1 files changed, 84 insertions, 0 deletions
diff --git a/src/boost/libs/hana/test/set/to.cpp b/src/boost/libs/hana/test/set/to.cpp
new file mode 100644
index 00000000..c2cc1a5d
--- /dev/null
+++ b/src/boost/libs/hana/test/set/to.cpp
@@ -0,0 +1,84 @@
+// 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/contains.hpp>
+#include <boost/hana/core/to.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/permutations.hpp>
+#include <boost/hana/set.hpp>
+
+#include <laws/base.hpp>
+#include <support/seq.hpp>
+namespace hana = boost::hana;
+using hana::test::ct_eq;
+
+
+int main() {
+    auto sequence = ::seq;
+    auto foldable = ::seq;
+    using S = ::Seq;
+
+    // Set -> Sequence
+    {
+        auto check = [=](auto ...xs) {
+            BOOST_HANA_CONSTANT_CHECK(hana::contains(
+                hana::permutations(sequence(xs...)),
+                hana::to<S>(hana::make_set(xs...))
+            ));
+        };
+        check();
+        check(ct_eq<1>{});
+        check(ct_eq<1>{}, ct_eq<2>{});
+        check(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{});
+        check(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{});
+    }
+
+    // Foldable -> Set
+    {
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::to<hana::set_tag>(foldable()),
+            hana::make_set()
+        ));
+
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::to<hana::set_tag>(foldable(ct_eq<1>{})),
+            hana::make_set(ct_eq<1>{})
+        ));
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::to<hana::set_tag>(foldable(ct_eq<1>{}, ct_eq<1>{})),
+            hana::make_set(ct_eq<1>{})
+        ));
+
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::to<hana::set_tag>(foldable(ct_eq<1>{}, ct_eq<2>{})),
+            hana::make_set(ct_eq<1>{}, ct_eq<2>{})
+        ));
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::to<hana::set_tag>(foldable(ct_eq<1>{}, ct_eq<2>{}, ct_eq<1>{})),
+            hana::make_set(ct_eq<1>{}, ct_eq<2>{})
+        ));
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::to<hana::set_tag>(foldable(ct_eq<1>{}, ct_eq<2>{}, ct_eq<2>{})),
+            hana::make_set(ct_eq<1>{}, ct_eq<2>{})
+        ));
+
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::to<hana::set_tag>(foldable(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})),
+            hana::make_set(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})
+        ));
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::to<hana::set_tag>(foldable(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{})),
+            hana::make_set(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})
+        ));
+    }
+
+    // to_set == to<set_tag>
+    {
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::to_set(foldable(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{})),
+            hana::to<hana::set_tag>(foldable(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<2>{}, ct_eq<1>{}))
+        ));
+    }
+}