From 843e0f7bb0d1ad5c53f4ccbe8075afd5b2c3562a Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Wed, 28 Dec 2022 17:49:01 +0200
Subject: [PATCH] Add boost::core::detail::lwt_unattended()

---
 include/boost/core/detail/lwt_unattended.hpp | 45 ++++++++++++++++++++
 include/boost/core/lightweight_test.hpp      | 37 +++++++---------
 2 files changed, 61 insertions(+), 21 deletions(-)
 create mode 100644 include/boost/core/detail/lwt_unattended.hpp

diff --git a/include/boost/core/detail/lwt_unattended.hpp b/include/boost/core/detail/lwt_unattended.hpp
new file mode 100644
index 0000000..68cba62
--- /dev/null
+++ b/include/boost/core/detail/lwt_unattended.hpp
@@ -0,0 +1,45 @@
+#ifndef BOOST_CORE_DETAIL_LWT_UNATTENDED_HPP_INCLUDED
+#define BOOST_CORE_DETAIL_LWT_UNATTENDED_HPP_INCLUDED
+
+// Copyright 2014, 2022 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <cstdlib>
+#if defined(_MSC_VER) && defined(_CPPLIB_VER) && defined(_DEBUG)
+# include <crtdbg.h>
+#endif
+
+namespace boost
+{
+namespace core
+{
+namespace detail
+{
+
+// Setup unattended mode by disabling interactive popups on
+// assertion failures
+
+inline void lwt_unattended()
+{
+#if defined(_MSC_VER) && (_MSC_VER > 1310)
+
+    // disable message boxes on assert(), abort()
+    ::_set_abort_behavior( 0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT );
+
+#endif
+
+#if defined(_MSC_VER) && defined(_CPPLIB_VER) && defined(_DEBUG)
+
+    // disable message boxes on iterator debugging violations
+    _CrtSetReportMode( _CRT_ASSERT, _CRTDBG_MODE_FILE );
+    _CrtSetReportFile( _CRT_ASSERT, _CRTDBG_FILE_STDERR );
+
+#endif
+}
+
+} // namespace detail
+} // namespace core
+} // namespace boost
+
+#endif // #ifndef BOOST_CORE_DETAIL_LWT_UNATTENDED_HPP_INCLUDED
diff --git a/include/boost/core/lightweight_test.hpp b/include/boost/core/lightweight_test.hpp
index 37d713d..83f20bc 100644
--- a/include/boost/core/lightweight_test.hpp
+++ b/include/boost/core/lightweight_test.hpp
@@ -22,6 +22,7 @@
 //  http://www.boost.org/LICENSE_1_0.txt
 //
 
+#include <boost/core/detail/lwt_unattended.hpp>
 #include <boost/current_function.hpp>
 #include <boost/config.hpp>
 #include <exception>
@@ -33,10 +34,6 @@
 #include <cstddef>
 #include <cctype>
 
-#if defined(_MSC_VER) && defined(_CPPLIB_VER) && defined(_DEBUG)
-# include <crtdbg.h>
-#endif
-
 //  IDE's like Visual Studio perform better if output goes to std::cout or
 //  some other stream, so allow user to configure output stream:
 #ifndef BOOST_LIGHTWEIGHT_TEST_OSTREAM
@@ -49,38 +46,36 @@ namespace boost
 namespace detail
 {
 
-class test_result {
+class test_result
+{
 public:
-    test_result()
-        : report_(false)
-        , errors_(0) {
-#if defined(_MSC_VER) && (_MSC_VER > 1310)
-        // disable message boxes on assert(), abort()
-        ::_set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
-#endif
-#if defined(_MSC_VER) && defined(_CPPLIB_VER) && defined(_DEBUG)
-        // disable message boxes on iterator debugging violations
-        _CrtSetReportMode( _CRT_ASSERT, _CRTDBG_MODE_FILE );
-        _CrtSetReportFile( _CRT_ASSERT, _CRTDBG_FILE_STDERR );
-#endif
+
+    test_result(): report_( false ), errors_( 0 )
+    {
+        core::detail::lwt_unattended();
     }
 
-    ~test_result() {
-        if (!report_) {
+    ~test_result()
+    {
+        if( !report_ )
+        {
             BOOST_LIGHTWEIGHT_TEST_OSTREAM << "main() should return report_errors()" << std::endl;
             std::abort();
         }
     }
 
-    int& errors() {
+    int& errors()
+    {
         return errors_;
     }
 
-    void done() {
+    void done()
+    {
         report_ = true;
     }
 
 private:
+
     bool report_;
     int errors_;
 };