1 files changed, 42 insertions, 0 deletions
diff --git a/libs/filesystem/test/large_file_support_test.cpp b/libs/filesystem/test/large_file_support_test.cpp
new file mode 100644
index 0000000000..553e09d8ca
--- /dev/null
+++ b/libs/filesystem/test/large_file_support_test.cpp
@@ -0,0 +1,42 @@
+//  Boost large_file_support_test.cpp  ---------------------------------------//
+
+//  Copyright Beman Dawes 2004.
+//  Use, modification, and distribution is subject to 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)
+
+//  See library home page at http://www.boost.org/libs/filesystem
+
+//  See deprecated_test for tests of deprecated features
+#define BOOST_FILESYSTEM_NO_DEPRECATED
+#define BOOST_SYSTEM_NO_DEPRECATED
+
+#include <boost/filesystem/operations.hpp>
+
+#include <boost/config.hpp>
+# if defined( BOOST_NO_STD_WSTRING )
+#   error Configuration not supported: Boost.Filesystem V3 and later requires std::wstring support
+# endif
+
+namespace fs = boost::filesystem;
+
+#include <iostream>
+
+int main()
+{
+  if ( fs::detail::possible_large_file_size_support() )
+  {
+    std::cout << "It appears that file sizes greater that 2 gigabytes are possible\n"
+                 "for this configuration on this platform since the operating system\n"
+                 "does use a large enough integer type to report large file sizes.\n\n"
+                 "Whether or not such support is actually present depends on the OS\n";
+    return 0;
+  }
+  std::cout << "The operating system is using an integer type to report file sizes\n"
+               "that can not represent file sizes greater that 2 gigabytes (31-bits).\n"
+               "Thus the Filesystem Library will not correctly deal with such large\n"
+               "files. If you think that this operatiing system should be able to\n"
+               "support large files, please report the problem to the Boost developers\n"
+               "mailing list.\n";
+  return 1;
+}