def test_nonopaque_struct():
from re_python_pysrc import ffi
for p in [ffi.new("struct bar_s *", [5, b"foobar"]),
ffi.new("bar_t *", [5, b"foobar"])]:
assert p.x == 5
assert p.a[0] == ord('f')
assert p.a[5] == ord('r')
def test_include_1(self):
from re_py_subsrc import ffi
assert ffi.integer_const('FOOBAR') == -42
assert ffi.integer_const('FOOBAZ') == -43
assert ffi.integer_const('k2') == 121212
lib = ffi.dlopen(self.extmod) # <- a random unrelated library would be fine
assert lib.FOOBAR == -42
assert lib.FOOBAZ == -43
assert lib.k2 == 121212
#
p = ffi.new("bar_t *", [5, b"foobar"])
assert p.a[4] == ord('a')
def test_include_1(self):
self.fix_path()
from re_py_subsrc import ffi
assert ffi.integer_const('FOOBAR') == -42
assert ffi.integer_const('FOOBAZ') == -43
assert ffi.integer_const('k2') == 121212
lib = ffi.dlopen(self.extmod) # <- a random unrelated library would be fine
assert lib.FOOBAR == -42
assert lib.FOOBAZ == -43
assert lib.k2 == 121212
#
p = ffi.new("bar_t *", [5, b"foobar"])
assert p.a[4] == ord('a')
def test_anonymous_union_inside_struct():
# based on issue #357
from re_python_pysrc import ffi
INT = ffi.sizeof("int")
assert ffi.offsetof("struct with_union", "a") == 0
assert ffi.offsetof("struct with_union", "b") == 0
assert ffi.sizeof("struct with_union") == INT
#
assert ffi.offsetof("union with_struct", "a") == 0
assert ffi.offsetof("union with_struct", "b") == INT
assert ffi.sizeof("union with_struct") >= INT + 1
#
assert ffi.sizeof("struct with_struct_with_union") == INT
p = ffi.new("struct with_struct_with_union *")
assert p.cp.x == 0
#
FLOAT = ffi.sizeof("float")
assert ffi.sizeof("struct NVGcolor") == FLOAT * 4
assert ffi.offsetof("struct NVGcolor", "rgba") == 0
assert ffi.offsetof("struct NVGcolor", "r") == 0
assert ffi.offsetof("struct NVGcolor", "g") == FLOAT
assert ffi.offsetof("struct NVGcolor", "b") == FLOAT * 2
assert ffi.offsetof("struct NVGcolor", "a") == FLOAT * 3
def test_include_1():
sub_ffi = FFI()
sub_ffi.cdef("static const int k2 = 121212;")
sub_ffi.include(original_ffi)
assert 'macro FOOBAR' in original_ffi._parser._declarations
assert 'macro FOOBAZ' in original_ffi._parser._declarations
sub_ffi.set_source('re_python_pysrc', None)
sub_ffi.emit_python_code(str(tmpdir.join('_re_include_1.py')))
#
if sys.version_info[:2] >= (3, 3):
import importlib
importlib.invalidate_caches() # issue 197 (but can't reproduce myself)
#
from _re_include_1 import ffi
assert ffi.integer_const('FOOBAR') == -42
assert ffi.integer_const('FOOBAZ') == -43
assert ffi.integer_const('k2') == 121212
lib = ffi.dlopen(extmod) # <- a random unrelated library would be fine
assert lib.FOOBAR == -42
assert lib.FOOBAZ == -43
assert lib.k2 == 121212
#
p = ffi.new("bar_t *", [5, b"foobar"])
assert p.a[4] == ord('a')
def test_selfref(self):
# based on cffi issue #429
self.fix_path()
from re_python_pysrc import ffi
ffi.new("selfref_ptr_t")
def test_selfref():
# based on issue #429
from re_python_pysrc import ffi
ffi.new("selfref_ptr_t")
