Tests for join algorihtm added

[SVN r32917]

string/test/Jamfile

@@ -57,6 +57,14 @@ DEPENDS all : test ;
                 std::facet-support
                 : split
             ]
+          [ run
+                join_test.cpp
+              : :
+                :
+                std::locale-support
+                std::facet-support
+                : join
+            ]
           [ run 
                 replace_test.cpp
               : :

string/test/Jamfile.v2

@@ -40,6 +40,12 @@ test-suite algorithm/string
             :
             : split
         ]
+      [ run
+            join_test.cpp
+          : :
+            :
+            : join
+        ]
       [ run 
             replace_test.cpp
           : :

string/test/join_test.cpp

@@ -0,0 +1,79 @@
+//  Boost string_algo library iterator_test.cpp file  ---------------------------//
+
+//  Copyright Pavol Droba 2002-2003. Use, modification and
+//  distribution is subject to 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)
+
+//  See http://www.boost.org for updates, documentation, and revision history.
+
+#include <boost/algorithm/string/join.hpp>
+#include <boost/algorithm/string/classification.hpp>
+// equals predicate is used for result comparison
+#include <boost/algorithm/string/predicate.hpp>
+
+// Include unit test framework
+#include <boost/test/included/test_exec_monitor.hpp>
+
+#include <string>
+#include <vector>
+#include <iostream>
+
+#include <boost/test/test_tools.hpp>
+
+
+using namespace std;
+using namespace boost;
+
+bool is_not_empty(const std::string& str)
+{
+    return !str.empty();
+}
+
+void join_test()
+{
+    // Prepare inputs
+    vector<string> tokens1;
+    tokens1.push_back("xx");
+    tokens1.push_back("abc");
+    tokens1.push_back("xx");
+
+    vector<string> tokens2;
+    tokens2.push_back("");
+    tokens2.push_back("xx");
+    tokens2.push_back("abc");
+    tokens2.push_back("");
+    tokens2.push_back("abc");
+    tokens2.push_back("xx");
+    tokens2.push_back("");
+
+    vector<string> tokens3;
+    tokens3.push_back("");
+    tokens3.push_back("");
+    tokens3.push_back("");
+
+    vector<string> empty_tokens;
+
+    vector<vector<int> > vtokens;
+    for(unsigned int n=0; n<tokens2.size(); ++n)
+    {
+        vtokens.push_back(vector<int>(tokens2[n].begin(), tokens2[n].end()));
+    }
+
+    BOOST_CHECK( equals(join(tokens1, "-"), "xx-abc-xx") );
+    BOOST_CHECK( equals(join(tokens2, "-"), "-xx-abc--abc-xx-") );
+    BOOST_CHECK( equals(join(vtokens, "-"), "-xx-abc--abc-xx-") );
+    BOOST_CHECK( equals(join(empty_tokens, "-"), "") );
+
+    BOOST_CHECK( equals(join_if(tokens2, "-", is_not_empty), "xx-abc-abc-xx") );
+    BOOST_CHECK( equals(join_if(empty_tokens, "-", is_not_empty), "") );
+    BOOST_CHECK( equals(join_if(tokens3, "-", is_not_empty), "") );
+}
+
+// test main 
+int test_main( int, char*[] )
+{
+    join_test();
+    
+    return 0;
+}