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#
# ----------------------------------------------
# WARNING, ALL LITERALS IN THIS FILE ARE UNICODE
# ----------------------------------------------
#
from __future__ import unicode_literals
#
#
#
import sys, math
from cffi import FFI
lib_m = "m"
if sys.platform == 'win32':
#there is a small chance this fails on Mingw via environ $CC
import distutils.ccompiler
if distutils.ccompiler.get_default_compiler() == 'msvc':
lib_m = 'msvcrt'
def test_cast():
ffi = FFI()
assert int(ffi.cast("int", 3.14)) == 3 # unicode literal
def test_new():
ffi = FFI()
assert ffi.new("int[]", [3, 4, 5])[2] == 5 # unicode literal
def test_typeof():
ffi = FFI()
tp = ffi.typeof("int[51]") # unicode literal
assert tp.length == 51
def test_sizeof():
ffi = FFI()
assert ffi.sizeof("int[51]") == 51 * 4 # unicode literal
def test_alignof():
ffi = FFI()
assert ffi.alignof("int[51]") == 4 # unicode literal
def test_getctype():
ffi = FFI()
assert ffi.getctype("int**") == "int * *" # unicode literal
assert type(ffi.getctype("int**")) is str
def test_cdef():
ffi = FFI()
ffi.cdef("typedef int foo_t[50];") # unicode literal
def test_offsetof():
ffi = FFI()
ffi.cdef("typedef struct { int x, y; } foo_t;")
assert ffi.offsetof("foo_t", "y") == 4 # unicode literal
def test_enum():
ffi = FFI()
ffi.cdef("enum foo_e { AA, BB, CC };") # unicode literal
x = ffi.cast("enum foo_e", 1)
assert int(ffi.cast("int", x)) == 1
def test_dlopen():
ffi = FFI()
ffi.cdef("double sin(double x);")
m = ffi.dlopen(lib_m) # unicode literal
x = m.sin(1.23)
assert x == math.sin(1.23)
def test_verify():
ffi = FFI()
ffi.cdef("double test_verify_1(double x);") # unicode literal
lib = ffi.verify("double test_verify_1(double x) { return x * 42.0; }")
assert lib.test_verify_1(-1.5) == -63.0
def test_callback():
ffi = FFI()
cb = ffi.callback("int(int)", # unicode literal
lambda x: x + 42)
assert cb(5) == 47
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