else:
raise TestFailed, "__name__ = %s" % repr(s)
vereq(foo.__doc__, module.__doc__)
# Regularly initialized module, no docstring
foo = module("foo")
vereq(foo.__name__, "foo")
vereq(foo.__doc__, None)
vereq(foo.__dict__, {"__name__": "foo", "__doc__": None})
# ASCII docstring
foo = module("foo", "foodoc")
vereq(foo.__name__, "foo")
vereq(foo.__doc__, "foodoc")
vereq(foo.__dict__, {"__name__": "foo", "__doc__": "foodoc"})
# Unicode docstring
foo = module("foo", u"foodoc\u1234")
os.kill(pid, getattr(signal, signame))
print >> sys.__stdout__, " child sent", signame, "to", pid
time.sleep(1)
finally:
os._exit(0)
# Install handlers.
hup = signal.signal(signal.SIGHUP, handlerA)
usr1 = signal.signal(signal.SIGUSR1, handlerB)
usr2 = signal.signal(signal.SIGUSR2, signal.SIG_IGN)
alrm = signal.signal(signal.SIGALRM, signal.default_int_handler)
try:
signal.alarm(MAX_DURATION)
vereq(signal.getsignal(signal.SIGHUP), handlerA)
vereq(signal.getsignal(signal.SIGUSR1), handlerB)
vereq(signal.getsignal(signal.SIGUSR2), signal.SIG_IGN)
vereq(signal.getsignal(signal.SIGALRM), signal.default_int_handler)
# Try to ensure this test exits even if there is some problem with alarm.
# Tru64/Alpha often hangs and is ultimately killed by the buildbot.
fork_pid = force_test_exit()
try:
signal.getsignal(4242)
raise TestFailed('expected ValueError for invalid signal # to '
'getsignal()')
except ValueError:
pass
warnings.filterwarnings("ignore", r"import \*", SyntaxWarning, "<string>")
print "1. simple nesting"
def make_adder(x):
def adder(y):
return x + y
return adder
inc = make_adder(1)
plus10 = make_adder(10)
vereq(inc(1), 2)
vereq(plus10(-2), 8)
print "2. extra nesting"
def make_adder2(x):
def extra(): # check freevars passing through non-use scopes
def adder(y):
return x + y
return adder
return extra()
def test_unpack_from():
test_string = 'abcd01234'
fmt = '4s'
s = struct.Struct(fmt)
for cls in (str, buffer):
data = cls(test_string)
vereq(s.unpack_from(data), ('abcd', ))
vereq(s.unpack_from(data, 2), ('cd01', ))
vereq(s.unpack_from(data, 4), ('0123', ))
for i in xrange(6):
vereq(s.unpack_from(data, i), (data[i:i + 4], ))
for i in xrange(6, len(test_string) + 1):
simple_err(s.unpack_from, data, i)
for cls in (str, buffer):
data = cls(test_string)
vereq(struct.unpack_from(fmt, data), ('abcd', ))
vereq(struct.unpack_from(fmt, data, 2), ('cd01', ))
vereq(struct.unpack_from(fmt, data, 4), ('0123', ))
for i in xrange(6):
vereq(struct.unpack_from(fmt, data, i), (data[i:i + 4], ))
for i in xrange(6, len(test_string) + 1):
simple_err(struct.unpack_from, fmt, data, i)
from test.test_support import vereq
import time
t = time.gmtime()
astuple = tuple(t)
vereq(len(t), len(astuple))
vereq(t, astuple)
# Check that slicing works the same way; at one point, slicing t[i:j] with
# 0 < i < j could produce NULLs in the result.
for i in range(-len(t), len(t)):
for j in range(-len(t), len(t)):
vereq(t[i:j], astuple[i:j])
# Devious code could crash structseqs' contructors
class C:
def __getitem__(self, i):
raise IndexError
def __len__(self):
return 9
try:
repr(time.struct_time(C()))
except:
pass
# XXX more needed
def test_unpack_with_buffer():
# SF bug 1563759: struct.unpack doens't support buffer protocol objects
data = array.array('B', '\x12\x34\x56\x78')
value, = struct.unpack('>I', data)
vereq(value, 0x12345678)
def test_both():
"Test mmap module on Unix systems and Windows"
# Create a file to be mmap'ed.
if os.path.exists(TESTFN):
os.unlink(TESTFN)
f = open(TESTFN, 'w+')
try: # unlink TESTFN no matter what
# Write 2 pages worth of data to the file
f.write('\0'* PAGESIZE)
f.write('foo')
f.write('\0'* (PAGESIZE-3) )
f.flush()
m = mmap.mmap(f.fileno(), 2 * PAGESIZE)
f.close()
# Simple sanity checks
print type(m) # SF bug 128713: segfaulted on Linux
print ' Position of foo:', m.find('foo') / float(PAGESIZE), 'pages'
vereq(m.find('foo'), PAGESIZE)
print ' Length of file:', len(m) / float(PAGESIZE), 'pages'
vereq(len(m), 2*PAGESIZE)
print ' Contents of byte 0:', repr(m[0])
vereq(m[0], '\0')
print ' Contents of first 3 bytes:', repr(m[0:3])
vereq(m[0:3], '\0\0\0')
# Modify the file's content
print "\n Modifying file's content..."
m[0] = '3'
m[PAGESIZE +3: PAGESIZE +3+3] = 'bar'
# Check that the modification worked
print ' Contents of byte 0:', repr(m[0])
vereq(m[0], '3')
print ' Contents of first 3 bytes:', repr(m[0:3])
vereq(m[0:3], '3\0\0')
print ' Contents of second page:', repr(m[PAGESIZE-1 : PAGESIZE + 7])
vereq(m[PAGESIZE-1 : PAGESIZE + 7], '\0foobar\0')
m.flush()
# Test doing a regular expression match in an mmap'ed file
match = re.search('[A-Za-z]+', m)
if match is None:
print ' ERROR: regex match on mmap failed!'
else:
start, end = match.span(0)
length = end - start
print ' Regex match on mmap (page start, length of match):',
print start / float(PAGESIZE), length
vereq(start, PAGESIZE)
vereq(end, PAGESIZE + 6)
# test seeking around (try to overflow the seek implementation)
m.seek(0,0)
print ' Seek to zeroth byte'
vereq(m.tell(), 0)
m.seek(42,1)
print ' Seek to 42nd byte'
vereq(m.tell(), 42)
m.seek(0,2)
print ' Seek to last byte'
vereq(m.tell(), len(m))
print ' Try to seek to negative position...'
try:
m.seek(-1)
except ValueError:
pass
else:
verify(0, 'expected a ValueError but did not get it')
print ' Try to seek beyond end of mmap...'
try:
m.seek(1,2)
except ValueError:
pass
else:
verify(0, 'expected a ValueError but did not get it')
print ' Try to seek to negative position...'
try:
m.seek(-len(m)-1,2)
except ValueError:
pass
else:
verify(0, 'expected a ValueError but did not get it')
# Try resizing map
print ' Attempting resize()'
try:
m.resize(512)
except SystemError:
# resize() not supported
# No messages are printed, since the output of this test suite
# would then be different across platforms.
pass
else:
# resize() is supported
verify(len(m) == 512,
"len(m) is %d, but expecting 512" % (len(m),) )
# Check that we can no longer seek beyond the new size.
try:
m.seek(513,0)
except ValueError:
pass
else:
verify(0, 'Could seek beyond the new size')
# Check that the underlying file is truncated too
# (bug #728515)
f = open(TESTFN)
f.seek(0, 2)
verify(f.tell() == 512, 'Underlying file not truncated')
f.close()
verify(m.size() == 512, 'New size not reflected in file')
m.close()
finally:
try:
f.close()
except OSError:
pass
try:
os.unlink(TESTFN)
except OSError:
pass
# Test for "access" keyword parameter
try:
mapsize = 10
print " Creating", mapsize, "byte test data file."
open(TESTFN, "wb").write("a"*mapsize)
print " Opening mmap with access=ACCESS_READ"
f = open(TESTFN, "rb")
m = mmap.mmap(f.fileno(), mapsize, access=mmap.ACCESS_READ)
verify(m[:] == 'a'*mapsize, "Readonly memory map data incorrect.")
print " Ensuring that readonly mmap can't be slice assigned."
try:
m[:] = 'b'*mapsize
except TypeError:
pass
else:
verify(0, "Able to write to readonly memory map")
print " Ensuring that readonly mmap can't be item assigned."
try:
m[0] = 'b'
except TypeError:
pass
else:
verify(0, "Able to write to readonly memory map")
print " Ensuring that readonly mmap can't be write() to."
try:
m.seek(0,0)
m.write('abc')
except TypeError:
pass
else:
verify(0, "Able to write to readonly memory map")
print " Ensuring that readonly mmap can't be write_byte() to."
try:
m.seek(0,0)
m.write_byte('d')
except TypeError:
pass
else:
verify(0, "Able to write to readonly memory map")
print " Ensuring that readonly mmap can't be resized."
try:
m.resize(2*mapsize)
except SystemError: # resize is not universally supported
pass
except TypeError:
pass
else:
verify(0, "Able to resize readonly memory map")
del m, f
verify(open(TESTFN, "rb").read() == 'a'*mapsize,
"Readonly memory map data file was modified")
print " Opening mmap with size too big"
import sys
f = open(TESTFN, "r+b")
try:
m = mmap.mmap(f.fileno(), mapsize+1)
except ValueError:
# we do not expect a ValueError on Windows
# CAUTION: This also changes the size of the file on disk, and
# later tests assume that the length hasn't changed. We need to
# repair that.
if sys.platform.startswith('win'):
verify(0, "Opening mmap with size+1 should work on Windows.")
else:
# we expect a ValueError on Unix, but not on Windows
if not sys.platform.startswith('win'):
verify(0, "Opening mmap with size+1 should raise ValueError.")
m.close()
f.close()
if sys.platform.startswith('win'):
# Repair damage from the resizing test.
f = open(TESTFN, 'r+b')
f.truncate(mapsize)
f.close()
print " Opening mmap with access=ACCESS_WRITE"
f = open(TESTFN, "r+b")
m = mmap.mmap(f.fileno(), mapsize, access=mmap.ACCESS_WRITE)
print " Modifying write-through memory map."
m[:] = 'c'*mapsize
verify(m[:] == 'c'*mapsize,
"Write-through memory map memory not updated properly.")
m.flush()
m.close()
f.close()
f = open(TESTFN, 'rb')
stuff = f.read()
f.close()
verify(stuff == 'c'*mapsize,
"Write-through memory map data file not updated properly.")
print " Opening mmap with access=ACCESS_COPY"
f = open(TESTFN, "r+b")
m = mmap.mmap(f.fileno(), mapsize, access=mmap.ACCESS_COPY)
print " Modifying copy-on-write memory map."
m[:] = 'd'*mapsize
verify(m[:] == 'd' * mapsize,
"Copy-on-write memory map data not written correctly.")
m.flush()
verify(open(TESTFN, "rb").read() == 'c'*mapsize,
"Copy-on-write test data file should not be modified.")
try:
print " Ensuring copy-on-write maps cannot be resized."
m.resize(2*mapsize)
except TypeError:
pass
else:
verify(0, "Copy-on-write mmap resize did not raise exception.")
del m, f
try:
print " Ensuring invalid access parameter raises exception."
f = open(TESTFN, "r+b")
m = mmap.mmap(f.fileno(), mapsize, access=4)
except ValueError:
pass
else:
verify(0, "Invalid access code should have raised exception.")
if os.name == "posix":
# Try incompatible flags, prot and access parameters.
f = open(TESTFN, "r+b")
try:
m = mmap.mmap(f.fileno(), mapsize, flags=mmap.MAP_PRIVATE,
prot=mmap.PROT_READ, access=mmap.ACCESS_WRITE)
except ValueError:
pass
else:
verify(0, "Incompatible parameters should raise ValueError.")
f.close()
finally:
try:
os.unlink(TESTFN)
except OSError:
pass
print ' Try opening a bad file descriptor...'
try:
mmap.mmap(-2, 4096)
except mmap.error:
pass
else:
verify(0, 'expected a mmap.error but did not get it')
# Do a tougher .find() test. SF bug 515943 pointed out that, in 2.2,
# searching for data with embedded \0 bytes didn't work.
f = open(TESTFN, 'w+')
try: # unlink TESTFN no matter what
data = 'aabaac\x00deef\x00\x00aa\x00'
n = len(data)
f.write(data)
f.flush()
m = mmap.mmap(f.fileno(), n)
f.close()
for start in range(n+1):
for finish in range(start, n+1):
slice = data[start : finish]
vereq(m.find(slice), data.find(slice))
vereq(m.find(slice + 'x'), -1)
m.close()
finally:
os.unlink(TESTFN)
# make sure a double close doesn't crash on Solaris (Bug# 665913)
f = open(TESTFN, 'w+')
try: # unlink TESTFN no matter what
f.write(2**16 * 'a') # Arbitrary character
f.close()
f = open(TESTFN)
mf = mmap.mmap(f.fileno(), 2**16, access=mmap.ACCESS_READ)
mf.close()
mf.close()
f.close()
finally:
os.unlink(TESTFN)
# test mapping of entire file by passing 0 for map length
if hasattr(os, "stat"):
print " Ensuring that passing 0 as map length sets map size to current file size."
f = open(TESTFN, "w+")
try:
f.write(2**16 * 'm') # Arbitrary character
f.close()
f = open(TESTFN, "rb+")
mf = mmap.mmap(f.fileno(), 0)
verify(len(mf) == 2**16, "Map size should equal file size.")
vereq(mf.read(2**16), 2**16 * "m")
mf.close()
f.close()
finally:
os.unlink(TESTFN)
# test mapping of entire file by passing 0 for map length
if hasattr(os, "stat"):
print " Ensuring that passing 0 as map length sets map size to current file size."
f = open(TESTFN, "w+")
try:
f.write(2**16 * 'm') # Arbitrary character
f.close()
f = open(TESTFN, "rb+")
mf = mmap.mmap(f.fileno(), 0)
verify(len(mf) == 2**16, "Map size should equal file size.")
vereq(mf.read(2**16), 2**16 * "m")
mf.close()
f.close()
finally:
os.unlink(TESTFN)
# make move works everywhere (64-bit format problem earlier)
f = open(TESTFN, 'w+')
try: # unlink TESTFN no matter what
f.write("ABCDEabcde") # Arbitrary character
f.flush()
mf = mmap.mmap(f.fileno(), 10)
mf.move(5, 0, 5)
verify(mf[:] == "ABCDEABCDE", "Map move should have duplicated front 5")
mf.close()
f.close()
finally:
os.unlink(TESTFN)
# Test that setting access to PROT_READ gives exception
# rather than crashing
if hasattr(mmap, "PROT_READ"):
try:
mapsize = 10
open(TESTFN, "wb").write("a"*mapsize)
f = open(TESTFN, "rb")
m = mmap.mmap(f.fileno(), mapsize, prot=mmap.PROT_READ)
try:
m.write("foo")
except TypeError:
pass
else:
verify(0, "PROT_READ is not working")
finally:
os.unlink(TESTFN)
def test_both():
"Test mmap module on Unix systems and Windows"
# Create a file to be mmap'ed.
if os.path.exists(TESTFN):
os.unlink(TESTFN)
f = open(TESTFN, 'w+')
try: # unlink TESTFN no matter what
# Write 2 pages worth of data to the file
f.write('\0' * PAGESIZE)
f.write('foo')
f.write('\0' * (PAGESIZE - 3))
f.flush()
m = mmap.mmap(f.fileno(), 2 * PAGESIZE)
f.close()
# Simple sanity checks
print type(m) # SF bug 128713: segfaulted on Linux
print ' Position of foo:', m.find('foo') / float(PAGESIZE), 'pages'
vereq(m.find('foo'), PAGESIZE)
print ' Length of file:', len(m) / float(PAGESIZE), 'pages'
vereq(len(m), 2 * PAGESIZE)
print ' Contents of byte 0:', repr(m[0])
vereq(m[0], '\0')
print ' Contents of first 3 bytes:', repr(m[0:3])
vereq(m[0:3], '\0\0\0')
# Modify the file's content
print "\n Modifying file's content..."
m[0] = '3'
m[PAGESIZE + 3:PAGESIZE + 3 + 3] = 'bar'
# Check that the modification worked
print ' Contents of byte 0:', repr(m[0])
vereq(m[0], '3')
print ' Contents of first 3 bytes:', repr(m[0:3])
vereq(m[0:3], '3\0\0')
print ' Contents of second page:', repr(m[PAGESIZE - 1:PAGESIZE + 7])
vereq(m[PAGESIZE - 1:PAGESIZE + 7], '\0foobar\0')
m.flush()
# Test doing a regular expression match in an mmap'ed file
match = re.search('[A-Za-z]+', m)
if match is None:
print ' ERROR: regex match on mmap failed!'
else:
start, end = match.span(0)
length = end - start
print ' Regex match on mmap (page start, length of match):',
print start / float(PAGESIZE), length
vereq(start, PAGESIZE)
vereq(end, PAGESIZE + 6)
# test seeking around (try to overflow the seek implementation)
m.seek(0, 0)
print ' Seek to zeroth byte'
vereq(m.tell(), 0)
m.seek(42, 1)
print ' Seek to 42nd byte'
vereq(m.tell(), 42)
m.seek(0, 2)
print ' Seek to last byte'
vereq(m.tell(), len(m))
print ' Try to seek to negative position...'
try:
m.seek(-1)
except ValueError:
pass
else:
verify(0, 'expected a ValueError but did not get it')
print ' Try to seek beyond end of mmap...'
try:
m.seek(1, 2)
except ValueError:
pass
else:
verify(0, 'expected a ValueError but did not get it')
print ' Try to seek to negative position...'
try:
m.seek(-len(m) - 1, 2)
except ValueError:
pass
else:
verify(0, 'expected a ValueError but did not get it')
# Try resizing map
print ' Attempting resize()'
try:
m.resize(512)
except SystemError:
# resize() not supported
# No messages are printed, since the output of this test suite
# would then be different across platforms.
pass
else:
# resize() is supported
verify(
len(m) == 512, "len(m) is %d, but expecting 512" % (len(m), ))
# Check that we can no longer seek beyond the new size.
try:
m.seek(513, 0)
except ValueError:
pass
else:
verify(0, 'Could seek beyond the new size')
# Check that the underlying file is truncated too
# (bug #728515)
f = open(TESTFN)
f.seek(0, 2)
verify(f.tell() == 512, 'Underlying file not truncated')
f.close()
verify(m.size() == 512, 'New size not reflected in file')
m.close()
finally:
try:
f.close()
except OSError:
pass
try:
os.unlink(TESTFN)
except OSError:
pass
# Test for "access" keyword parameter
try:
mapsize = 10
print " Creating", mapsize, "byte test data file."
open(TESTFN, "wb").write("a" * mapsize)
print " Opening mmap with access=ACCESS_READ"
f = open(TESTFN, "rb")
m = mmap.mmap(f.fileno(), mapsize, access=mmap.ACCESS_READ)
verify(m[:] == 'a' * mapsize, "Readonly memory map data incorrect.")
print " Ensuring that readonly mmap can't be slice assigned."
try:
m[:] = 'b' * mapsize
except TypeError:
pass
else:
verify(0, "Able to write to readonly memory map")
print " Ensuring that readonly mmap can't be item assigned."
try:
m[0] = 'b'
except TypeError:
pass
else:
verify(0, "Able to write to readonly memory map")
print " Ensuring that readonly mmap can't be write() to."
try:
m.seek(0, 0)
m.write('abc')
except TypeError:
pass
else:
verify(0, "Able to write to readonly memory map")
print " Ensuring that readonly mmap can't be write_byte() to."
try:
m.seek(0, 0)
m.write_byte('d')
except TypeError:
pass
else:
verify(0, "Able to write to readonly memory map")
print " Ensuring that readonly mmap can't be resized."
try:
m.resize(2 * mapsize)
except SystemError: # resize is not universally supported
pass
except TypeError:
pass
else:
verify(0, "Able to resize readonly memory map")
del m, f
verify(
open(TESTFN, "rb").read() == 'a' * mapsize,
"Readonly memory map data file was modified")
print " Opening mmap with size too big"
import sys
f = open(TESTFN, "r+b")
try:
m = mmap.mmap(f.fileno(), mapsize + 1)
except ValueError:
# we do not expect a ValueError on Windows
# CAUTION: This also changes the size of the file on disk, and
# later tests assume that the length hasn't changed. We need to
# repair that.
if sys.platform.startswith('win'):
verify(0, "Opening mmap with size+1 should work on Windows.")
else:
# we expect a ValueError on Unix, but not on Windows
if not sys.platform.startswith('win'):
verify(0, "Opening mmap with size+1 should raise ValueError.")
m.close()
f.close()
if sys.platform.startswith('win'):
# Repair damage from the resizing test.
f = open(TESTFN, 'r+b')
f.truncate(mapsize)
f.close()
print " Opening mmap with access=ACCESS_WRITE"
f = open(TESTFN, "r+b")
m = mmap.mmap(f.fileno(), mapsize, access=mmap.ACCESS_WRITE)
print " Modifying write-through memory map."
m[:] = 'c' * mapsize
verify(m[:] == 'c' * mapsize,
"Write-through memory map memory not updated properly.")
m.flush()
m.close()
f.close()
f = open(TESTFN, 'rb')
stuff = f.read()
f.close()
verify(stuff == 'c' * mapsize,
"Write-through memory map data file not updated properly.")
print " Opening mmap with access=ACCESS_COPY"
f = open(TESTFN, "r+b")
m = mmap.mmap(f.fileno(), mapsize, access=mmap.ACCESS_COPY)
print " Modifying copy-on-write memory map."
m[:] = 'd' * mapsize
verify(m[:] == 'd' * mapsize,
"Copy-on-write memory map data not written correctly.")
m.flush()
verify(
open(TESTFN, "rb").read() == 'c' * mapsize,
"Copy-on-write test data file should not be modified.")
try:
print " Ensuring copy-on-write maps cannot be resized."
m.resize(2 * mapsize)
except TypeError:
pass
else:
verify(0, "Copy-on-write mmap resize did not raise exception.")
del m, f
try:
print " Ensuring invalid access parameter raises exception."
f = open(TESTFN, "r+b")
m = mmap.mmap(f.fileno(), mapsize, access=4)
except ValueError:
pass
else:
verify(0, "Invalid access code should have raised exception.")
if os.name == "posix":
# Try incompatible flags, prot and access parameters.
f = open(TESTFN, "r+b")
try:
m = mmap.mmap(f.fileno(),
mapsize,
flags=mmap.MAP_PRIVATE,
prot=mmap.PROT_READ,
access=mmap.ACCESS_WRITE)
except ValueError:
pass
else:
verify(0, "Incompatible parameters should raise ValueError.")
f.close()
finally:
try:
os.unlink(TESTFN)
except OSError:
pass
print ' Try opening a bad file descriptor...'
try:
mmap.mmap(-2, 4096)
except mmap.error:
pass
else:
verify(0, 'expected a mmap.error but did not get it')
# Do a tougher .find() test. SF bug 515943 pointed out that, in 2.2,
# searching for data with embedded \0 bytes didn't work.
f = open(TESTFN, 'w+')
try: # unlink TESTFN no matter what
data = 'aabaac\x00deef\x00\x00aa\x00'
n = len(data)
f.write(data)
f.flush()
m = mmap.mmap(f.fileno(), n)
f.close()
for start in range(n + 1):
for finish in range(start, n + 1):
slice = data[start:finish]
vereq(m.find(slice), data.find(slice))
vereq(m.find(slice + 'x'), -1)
m.close()
finally:
os.unlink(TESTFN)
# make sure a double close doesn't crash on Solaris (Bug# 665913)
f = open(TESTFN, 'w+')
try: # unlink TESTFN no matter what
f.write(2**16 * 'a') # Arbitrary character
f.close()
f = open(TESTFN)
mf = mmap.mmap(f.fileno(), 2**16, access=mmap.ACCESS_READ)
mf.close()
mf.close()
f.close()
finally:
os.unlink(TESTFN)
# test mapping of entire file by passing 0 for map length
if hasattr(os, "stat"):
print " Ensuring that passing 0 as map length sets map size to current file size."
f = open(TESTFN, "w+")
try:
f.write(2**16 * 'm') # Arbitrary character
f.close()
f = open(TESTFN, "rb+")
mf = mmap.mmap(f.fileno(), 0)
verify(len(mf) == 2**16, "Map size should equal file size.")
vereq(mf.read(2**16), 2**16 * "m")
mf.close()
f.close()
finally:
os.unlink(TESTFN)
# test mapping of entire file by passing 0 for map length
if hasattr(os, "stat"):
print " Ensuring that passing 0 as map length sets map size to current file size."
f = open(TESTFN, "w+")
try:
f.write(2**16 * 'm') # Arbitrary character
f.close()
f = open(TESTFN, "rb+")
mf = mmap.mmap(f.fileno(), 0)
verify(len(mf) == 2**16, "Map size should equal file size.")
vereq(mf.read(2**16), 2**16 * "m")
mf.close()
f.close()
finally:
os.unlink(TESTFN)
# make move works everywhere (64-bit format problem earlier)
f = open(TESTFN, 'w+')
try: # unlink TESTFN no matter what
f.write("ABCDEabcde") # Arbitrary character
f.flush()
mf = mmap.mmap(f.fileno(), 10)
mf.move(5, 0, 5)
verify(mf[:] == "ABCDEABCDE",
"Map move should have duplicated front 5")
mf.close()
f.close()
finally:
os.unlink(TESTFN)
from test.test_support import vereq, TestFailed
def check_conversion(num):
mpz_num = mpz.mpz(num)
vereq(int(mpz_num), num)
vereq(long(mpz_num), num)
vereq(str(mpz_num), 'mpz(%s)' % ` int(num) `)
check_conversion(10)
check_conversion(10L)
# FIXME: should check strings, but I'm not sure it works, this seems odd:
# mpz.mpz('10') == mpz(12337)
vereq(mpz.divm(100, 200, 3), 2)
vereq(mpz.divm(100L, 200, 3), 2)
vereq(mpz.divm(100, 200L, 3), 2)
vereq(mpz.divm(100L, 200L, 3), 2)
vereq(mpz.gcd(100, 200), 100)
vereq(mpz.gcd(100L, 200), 100)
vereq(mpz.gcd(100, 200L), 100)
vereq(mpz.gcd(100L, 200L), 100)
vereq(mpz.gcdext(100, 200), (100, 1, 0))
vereq(mpz.gcdext(100L, 200), (100, 1, 0))
vereq(mpz.gcdext(100, 200L), (100, 1, 0))
vereq(mpz.gcdext(100L, 200L), (100, 1, 0))
vereq(mpz.powm(100, 0, 3), 1)