From 58502fddcabfcf6d13cea2dba349dcf710057012 Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Wed, 15 Jun 2022 22:52:56 +0300
Subject: [PATCH] Add hash_container_test.cpp

---
 test/Jamfile.v2              |  2 ++
 test/hash_container_test.cpp | 52 ++++++++++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 test/hash_container_test.cpp

diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index c756e01..f0d7001 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -79,3 +79,5 @@ local fs-path-req = "-<toolset>gcc:<cxxflags>-Wshadow" "-<toolset>gcc:<cxxflags>
 
 run hash_fs_path_test.cpp /boost//filesystem/<warnings>off : : : $(fs-path-req) <toolset>msvc-14.0,<cxxstd>latest:<build>no ;
 run detail_is_range_test2.cpp : : : $(fs-path-req) ;
+
+run hash_container_test.cpp ;
diff --git a/test/hash_container_test.cpp b/test/hash_container_test.cpp
new file mode 100644
index 0000000..f24c3d5
--- /dev/null
+++ b/test/hash_container_test.cpp
@@ -0,0 +1,52 @@
+// Copyright 2022 Peter Dimov.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/container_hash/hash.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/config.hpp>
+#include <vector>
+#include <deque>
+#include <list>
+#if !defined(BOOST_NO_CXX11_HDR_FORWARD_LIST)
+# include <forward_list>
+#endif
+
+template<class T> std::size_t hv( T const& t )
+{
+    return boost::hash<T>()( t );
+}
+
+template<class T> void test()
+{
+    for( std::size_t i = 0; i < 8; ++i )
+    {
+        std::vector<T> v( i );
+        std::size_t h0 = hv( v );
+
+        std::deque<T> d( v.begin(), v.end() );
+        BOOST_TEST_EQ( h0, hv( d ) );
+
+        std::list<T> l( v.begin(), v.end() );
+        BOOST_TEST_EQ( h0, hv( l ) );
+
+#if !defined(BOOST_NO_CXX11_HDR_FORWARD_LIST)
+
+        std::forward_list<T> f( v.begin(), v.end() );
+        BOOST_TEST_EQ( h0, hv( f ) );
+
+#endif
+    }
+}
+
+int main()
+{
+    test<char>();
+    test<unsigned char>();
+    test<signed char>();
+    test<int>();
+    test<float>();
+    test<double>();
+
+    return boost::report_errors();
+}