Initial checkin of Boost.Algorithm searching and clamp code and tests; docs and more Algos coming

[SVN r76388]

test/empty_search_test.cpp

@@ -0,0 +1,83 @@
+/* 
+   Copyright (c) Marshall Clow 2010-2012.
+
+   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 <string>
+
+#include <boost/algorithm/searching/boyer_moore.hpp>
+#include <boost/algorithm/searching/boyer_moore_horspool.hpp>
+#include <boost/algorithm/searching/knuth_morris_pratt.hpp>
+
+#include <boost/test/included/test_exec_monitor.hpp>
+
+int test_main( int argc, char *argv [] )
+{
+    const std::string cs;
+    std::string estr;
+    std::string str ( "abc" );
+    
+//  empty corpus, empty pattern
+    BOOST_CHECK ( 
+        boost::algorithm::boyer_moore_search (
+            cs.begin (), cs.end (), estr.begin (), estr.end ())
+        == cs.begin ()
+        );
+
+    BOOST_CHECK ( 
+        boost::algorithm::boyer_moore_horspool_search (
+            cs.begin (), cs.end (), estr.begin (), estr.end ())
+        == cs.begin ()
+        );
+
+    BOOST_CHECK ( 
+        boost::algorithm::knuth_morris_pratt_search (
+            cs.begin (), cs.end (), estr.begin (), estr.end ())
+        == cs.begin ()
+        );
+
+//  empty corpus, non-empty pattern
+    BOOST_CHECK ( 
+        boost::algorithm::boyer_moore_search (
+            estr.begin (), estr.end (), str.begin (), str.end ())
+        == estr.end ()
+        );
+
+    BOOST_CHECK ( 
+        boost::algorithm::boyer_moore_horspool_search (
+            estr.begin (), estr.end (), str.begin (), str.end ())
+        == estr.end ()
+        );
+
+    BOOST_CHECK ( 
+        boost::algorithm::knuth_morris_pratt_search (
+            estr.begin (), estr.end (), str.begin (), str.end ())
+        == estr.end ()
+        );
+
+//  non-empty corpus, empty pattern
+    BOOST_CHECK ( 
+        boost::algorithm::boyer_moore_search (
+            str.begin (), str.end (), estr.begin (), estr.end ())
+        == str.begin ()
+        );
+
+    BOOST_CHECK ( 
+        boost::algorithm::boyer_moore_horspool_search (
+            str.begin (), str.end (), estr.begin (), estr.end ())
+        == str.begin ()
+        );
+
+    BOOST_CHECK ( 
+        boost::algorithm::knuth_morris_pratt_search (
+            str.begin (), str.end (), estr.begin (), estr.end ())
+        == str.begin ()
+        );
+
+   (void) argv; (void) argc;
+   return 0;
+}