1 files changed, 62 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/detail/variadic/take.cpp b/src/boost/libs/hana/test/detail/variadic/take.cpp
new file mode 100644
index 00000000..031c6bae
--- /dev/null
+++ b/src/boost/libs/hana/test/detail/variadic/take.cpp
@@ -0,0 +1,62 @@
+// 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/detail/variadic/take.hpp>
+
+#include <boost/hana/assert.hpp>
+#include <boost/hana/equal.hpp>
+
+#include <laws/base.hpp>
+namespace hana = boost::hana;
+namespace vd = hana::detail::variadic;
+using hana::test::ct_eq;
+
+
+int main() {
+    hana::test::_injection<0> f{};
+
+    {
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            vd::take<0>()(f),
+            f()
+        ));
+
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            vd::take<0>(ct_eq<1>{})(f),
+            f()
+        ));
+
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            vd::take<0>(ct_eq<1>{}, ct_eq<2>{})(f),
+            f()
+        ));
+    }
+    {
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            vd::take<1>(ct_eq<1>{})(f),
+            f(ct_eq<1>{})
+        ));
+
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            vd::take<1>(ct_eq<1>{}, ct_eq<2>{})(f),
+            f(ct_eq<1>{})
+        ));
+
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            vd::take<1>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})(f),
+            f(ct_eq<1>{})
+        ));
+    }
+    {
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            vd::take<8>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{})(f),
+            f(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{})
+        ));
+
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            vd::take<8>(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{}, ct_eq<9>{})(f),
+            f(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}, ct_eq<5>{}, ct_eq<6>{}, ct_eq<7>{}, ct_eq<8>{})
+        ));
+    }
+}