From 47af056bea3f6bf14c8b051e68addb5d56f4f11b Mon Sep 17 00:00:00 2001
From: Peter Dimov <pdimov@gmail.com>
Date: Sun, 21 Apr 2024 16:10:47 +0300
Subject: [PATCH] Add test_boost_unordered.cpp, test_std_unordered.cpp

---
 test/Jamfile.v2               |  7 +++++-
 test/test_boost_unordered.cpp | 42 +++++++++++++++++++++++++++++++++++
 test/test_std_unordered.cpp   | 42 +++++++++++++++++++++++++++++++++++
 3 files changed, 90 insertions(+), 1 deletion(-)
 create mode 100644 test/test_boost_unordered.cpp
 create mode 100644 test/test_std_unordered.cpp

diff --git a/test/Jamfile.v2 b/test/Jamfile.v2
index 9fd944f..8138938 100644
--- a/test/Jamfile.v2
+++ b/test/Jamfile.v2
@@ -101,9 +101,14 @@ run test_tagging.cpp ;
 run test_uuid_class.cpp ;
 run test_uuid_in_map.cpp ;
 
-# test hash functions
+# test hashing support
 
 run test_hash.cpp ;
+run test_boost_unordered.cpp ;
+run test_std_unordered.cpp ;
+
+# test hash functions
+
 run test_md5.cpp ;
 run test_md5.cpp : : : <define>BOOST_UUID_COMPAT_PRE_1_71_MD5 : test_md5_pre_1_71_compat ;
 run test_sha1.cpp ;
diff --git a/test/test_boost_unordered.cpp b/test/test_boost_unordered.cpp
new file mode 100644
index 0000000..ebdcf87
--- /dev/null
+++ b/test/test_boost_unordered.cpp
@@ -0,0 +1,42 @@
+// Copyright 2024 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/uuid/uuid.hpp>
+#include <boost/uuid/random_generator.hpp>
+#include <boost/unordered/unordered_flat_set.hpp>
+#include <boost/core/lightweight_test.hpp>
+
+int main()
+{
+    using namespace boost::uuids;
+
+    std::size_t const N = 256;
+
+    {
+        boost::unordered_flat_set<uuid> set;
+
+        random_generator gen;
+
+        for( std::size_t i = 0; i < N; ++i )
+        {
+            set.insert( gen() );
+        }
+
+        BOOST_TEST_EQ( set.size(), N );
+    }
+
+    {
+        boost::unordered_flat_set<uuid> set;
+
+        for( std::size_t i = 0; i < N; ++i )
+        {
+            uuid id = { { static_cast<std::uint8_t>( i ), 0 } };
+            set.insert( id );
+        }
+
+        BOOST_TEST_EQ( set.size(), N );
+    }
+
+    return boost::report_errors();
+}
diff --git a/test/test_std_unordered.cpp b/test/test_std_unordered.cpp
new file mode 100644
index 0000000..bf2c387
--- /dev/null
+++ b/test/test_std_unordered.cpp
@@ -0,0 +1,42 @@
+// Copyright 2024 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/uuid/uuid.hpp>
+#include <boost/uuid/random_generator.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <unordered_set>
+
+int main()
+{
+    using namespace boost::uuids;
+
+    std::size_t const N = 256;
+
+    {
+        std::unordered_set<uuid> set;
+
+        random_generator gen;
+
+        for( std::size_t i = 0; i < N; ++i )
+        {
+            set.insert( gen() );
+        }
+
+        BOOST_TEST_EQ( set.size(), N );
+    }
+
+    {
+        std::unordered_set<uuid> set;
+
+        for( std::size_t i = 0; i < N; ++i )
+        {
+            uuid id = { { static_cast<std::uint8_t>( i ), 0 } };
+            set.insert( id );
+        }
+
+        BOOST_TEST_EQ( set.size(), N );
+    }
+
+    return boost::report_errors();
+}