test_verify.py 文件源码

def test_errno_working_even_with_pypys_jit():
    ffi = FFI()
    ffi.cdef("int f(int);")
    lib = ffi.verify("""
        #include <errno.h>
        int f(int x) { return (errno = errno + x); }
    """)
    @_run_in_multiple_threads
    def test1():
        ffi.errno = 0
        for i in range(10000):
            e = lib.f(1)
            assert e == i + 1
            assert ffi.errno == e
        for i in range(10000):
            ffi.errno = i
            e = lib.f(42)
            assert e == i + 42