diff --git a/test/array.cxx b/test/array.cxx
index ae3a275..a764077 100644
--- a/test/array.cxx
+++ b/test/array.cxx
@@ -21,6 +21,7 @@
 # include <boost/preprocessor/variadic/elem.hpp>
 # endif
 
+# define ARRAY_EMPTY (0, ())
 # define ARRAY (3, (0, 1, 2))
 # define ARRAY_LARGE (33, (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32))
 # define ARRAY_VERY_LARGE (64, (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63))
@@ -124,15 +125,19 @@ BEGIN BOOST_PP_ARRAY_ELEM(55, BOOST_PP_ARRAY_POP_FRONT(ARRAY_VERY_LARGE)) == 56
 
 BEGIN BOOST_PP_ARRAY_SIZE(BOOST_PP_ARRAY_PUSH_BACK(ARRAY, 3)) == 4 END
 BEGIN BOOST_PP_ARRAY_SIZE(BOOST_PP_ARRAY_PUSH_BACK(ARRAY_LARGE, 33)) == 34 END
+BEGIN BOOST_PP_ARRAY_SIZE(BOOST_PP_ARRAY_PUSH_BACK(ARRAY_EMPTY, 10)) == 1 END
 BEGIN BOOST_PP_ARRAY_ELEM(0, BOOST_PP_ARRAY_PUSH_BACK(ARRAY, 3)) == 0 END
 BEGIN BOOST_PP_ARRAY_ELEM(33, BOOST_PP_ARRAY_PUSH_BACK(ARRAY_LARGE, 33)) == 33 END
+BEGIN BOOST_PP_ARRAY_ELEM(0, BOOST_PP_ARRAY_PUSH_BACK(ARRAY_EMPTY, 136)) == 136 END
 
 // push_front
 
 BEGIN BOOST_PP_ARRAY_SIZE(BOOST_PP_ARRAY_PUSH_FRONT(ARRAY, 555)) == 4 END
 BEGIN BOOST_PP_ARRAY_SIZE(BOOST_PP_ARRAY_PUSH_FRONT(ARRAY_LARGE, 666)) == 34 END
+BEGIN BOOST_PP_ARRAY_SIZE(BOOST_PP_ARRAY_PUSH_FRONT(ARRAY_EMPTY, 10)) == 1 END
 BEGIN BOOST_PP_ARRAY_ELEM(0, BOOST_PP_ARRAY_PUSH_FRONT(ARRAY, 555)) == 555 END
 BEGIN BOOST_PP_ARRAY_ELEM(33, BOOST_PP_ARRAY_PUSH_FRONT(ARRAY_LARGE, 33)) == 32 END
+BEGIN BOOST_PP_ARRAY_ELEM(0, BOOST_PP_ARRAY_PUSH_FRONT(ARRAY_EMPTY, 136)) == 136 END
 
 // remove
 
diff --git a/test/list.cxx b/test/list.cxx
index db6c432..2f16086 100644
--- a/test/list.cxx
+++ b/test/list.cxx
@@ -19,6 +19,7 @@
 # include <boost/preprocessor/list.hpp>
 # include <boost/preprocessor/tuple/elem.hpp>
 # include <boost/preprocessor/array/elem.hpp>
+# include <boost/preprocessor/array/size.hpp>
 # include <boost/preprocessor/seq/elem.hpp>
 # include <boost/preprocessor/variadic/elem.hpp>
 # include <libs/preprocessor/test/test.h>
@@ -77,4 +78,5 @@ BEGIN BOOST_PP_LIST_FOR_EACH_PRODUCT(F2, 2, ( (1, (0, BOOST_PP_NIL)), (2, (3, BO
 BEGIN BOOST_PP_LIST_CAT(BOOST_PP_LIST_FOLD_LEFT(BOOST_PP_LIST_APPEND_D, BOOST_PP_NIL, LL)) == 0x0a1b2c3d END
 
 BEGIN BOOST_PP_ARRAY_ELEM(2, BOOST_PP_LIST_TO_ARRAY(LIST)) == 5 END
+BEGIN BOOST_PP_ARRAY_SIZE(BOOST_PP_LIST_TO_ARRAY(LISTNIL)) == 0 END
 BEGIN BOOST_PP_SEQ_ELEM(3, BOOST_PP_LIST_TO_SEQ(LIST)) == 2 END
diff --git a/test/seq.cxx b/test/seq.cxx
index c64085d..b73ea99 100644
--- a/test/seq.cxx
+++ b/test/seq.cxx
@@ -16,6 +16,7 @@
 # include <boost/preprocessor/comparison/equal.hpp>
 # include <boost/preprocessor/comparison/less.hpp>
 # include <boost/preprocessor/control/iif.hpp>
+# include <boost/preprocessor/facilities/is_empty.hpp>
 # include <boost/preprocessor/seq.hpp>
 # include <boost/preprocessor/array/elem.hpp>
 # include <boost/preprocessor/tuple/elem.hpp>
@@ -23,6 +24,7 @@
 # include <boost/preprocessor/variadic/elem.hpp>
 # include <libs/preprocessor/test/test.h>
 
+# define SEQ_NONE ()
 # define SEQ (4)(1)(5)(2)
 # define SEQVAR (4,5,8,3,61)(1,0)(5,22,43)(2)(17,45,33)
 
@@ -98,6 +100,7 @@ BEGIN BOOST_PP_SEQ_CAT(BOOST_PP_SEQ_TAIL(BOOST_PP_SEQ_FOLD_LEFT(SEQ_APPEND, (~),
 BEGIN BOOST_PP_SEQ_SIZE(BOOST_PP_SEQ_TAIL(BOOST_PP_SEQ_FOLD_LEFT(SEQ_APPEND, (~), LL))) == 9 END
 
 BEGIN BOOST_PP_LIST_AT(BOOST_PP_SEQ_TO_LIST(SEQ), 2) == 5 END
+BEGIN BOOST_PP_IS_EMPTY(BOOST_PP_LIST_AT(BOOST_PP_SEQ_TO_LIST(SEQ_NONE),0)) == 1 END
 
 #if BOOST_PP_VARIADICS
 
diff --git a/test/tuple.cxx b/test/tuple.cxx
index c315509..9187ff5 100644
--- a/test/tuple.cxx
+++ b/test/tuple.cxx
@@ -17,6 +17,7 @@
 # include <boost/preprocessor/array/elem.hpp>
 # include <boost/preprocessor/list/at.hpp>
 # include <boost/preprocessor/seq/elem.hpp>
+# include <boost/preprocessor/facilities/is_empty.hpp>
 # if BOOST_PP_VARIADICS
 # include <boost/preprocessor/variadic/size.hpp>
 # include <boost/preprocessor/variadic/elem.hpp>
@@ -25,6 +26,7 @@
 # include <libs/preprocessor/test/tuple_elem_bug_test.cxx>
 
 # define TUPLE (0, 1, 2, 3, 4, 5)
+# define TUPLE_NONE ()
 # define TUPLE_LARGE (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
 # define TUPLE_VERY_LARGE (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63)
 # define T2 (+3, /2, +6)
@@ -47,6 +49,7 @@
 
 // elem
 
+BEGIN BOOST_PP_IS_EMPTY(BOOST_PP_TUPLE_ELEM(1, 0, TUPLE_NONE)) == 1 END
 BEGIN BOOST_PP_TUPLE_ELEM(6, 3, TUPLE) == 3 END
 BEGIN BOOST_PP_TUPLE_ELEM(6, 5, TUPLE) == 5 END
 BEGIN BOOST_PP_TUPLE_ELEM(33, 15, TUPLE_LARGE) == 15 END
@@ -92,6 +95,7 @@ BEGIN BOOST_PP_SEQ_ELEM(55,BOOST_PP_TUPLE_TO_SEQ(64,TUPLE_VERY_LARGE)) == 55 END
 
 // elem
 
+BEGIN BOOST_PP_IS_EMPTY(BOOST_PP_TUPLE_ELEM(0, TUPLE_NONE)) == 1 END
 BEGIN BOOST_PP_TUPLE_ELEM(3, TUPLE) == 3 END
 BEGIN BOOST_PP_TUPLE_ELEM(5, TUPLE) == 5 END
 BEGIN BOOST_PP_TUPLE_ELEM(15, TUPLE_LARGE) == 15 END
@@ -161,7 +165,7 @@ BEGIN BOOST_PP_TUPLE_ELEM(33, BOOST_PP_TUPLE_PUSH_FRONT(TUPLE_LARGE, 33)) == 32
 
 // rem
 
-#if BOOST_PP_VARIADICS_MSVC && _MSC_VER == 1400
+#if BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400
 
 BEGIN BOOST_PP_VARIADIC_SIZE(BOOST_PP_TUPLE_REM(6)(0, 1, 2, 3, 4, 5)) == 6 END
 BEGIN BOOST_PP_VARIADIC_SIZE(BOOST_PP_TUPLE_REM(33)(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)) == 33 END
@@ -169,6 +173,12 @@ BEGIN BOOST_PP_VARIADIC_SIZE(BOOST_PP_TUPLE_REM(64)(0, 1, 2, 3, 4, 5, 6, 7, 8, 9
 
 #else
 
+#if BOOST_PP_VARIADICS_MSVC
+BEGIN BOOST_PP_IS_EMPTY(BOOST_PP_TUPLE_REM_CAT() TUPLE_NONE) == 1 END
+#else
+BEGIN BOOST_PP_IS_EMPTY(BOOST_PP_TUPLE_REM() TUPLE_NONE) == 1 END
+#endif
+
 BEGIN BOOST_PP_VARIADIC_SIZE(BOOST_PP_TUPLE_REM()(0, 1, 2, 3, 4, 5)) == 6 END
 BEGIN BOOST_PP_VARIADIC_SIZE(BOOST_PP_TUPLE_REM()(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)) == 33 END
 BEGIN BOOST_PP_VARIADIC_SIZE(BOOST_PP_TUPLE_REM()(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63)) == 64 END
@@ -177,6 +187,7 @@ BEGIN BOOST_PP_VARIADIC_SIZE(BOOST_PP_TUPLE_REM()(0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
 
 // rem_ctor
 
+BEGIN BOOST_PP_VARIADIC_SIZE(BOOST_PP_TUPLE_REM_CTOR(TUPLE_NONE)) == 1 END
 BEGIN BOOST_PP_VARIADIC_SIZE(BOOST_PP_TUPLE_REM_CTOR(TUPLE)) == 6 END
 BEGIN BOOST_PP_VARIADIC_SIZE(BOOST_PP_TUPLE_REM_CTOR(TUPLE_LARGE)) == 33 END
 BEGIN BOOST_PP_VARIADIC_SIZE(BOOST_PP_TUPLE_REM_CTOR(TUPLE_VERY_LARGE)) == 64 END