def test_get_stats(self):
total = 0
count = 0
objs = []
for index in range(5):
size = 1234
obj, source = allocate_bytes(size)
objs.append(obj)
total += size
count += 1
stats = tracemalloc._get_stats()
filename, lineno = source
self.assertEqual(stats[filename][lineno], (total, count))
def test_get_stats(self):
total = 0
count = 0
objs = []
for index in range(5):
size = 1234
obj, source = allocate_bytes(size)
objs.append(obj)
total += size
count += 1
stats = tracemalloc._get_stats()
filename, lineno = source
self.assertEqual(stats[filename][lineno], (total, count))
def test_free_lists(self):
data = None
if sys.version_info < (3,):
# Python 2.x
test_types = (int, unicode, tuple, list, dict, set)
# FIXME: test more types: float, binded method, C function
else:
# Python 3.x
test_types = (tuple, list, dict, set)
for test_type in test_types:
clear_stats()
if test_type in (tuple, list):
length = 10 ** 5
if test_type == tuple:
base = (None,)
else:
base = [None]
filename, lineno = get_source(1)
data = base * length
min_size = MIN_SIZE_PTR * length
elif test_type == dict:
length = 1024
items = [(str(key), key) for key in range(length)]
filename, lineno = get_source(1)
data = dict(items)
min_size = MIN_SIZE_PTR * length
elif test_type == set:
length = 1024
items = tuple(map(str, range(length)))
filename, lineno = get_source(1)
data = set(items)
min_size = MIN_SIZE_PTR * length
elif test_type == unicode:
length = 4 * 1024
filename, lineno = get_source(1)
data = u"\uffff" * length
if hasattr(sys, 'getsizeof'):
min_size = sys.getsizeof(data)
else:
# In narrow mode, Python uses UCS-2: 16-bit per character
min_size = 2 * length
else:
assert test_type == int
# build an integer bigger than 4 KB
pow2 = 1000000
filename, lineno = get_source(1)
data = 2 ** pow2
if hasattr(sys, 'getsizeof'):
min_size = sys.getsizeof(data)
else:
# Python 2.7 on 64-bit system uses 30 bits per digit
ndigits = (pow2 + 1) // 30
# 32 bits per Python digit
min_size = ndigits * 4
stats = tracemalloc._get_stats()
trace = stats[filename][lineno]
self.assertGreaterEqual(trace[0], min_size)
self.assertGreaterEqual(trace[1], 1)
# Deallocate
data = None
stats = tracemalloc._get_stats()
self.assertNotIn(lineno, stats[filename])
def test_free_lists(self):
data = None
if sys.version_info < (3, ):
# Python 2.x
test_types = (int, unicode, tuple, list, dict, set)
# FIXME: test more types: float, binded method, C function
else:
# Python 3.x
test_types = (tuple, list, dict, set)
for test_type in test_types:
clear_stats()
if test_type in (tuple, list):
length = 10**5
if test_type == tuple:
base = (None, )
else:
base = [None]
filename, lineno = get_source(1)
data = base * length
min_size = MIN_SIZE_PTR * length
elif test_type == dict:
length = 1024
items = [(str(key), key) for key in range(length)]
filename, lineno = get_source(1)
data = dict(items)
min_size = MIN_SIZE_PTR * length
elif test_type == set:
length = 1024
items = tuple(map(str, range(length)))
filename, lineno = get_source(1)
data = set(items)
min_size = MIN_SIZE_PTR * length
elif test_type == unicode:
length = 4 * 1024
filename, lineno = get_source(1)
data = u"\uffff" * length
if hasattr(sys, 'getsizeof'):
min_size = sys.getsizeof(data)
else:
# In narrow mode, Python uses UCS-2: 16-bit per character
min_size = 2 * length
else:
assert test_type == int
# build an integer bigger than 4 KB
pow2 = 1000000
filename, lineno = get_source(1)
data = 2**pow2
if hasattr(sys, 'getsizeof'):
min_size = sys.getsizeof(data)
else:
# Python 2.7 on 64-bit system uses 30 bits per digit
ndigits = (pow2 + 1) // 30
# 32 bits per Python digit
min_size = ndigits * 4
stats = tracemalloc._get_stats()
trace = stats[filename][lineno]
self.assertGreaterEqual(trace[0], min_size)
self.assertGreaterEqual(trace[1], 1)
# Deallocate
data = None
stats = tracemalloc._get_stats()
self.assertNotIn(lineno, stats[filename])
