pyodide/packages/cffi/test_cffi.py

18 lines
533 B
Python

from pyodide_test_runner import run_in_pyodide
@run_in_pyodide(packages=["cffi"])
def test_cffi_asprintf():
from cffi import FFI
ffi = FFI()
ffi.cdef(
"""int asprintf(char** buf, const char *format, ...); // copy-pasted from the man page"""
)
C = ffi.dlopen(None) # loads the entire C namespace
buf = ffi.new("char**")
arg1 = ffi.new("char[]", b"wo")
arg2 = ffi.new("char[]", b"ld")
C.asprintf(buf, b"hello %sr%s", arg1, arg2)
assert ffi.string(buf[0]).decode() == "hello world"