def test_ifndef_unfulfilled_define_ignored():
f_obj = FakeFile("header.h", ["#define FOO\n", "#ifndef FOO\n",
"#define BAR 1\n",
"#endif\n", "BAR\n"])
expected = "BAR\n"
run_case(f_obj, expected)
def test_unsupported_pragma():
f_obj = FakeFile("header.h", ["#pragma bogus\n"])
with pytest.raises(ParseError) as excinfo:
"".join(preprocess(f_obj))
assert "Unsupported pragma" in str(excinfo.value)
def test_unexpected_macro_gives_parse_error():
f_obj = FakeFile("header.h", ["#something_unsupported foo bar\n"])
with pytest.raises(ParseError):
"".join(preprocess(f_obj))
def test_define_undefine():
f_obj = FakeFile("header.h", ["#define FOO 1\n",
"#undef FOO\n",
"FOO\n"])
expected = "FOO\n"
run_case(f_obj, expected)
def test_define_parens():
f_obj = FakeFile("header.h", ["#define FOO (x)\n",
"FOO\n"])
expected = "(x)\n"
run_case(f_obj, expected)
def test_blank_define():
f_obj = FakeFile("header.h", ["#define FOO\n",
"FOO\n"])
expected = "\n"
run_case(f_obj, expected)
def test_define_indirect__reference():
f_obj = FakeFile("header.h", ["#define x (4 + y)\n",
"#define y (2 * x)\n",
"x\n", "y\n"])
expected = "(4 + (2 * x))\n(2 * (4 + y))\n"
run_case(f_obj, expected)
def test_expand_size_t():
f_obj = FakeFile("header.h", ["__SIZE_TYPE__\n"])
expected = "size_t\n"
run_case(f_obj, expected)