Add array_copy_test_cx.cpp

test/Jamfile.v2

@@ -50,6 +50,7 @@ run array_get_test.cpp ;
 #
 
 compile array_init_test_cx.cpp ;
+compile array_copy_test_cx.cpp ;
 compile array_size_test_cx.cpp ;
 
 #

test/array_copy_test_cx.cpp

@@ -0,0 +1,54 @@
+// Copyright 2025 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt)
+
+#include <boost/array.hpp>
+#include <boost/config.hpp>
+#include <boost/config/pragma_message.hpp>
+#include <boost/config/workaround.hpp>
+#include <cstddef>
+
+#if defined(BOOST_NO_CXX11_CONSTEXPR)
+
+BOOST_PRAGMA_MESSAGE("Test skipped because BOOST_NO_CXX11_CONSTEXPR is defined")
+
+#else
+
+#define STATIC_ASSERT(...) static_assert(__VA_ARGS__, #__VA_ARGS__)
+
+template<class T> void test1()
+{
+    constexpr boost::array<T, 2> a1 = {};
+    constexpr boost::array<T, 2> a2 = a1;
+
+    STATIC_ASSERT( a1[0] == a2[0] );
+    STATIC_ASSERT( a1[1] == a2[1] );
+}
+
+template<class T> void test2()
+{
+    constexpr boost::array<T, 3> a1 = {{ 1, 2, 3 }};
+    constexpr boost::array<T, 3> a2 = a1;
+
+    STATIC_ASSERT( a1[0] == a2[0] );
+    STATIC_ASSERT( a1[1] == a2[1] );
+    STATIC_ASSERT( a1[2] == a2[2] );
+}
+
+template<class T> void test3()
+{
+    constexpr boost::array<T, 0> a1 = {};
+    constexpr boost::array<T, 0> a2 = a1;
+
+    (void)a1;
+    (void)a2;
+}
+
+int main()
+{
+    test1<int>();
+    test2<int>();
+    test3<int>();
+}
+
+#endif