Move front tests to their own file.

Author: davidstone

source/containers/CMakeLists.txt

@@ -247,6 +247,7 @@ target_sources(containers_test PRIVATE
 		test/dynamic_array.cpp
 		test/flat_map.cpp
 		test/forward_linked_list.cpp
+		test/front.cpp
 		test/is_container.cpp
 		test/insert.cpp
 		test/lazy_push_back.cpp

source/containers/front.cpp

@@ -11,7 +11,6 @@ module;
 export module containers.front;
 
 import containers.begin_end;
-import containers.c_array;
 import containers.is_empty;
 import containers.range;
 
@@ -22,10 +21,4 @@ export constexpr auto front(range auto && r) -> decltype(auto) {
 	return *containers::begin(OPERATORS_FORWARD(r));
 }
 
-} // namespace containers
-
-constexpr containers::c_array<int, 1> one = {5};
-static_assert(containers::front(one) == 5);
-
-constexpr containers::c_array<int, 3> three = {2, 3, 4};
-static_assert(containers::front(three) == 2);
+} // namespace containers

source/containers/test/front.cpp

@@ -0,0 +1,12 @@
+// Copyright David Stone 2024.
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+export module containers.test.front;
+
+import containers.array;
+import containers.front;
+
+static_assert(containers::front(containers::array({5})) == 5);
+static_assert(containers::front(containers::array({2, 3, 4})) == 2);