Add array_init_test.cpp

test/array_init_test.cpp

@@ -0,0 +1,70 @@
+// 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/core/lightweight_test.hpp>
+#include <cstddef>
+
+template<class T, std::size_t N> void test1()
+{
+    boost::array<T, N> a = {{}};
+
+    for( std::size_t i = 0; i < N; ++i )
+    {
+        BOOST_TEST_EQ( a[i], T() );
+    }
+}
+
+template<class T, std::size_t N> void test2()
+{
+    boost::array<T, N> a = {};
+
+    for( std::size_t i = 0; i < N; ++i )
+    {
+        BOOST_TEST_EQ( a[i], T() );
+    }
+}
+
+template<class T> void test3()
+{
+    boost::array<T, 4> a = {{ 1, 2, 3, 4 }};
+    T b[ 4 ] = { 1, 2, 3, 4 };
+
+    BOOST_TEST_ALL_EQ( a.begin(), a.end(), b + 0, b + 4 );
+}
+
+template<class T> void test4()
+{
+    boost::array<T, 4> a = { 1, 2, 3, 4 };
+    T b[ 4 ] = { 1, 2, 3, 4 };
+
+    BOOST_TEST_ALL_EQ( a.begin(), a.end(), b + 0, b + 4 );
+}
+
+int main()
+{
+    // test1<int, 0>();
+    test1<int, 1>();
+    test1<int, 7>();
+
+    // test1<int const, 0>();
+    test1<int const, 1>();
+    test1<int const, 7>();
+
+    test2<int, 0>();
+    test2<int, 1>();
+    test2<int, 7>();
+
+    // test2<int const, 0>();
+    test2<int const, 1>();
+    test2<int const, 7>();
+
+    test3<int>();
+    test3<int const>();
+
+    test4<int>();
+    test4<int const>();
+
+    return boost::report_errors();
+}