From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:45:59 +0200
Subject: Adding upstream version 16.2.11+ds.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/boost/libs/hana/test/detail/unpack_flatten.cpp | 114 +++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 src/boost/libs/hana/test/detail/unpack_flatten.cpp

(limited to 'src/boost/libs/hana/test/detail/unpack_flatten.cpp')

diff --git a/src/boost/libs/hana/test/detail/unpack_flatten.cpp b/src/boost/libs/hana/test/detail/unpack_flatten.cpp
new file mode 100644
index 000000000..d6002c964
--- /dev/null
+++ b/src/boost/libs/hana/test/detail/unpack_flatten.cpp
@@ -0,0 +1,114 @@
+// 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/unpack_flatten.hpp>
+#include <boost/hana/equal.hpp>
+#include <boost/hana/tuple.hpp>
+
+#include <laws/base.hpp>
+namespace hana = boost::hana;
+using hana::test::ct_eq;
+
+
+int main() {
+    constexpr auto f = hana::test::_injection<0>{};
+
+    {
+        auto tuples = hana::make_tuple();
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::detail::unpack_flatten(tuples, f),
+            f()
+        ));
+    }
+
+    {
+        auto tuples = hana::make_tuple(hana::make_tuple());
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::detail::unpack_flatten(tuples, f),
+            f()
+        ));
+    }
+
+    {
+        auto tuples = hana::make_tuple(hana::make_tuple(), hana::make_tuple());
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::detail::unpack_flatten(tuples, f),
+            f()
+        ));
+    }
+
+    {
+        auto tuples = hana::make_tuple(hana::make_tuple(),
+                                       hana::make_tuple(),
+                                       hana::make_tuple());
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::detail::unpack_flatten(tuples, f),
+            f()
+        ));
+    }
+
+    {
+        auto tuples = hana::make_tuple(hana::make_tuple(ct_eq<0>{}));
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::detail::unpack_flatten(tuples, f),
+            f(ct_eq<0>{})
+        ));
+    }
+
+    {
+        auto tuples = hana::make_tuple(hana::make_tuple(ct_eq<0>{}, ct_eq<1>{}));
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::detail::unpack_flatten(tuples, f),
+            f(ct_eq<0>{}, ct_eq<1>{})
+        ));
+    }
+
+    {
+        auto tuples = hana::make_tuple(hana::make_tuple(),
+                                       hana::make_tuple(ct_eq<0>{}));
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::detail::unpack_flatten(tuples, f),
+            f(ct_eq<0>{})
+        ));
+    }
+
+    {
+        auto tuples = hana::make_tuple(hana::make_tuple(),
+                                       hana::make_tuple(ct_eq<0>{}, ct_eq<1>{}));
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::detail::unpack_flatten(tuples, f),
+            f(ct_eq<0>{}, ct_eq<1>{})
+        ));
+    }
+
+    {
+        auto tuples = hana::make_tuple(hana::make_tuple(ct_eq<0>{}),
+                                       hana::make_tuple(ct_eq<1>{}));
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::detail::unpack_flatten(tuples, f),
+            f(ct_eq<0>{}, ct_eq<1>{})
+        ));
+    }
+
+    {
+        auto tuples = hana::make_tuple(hana::make_tuple(ct_eq<0>{}),
+                                       hana::make_tuple(ct_eq<1>{}),
+                                       hana::make_tuple(ct_eq<2>{}));
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::detail::unpack_flatten(tuples, f),
+            f(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{})
+        ));
+    }
+
+    {
+        auto tuples = hana::make_tuple(hana::make_tuple(ct_eq<0>{}),
+                                       hana::make_tuple(ct_eq<1>{}),
+                                       hana::make_tuple(ct_eq<2>{}, ct_eq<3>{}));
+        BOOST_HANA_CONSTANT_CHECK(hana::equal(
+            hana::detail::unpack_flatten(tuples, f),
+            f(ct_eq<0>{}, ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{})
+        ));
+    }
+}
-- 
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