Imported from /home/lorry/working-area/delta_boost-tarball/boost_1_54_0.tar.bz2.boost_1_54_0baserock/morph

1 files changed, 80 insertions, 0 deletions

diff --git a/libs/algorithm/test/iota_test1.cpp b/libs/algorithm/test/iota_test1.cpp
new file mode 100644
index 000000000..080d3d78b
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+++ b/libs/algorithm/test/iota_test1.cpp
@@ -0,0 +1,80 @@
+/* 
+   Copyright (c) Marshall Clow 2011-2012.
+
+   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)
+
+    For more information, see http://www.boost.org
+*/
+
+#include <boost/config.hpp>
+#include <boost/algorithm/cxx11/iota.hpp>
+
+#define BOOST_TEST_MAIN
+#include <boost/test/unit_test.hpp>
+
+#include <iostream>
+#include <string>
+#include <vector>
+#include <list>
+
+//  Test to make sure a sequence is "correctly formed"; i.e, ascending by one
+template <typename Iterator, typename T>
+bool test_iota_results ( Iterator first, Iterator last, T initial_value ) {
+    if ( first == last ) return true;
+    if ( initial_value != *first ) return false;
+    Iterator prev = first;
+    while ( ++first != last ) {
+        if (( *first - *prev ) != 1 )
+            return false;
+        prev = first;
+        }
+    return true;
+    }
+
+template <typename Range, typename T>
+bool test_iota_results ( const Range &r, T initial_value ) {
+    return test_iota_results (boost::begin (r), boost::end (r), initial_value );
+}
+
+
+void test_ints () {
+    std::vector<int> v;
+    std::list<int> l;
+
+    v.clear (); v.reserve ( 10 );
+    boost::algorithm::iota ( v.begin (), v.end (), 23 );
+    BOOST_CHECK ( test_iota_results ( v.begin (), v.end (), 23 ));
+    
+    v.clear (); v.reserve ( 19 );
+    boost::algorithm::iota ( v, 18 );
+    BOOST_CHECK ( test_iota_results ( v, 18 ));
+    
+    v.clear ();
+    boost::algorithm::iota_n ( std::back_inserter(v), 99, 20 );
+    BOOST_CHECK ( test_iota_results ( v, 99 ));
+    
+/*
+    l.clear (); l.reserve ( 5 );
+    boost::algorithm::iota ( l.begin (), l.end (), 123 );
+    BOOST_CHECK ( test_iota_results ( l.begin (), l.end (), 123 ));
+    
+    l.clear (); l.reserve ( 9 );
+    boost::algorithm::iota ( l.begin (), l.end (), 87 );
+    BOOST_CHECK ( test_iota_results ( l.begin (), l.end (), 87 ));
+*/
+
+    l.clear ();
+    boost::algorithm::iota_n ( std::back_inserter(l), 99, 20 );
+    BOOST_CHECK ( test_iota_results ( l, 99 ));
+    
+    l.clear ();
+    boost::algorithm::iota_n ( std::front_inserter(l), 123, 20 );
+    BOOST_CHECK ( test_iota_results ( l.rbegin (), l.rend (), 123 ));
+    }
+
+
+BOOST_AUTO_TEST_CASE( test_main )
+{
+  test_ints ();
+}