def test_simple():
ffi = FFI(backend=FakeBackend())
ffi.cdef("double sin(double x);")
m = ffi.load("m")
func = m.sin # should be a callable on real backends
assert func.name == 'sin'
assert func.BType == '<func (<double>), <double>, False>'
def test_simple():
ffi = FFI(backend=FakeBackend())
ffi.cdef("double sin(double x);")
m = ffi.load("m")
func = m.sin # should be a callable on real backends
assert func.name == 'sin'
assert func.BType == '<func (<double>), <double>, False>'
def test_sin(self):
ffi = FFI(backend=self.Backend())
ffi.cdef("""
double sin(double x);
""")
m = ffi.load("m")
x = m.sin(1.23)
assert x == math.sin(1.23)
def test_sin(self):
ffi = FFI(backend=self.Backend())
ffi.cdef("""
double sin(double x);
""")
m = ffi.load("m")
x = m.sin(1.23)
assert x == math.sin(1.23)
def test_getting_errno(self):
ffi = FFI(backend=self.Backend())
ffi.cdef("""
int test_getting_errno(void);
""")
ownlib = ffi.load(self.module)
res = ownlib.test_getting_errno()
assert res == -1
assert ffi.C.errno == 123
def test_getting_errno(self):
ffi = FFI(backend=self.Backend())
ffi.cdef("""
int test_getting_errno(void);
""")
ownlib = ffi.load(self.module)
res = ownlib.test_getting_errno()
assert res == -1
assert ffi.C.errno == 123
def test_sinf(self):
ffi = FFI(backend=self.Backend())
ffi.cdef("""
float sinf(float x);
""")
m = ffi.load("m")
x = m.sinf(1.23)
assert type(x) is float
assert x != math.sin(1.23) # rounding effects
assert abs(x - math.sin(1.23)) < 1E-6
def test_sinf(self):
ffi = FFI(backend=self.Backend())
ffi.cdef("""
float sinf(float x);
""")
m = ffi.load("m")
x = m.sinf(1.23)
assert type(x) is float
assert x != math.sin(1.23) # rounding effects
assert abs(x - math.sin(1.23)) < 1E-6
def test_setting_errno(self):
if self.Backend is CTypesBackend and '__pypy__' in sys.modules:
py.test.skip("XXX errno issue with ctypes on pypy?")
ffi = FFI(backend=self.Backend())
ffi.cdef("""
int test_setting_errno(void);
""")
ownlib = ffi.load(self.module)
ffi.C.errno = 42
res = ownlib.test_setting_errno()
assert res == 42
assert ffi.C.errno == 42
def test_setting_errno(self):
if self.Backend is CTypesBackend and '__pypy__' in sys.modules:
py.test.skip("XXX errno issue with ctypes on pypy?")
ffi = FFI(backend=self.Backend())
ffi.cdef("""
int test_setting_errno(void);
""")
ownlib = ffi.load(self.module)
ffi.C.errno = 42
res = ownlib.test_setting_errno()
assert res == 42
assert ffi.C.errno == 42
