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Added variadic version of BOOST_PP_EMPTY and added new is_empty tests.

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This commit is contained in:
Edward Diener
2014-04-28 22:12:08 -04:00
parent 975c39b910
commit 2c7cf9410a
3 changed files with 45 additions and 8 deletions
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40
test/isempty.cxx
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@ -22,13 +22,43 @@
#define OBJECT2
#define FUNC(x) FUNC2(x)
#define FUNC2(x)
#define FUNC_GEN3() anything
#define FUNC_GEN4(x) anything
#define FUNC_GEN() ()
#define FUNC_GEN2(x) ()
#define FUNC_GEN3() (&)
#define FUNC_GEN4(x) (y)
#define FUNC_GEN5() (y,z)
#define FUNC_GEN6() anything
#define FUNC_GEN7(x) anything
#if defined(BOOST_PP_VARIADICS_MSVC)
#define FUNC_GEN8(x,y) (1,2,3)
#define FUNC_GEN9(x,y,z) anything
/* These next five produce the wrong result in VC++ */
BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN) == 1 END
BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN2) == 1 END
BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN3) == 1 END
BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN4) == 1 END
BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN5) == 1 END
/* This next should produce a compiler error but does not, and produces the incorrect result */
BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN8) == 1 END
/* This next should produce a compiler error but does not */
BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN9) == 0 END
#else
BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN) == 0 END
BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN2) == 0 END
BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN3) == 0 END
BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN4) == 0 END
BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN5) == 0 END
#endif
BEGIN BOOST_PP_IS_EMPTY(BOOST_PP_EMPTY()) == 1 END
@ -36,7 +66,7 @@ BEGIN BOOST_PP_IS_EMPTY(DATA BOOST_PP_EMPTY()) == 1 END
BEGIN BOOST_PP_IS_EMPTY(x BOOST_PP_EMPTY()) == 0 END
BEGIN BOOST_PP_IS_EMPTY(OBJECT BOOST_PP_EMPTY()) == 1 END
BEGIN BOOST_PP_IS_EMPTY(FUNC(z) BOOST_PP_EMPTY()) == 1 END
BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN3) == 0 END
BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN4) == 0 END
BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN6) == 0 END
BEGIN BOOST_PP_IS_EMPTY(FUNC_GEN7) == 0 END
#endif