1 files changed, 108 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/detail/struct_macros.cpp b/src/boost/libs/hana/test/detail/struct_macros.cpp
new file mode 100644
index 000000000..71904ac49
--- /dev/null
+++ b/src/boost/libs/hana/test/detail/struct_macros.cpp
@@ -0,0 +1,108 @@
+// Copyright Louis Dionne 2013-2017
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
+
+#include <boost/hana/assert.hpp>
+#include <boost/hana/detail/struct_macros.hpp>
+
+#include <string>
+#include <vector>
+
+
+//////////////////////////////////////////////////////////////////////////////
+// BOOST_HANA_PP_NARG
+//////////////////////////////////////////////////////////////////////////////
+static_assert(BOOST_HANA_PP_NARG(x) == 1, "");
+static_assert(BOOST_HANA_PP_NARG(x, x) == 2, "");
+static_assert(BOOST_HANA_PP_NARG(x, x, x) == 3, "");
+static_assert(BOOST_HANA_PP_NARG(x, x, x, x) == 4, "");
+static_assert(BOOST_HANA_PP_NARG(
+    x, x, x, x, x, x, x, x, x, x,
+    x, x, x, x, x, x, x, x, x, x,
+    x, x, x, x, x, x, x, x, x, x,
+    x, x, x, x, x, x, x, x) == 38, "");
+static_assert(BOOST_HANA_PP_NARG(
+    x, x, x, x, x, x, x, x, x, x,
+    x, x, x, x, x, x, x, x, x, x,
+    x, x, x, x, x, x, x, x, x, x,
+    x, x, x, x, x, x, x, x, x) == 39, "");
+static_assert(BOOST_HANA_PP_NARG(
+    x, x, x, x, x, x, x, x, x, x,
+    x, x, x, x, x, x, x, x, x, x,
+    x, x, x, x, x, x, x, x, x, x,
+    x, x, x, x, x, x, x, x, x, x) == 40, "");
+
+
+//////////////////////////////////////////////////////////////////////////////
+// BOOST_HANA_PP_BACK
+//////////////////////////////////////////////////////////////////////////////
+static_assert(BOOST_HANA_PP_BACK(1) == 1, "");
+static_assert(BOOST_HANA_PP_BACK(1, 2) == 2, "");
+static_assert(BOOST_HANA_PP_BACK(1, 2, 3) == 3, "");
+static_assert(BOOST_HANA_PP_BACK(1, 2, 3, 4) == 4, "");
+
+static_assert(BOOST_HANA_PP_BACK(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) == 39, "");
+
+static_assert(BOOST_HANA_PP_BACK(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) == 38, "");
+
+static_assert(BOOST_HANA_PP_BACK(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) == 40, "");
+
+
+int main() {
+    using Vector = std::vector<int>;
+
+    //////////////////////////////////////////////////////////////////////////
+    // BOOST_HANA_PP_DROP_BACK
+    //////////////////////////////////////////////////////////////////////////
+    {
+        Vector args = {BOOST_HANA_PP_DROP_BACK(1)};
+        BOOST_HANA_RUNTIME_CHECK(args.empty());
+    }{
+        Vector args = {BOOST_HANA_PP_DROP_BACK(1, 2)};
+        BOOST_HANA_RUNTIME_CHECK(args == Vector{1});
+    }{
+        Vector args = {BOOST_HANA_PP_DROP_BACK(1, 2, 3)};
+        BOOST_HANA_RUNTIME_CHECK(args == Vector{1, 2});
+    }{
+        Vector args = {BOOST_HANA_PP_DROP_BACK(1, 2, 3, 4)};
+        BOOST_HANA_RUNTIME_CHECK(args == Vector{1, 2, 3});
+    }{
+        Vector args = {BOOST_HANA_PP_DROP_BACK(1, 2, 3, 4, 5)};
+        BOOST_HANA_RUNTIME_CHECK(args == Vector{1, 2, 3, 4});
+    }{
+        Vector args = {BOOST_HANA_PP_DROP_BACK(
+             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
+        )};
+        BOOST_HANA_RUNTIME_CHECK(args == Vector{
+             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
+        });
+    }{
+        Vector args = {BOOST_HANA_PP_DROP_BACK(
+             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
+        )};
+        BOOST_HANA_RUNTIME_CHECK(args == Vector{
+             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
+        });
+    }
+}