test_recompiler.py 文件源码

def test_include_5():
    ffi1 = FFI()
    ffi1.cdef("typedef struct { int x[2]; int y; } *mystruct_p;")
    verify(ffi1, "test_include_5_parent",
           "typedef struct { int x[2]; int y; } *mystruct_p;")
    ffi = FFI()
    ffi.include(ffi1)
    ffi.cdef("mystruct_p ff5(mystruct_p);")
    lib = verify(ffi, "test_include_5",
        "typedef struct {int x[2]; int y; } *mystruct_p; //usually #include\n"
        "mystruct_p ff5(mystruct_p p) { p->x[1] += 42; return p; }")
    assert ffi.alignof(ffi.typeof("mystruct_p").item) == 4
    assert ffi1.typeof("mystruct_p") is ffi.typeof("mystruct_p")
    p = ffi.new("mystruct_p", [[5, 10], -17])
    q = lib.ff5(p)
    assert q == p
    assert p.x[0] == 5
    assert p.x[1] == 52
    assert p.y == -17
    assert ffi.alignof(ffi.typeof(p[0])) == 4