Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 91 insertions, 0 deletions

diff --git a/src/boost/libs/iterator/test/advance_test.cpp b/src/boost/libs/iterator/test/advance_test.cpp
new file mode 100644
index 00000000..85cd4ac6
--- /dev/null
+++ b/src/boost/libs/iterator/test/advance_test.cpp
@@ -0,0 +1,91 @@
+// Copyright (C) 2017 Michel Morin.
+//
+// Distributed under 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)
+
+#include <vector>
+#include <list>
+#include <boost/container/slist.hpp>
+#include <boost/core/lightweight_test.hpp>
+#include <boost/iterator/advance.hpp>
+#include <boost/iterator/transform_iterator.hpp>
+
+int twice(int x) { return x + x; }
+
+template <typename Iterator>
+void test_advance(Iterator it_from, Iterator it_to, int n)
+{
+    boost::advance(it_from,  n);
+    BOOST_TEST(it_from == it_to);
+}
+
+int main()
+{
+    int array[3] = {1, 2, 3};
+    int* ptr1 = array;
+    int* ptr2 = array + 3;
+
+    {
+        test_advance(ptr1, ptr2,  3);
+        test_advance(ptr2, ptr1, -3);
+
+        test_advance(
+            boost::make_transform_iterator(ptr1, twice)
+          , boost::make_transform_iterator(ptr2, twice)
+          , 3
+        );
+        test_advance(
+            boost::make_transform_iterator(ptr2, twice)
+          , boost::make_transform_iterator(ptr1, twice)
+          , -3
+        );
+    }
+
+    {
+        std::vector<int> ints(ptr1, ptr2);
+        test_advance(ints.begin(), ints.end(),  3);
+        test_advance(ints.end(), ints.begin(), -3);
+
+        test_advance(
+            boost::make_transform_iterator(ints.begin(), twice)
+          , boost::make_transform_iterator(ints.end(), twice)
+          , 3
+        );
+        test_advance(
+            boost::make_transform_iterator(ints.end(), twice)
+          , boost::make_transform_iterator(ints.begin(), twice)
+          , -3
+        );
+    }
+
+    {
+        std::list<int> ints(ptr1, ptr2);
+        test_advance(ints.begin(), ints.end(),  3);
+        test_advance(ints.end(), ints.begin(), -3);
+
+        test_advance(
+            boost::make_transform_iterator(ints.begin(), twice)
+          , boost::make_transform_iterator(ints.end(), twice)
+          , 3
+        );
+        test_advance(
+            boost::make_transform_iterator(ints.end(), twice)
+          , boost::make_transform_iterator(ints.begin(), twice)
+          , -3
+        );
+    }
+
+    {
+        boost::container::slist<int> ints(ptr1, ptr2);
+        test_advance(ints.begin(), ints.end(),  3);
+
+        test_advance(
+            boost::make_transform_iterator(ints.begin(), twice)
+          , boost::make_transform_iterator(ints.end(), twice)
+          , 3
+        );
+    }
+
+    return boost::report_errors();
+}