def test_read_greater_than_pagesize():
f = filepath()
s = os.sysconf("SC_PAGE_SIZE") * 2 + 1
with base.posix_open(f, os.O_RDWR | os.O_CREAT) as fd:
base.random_data(fd, s)
# time.sleep(1)
with base.posix_open(f, os.O_RDONLY) as fd:
assert_equals(s, len(os.read(fd, s)))
def test_read_and_stat_size_field():
f = filepath()
with base.posix_open(f, os.O_RDWR | os.O_CREAT) as fd:
written = base.random_data(fd, random.randint(1024, 8192))
with base.posix_open(f, os.O_RDONLY) as fd:
data = os.read(fd, 8192)
stat = os.fstat(fd)
assert_equals(written, len(data))
assert_equals(written, stat.st_size)
