From c65c05c0060209039645f46a19f18fae1e9b6bc4 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Mon, 4 Oct 2021 20:45:10 +0300
Subject: [PATCH] Add sv_copy_test

---
 test/Jamfile.v2       |  1 +
 test/sv_copy_test.cpp | 50 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+)
 create mode 100644 test/sv_copy_test.cpp

diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index 24a5134..6b179e1 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -251,6 +251,7 @@ run sv_types_test.cpp ;
 run sv_construct_test.cpp ;
 run sv_element_access_test.cpp ;
 run sv_modifiers_test.cpp ;
+run sv_copy_test.cpp ;
 
 use-project /boost/core/swap : ./swap ;
 build-project ./swap ;
diff --git a/test/sv_copy_test.cpp b/test/sv_copy_test.cpp
new file mode 100644
index 0000000..710718b
--- /dev/null
+++ b/test/sv_copy_test.cpp
@@ -0,0 +1,50 @@
+// Copyright 2021 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/core/string_view.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <stdexcept>
+#include <cstddef>
+
+int main()
+{
+    {
+        boost::core::string_view sv;
+
+        BOOST_TEST_EQ( sv.copy( 0, 0 ), 0 );
+        BOOST_TEST_EQ( sv.copy( 0, 0, 0 ), 0 );
+        BOOST_TEST_THROWS( sv.copy( 0, 0, 1 ), std::out_of_range );
+        BOOST_TEST_THROWS( sv.copy( 0, 0, boost::core::string_view::npos ), std::out_of_range );
+    }
+
+    {
+        boost::core::string_view sv( "12345" );
+        char buffer[ 8 ] = {};
+
+        BOOST_TEST_EQ( sv.copy( buffer, 0 ), 0 );
+        BOOST_TEST_EQ( buffer[0], 0 );
+
+        BOOST_TEST_EQ( sv.copy( buffer, 0, 0 ), 0 );
+        BOOST_TEST_EQ( buffer[0], 0 );
+
+        BOOST_TEST_EQ( sv.copy( buffer, 0, 1 ), 0 );
+        BOOST_TEST_EQ( buffer[0], 0 );
+
+        BOOST_TEST_THROWS( sv.copy( buffer, 0, boost::core::string_view::npos ), std::out_of_range );
+        BOOST_TEST_EQ( buffer[0], 0 );
+
+        BOOST_TEST_EQ( sv.copy( buffer, 1 ), 1 );
+        BOOST_TEST_EQ( buffer[0], '1' );
+        BOOST_TEST_EQ( buffer[1], 0 );
+
+        BOOST_TEST_EQ( sv.copy( buffer, 1, 1 ), 1 );
+        BOOST_TEST_EQ( buffer[0], '2' );
+        BOOST_TEST_EQ( buffer[1], 0 );
+
+        BOOST_TEST_EQ( sv.copy( buffer, 8 ), 5 );
+        BOOST_TEST_CSTR_EQ( buffer, "12345" );
+    }
+
+    return boost::report_errors();
+}