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diff --git a/tests/cxx/hybrid/sequences/driver.cxx b/tests/cxx/hybrid/sequences/driver.cxx
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+++ b/tests/cxx/hybrid/sequences/driver.cxx
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+// file      : tests/cxx/hybrid/sequences/driver.cxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2006-2009 Code Synthesis Tools CC
+// license   : GNU GPL v2 + exceptions; see accompanying LICENSE file
+
+// Test sequence templates.
+//
+#include <string>
+#include <cassert>
+
+#include <xsde/cxx/config.hxx>
+
+#ifndef XSDE_STL
+#include <xsde/cxx/strdupx.hxx>
+#endif
+
+#include <xsde/cxx/hybrid/sequence.hxx>
+
+using std::string;
+using namespace xsde::cxx::hybrid;
+
+void data_destructor (void* p, size_t)
+{
+  delete static_cast<string*> (p);
+}
+
+void data_destructor_pos (void* p, size_t i)
+{
+  switch (i)
+  {
+  case 0:
+    {
+      delete static_cast<string*> (p);
+      break;
+    }
+  case 1:
+    {
+      delete static_cast<int*> (p);
+      break;
+    }
+  }
+}
+
+int
+main ()
+{
+  //
+  // pod_seq
+  //
+  typedef pod_seq<int> pod;
+
+  {
+    pod s;
+    s.push_back (111);
+    assert (s.size () == 1 && s[0] == 111);
+    s.pop_back ();
+    assert (s.size () == 0);
+  }
+
+  {
+    pod s;
+    s.push_back (111);
+    s.erase (s.begin ());
+    assert (s.size () == 0);
+
+    s.push_back (111);
+    s.push_back (222);
+    s.push_back (333);
+    s.erase (s.begin ());
+    assert (s.size () == 2 && s[0] == 222 && s[1] == 333);
+
+    s.push_back (444);
+    s.erase (s.begin () + 1);
+    assert (s.size () == 2 && s[0] == 222 && s[1] == 444);
+
+    s.push_back (555);
+    s.erase (s.begin () + 2);
+    assert (s.size () == 2 && s[0] == 222 && s[1] == 444);
+  }
+
+  {
+    pod s;
+    s.reserve (2);
+    s.push_back (111);
+    s.push_back (222);
+    s.push_back (333);
+    assert (s.size () == 3 && s[0] == 111 && s[1] == 222 && s[2] == 333);
+  }
+
+  {
+    pod s;
+    s.insert (s.begin (), 111);
+    assert (s.size () == 1 && s[0] == 111);
+    s.push_back (222);
+    s.push_back (333);
+
+    s.insert (s.begin (), 444);
+    assert (s[0] == 444);
+
+    s.insert (s.begin () + 1, 555);
+    assert (s[1] == 555);
+
+    s.insert (s.end (), 666);
+    assert (s[5] == 666);
+
+    assert (s[0] == 444 && s[1] == 555 && s[2] == 111 &&
+            s[3] == 222 && s[4] == 333 && s[5] == 666);
+  }
+
+  {
+    pod s;
+    s.reserve (2);
+    s.push_back (111);
+    s.push_back (222);
+    s.insert (s.begin () + 1, 333);
+    assert (s[0] == 111 && s[1] == 333 && s[2] == 222);
+  }
+
+  //
+  // fix_seq
+  //
+  typedef fix_seq<string> fix;
+
+  {
+    fix s;
+    s.push_back ("aaa");
+    assert (s.size () == 1 && s[0] == "aaa");
+    s.pop_back ();
+    assert (s.size () == 0);
+  }
+
+  {
+    fix s;
+    s.push_back ("aaa");
+    s.erase (s.begin ());
+    assert (s.size () == 0);
+
+    s.push_back ("aaa");
+    s.push_back ("bbb");
+    s.push_back ("ccc");
+    s.erase (s.begin ());
+    assert (s.size () == 2 && s[0] == "bbb" && s[1] == "ccc");
+
+    s.push_back ("ddd");
+    s.erase (s.begin () + 1);
+    assert (s.size () == 2 && s[0] == "bbb" && s[1] == "ddd");
+
+    s.push_back ("eee");
+    s.erase (s.begin () + 2);
+    assert (s.size () == 2 && s[0] == "bbb" && s[1] == "ddd");
+  }
+
+  {
+    fix s;
+    s.reserve (2);
+    s.push_back ("aaa");
+    s.push_back ("bbb");
+    s.push_back ("ccc");
+    assert (s.size () == 3 && s[0] == "aaa" &&
+            s[1] == "bbb" && s[2] == "ccc");
+  }
+
+  {
+    fix s;
+    s.insert (s.begin (), "aaa");
+    assert (s.size () == 1 && s[0] == "aaa");
+    s.push_back ("bbb");
+    s.push_back ("ccc");
+
+    s.insert (s.begin (), "ddd");
+    assert (s[0] == "ddd");
+
+    s.insert (s.begin () + 1, "eee");
+    assert (s[1] == "eee");
+
+    s.insert (s.end (), "fff");
+    assert (s[5] == "fff");
+
+    assert (s[0] == "ddd" && s[1] == "eee" && s[2] == "aaa" &&
+            s[3] == "bbb" && s[4] == "ccc" && s[5] == "fff");
+  }
+
+  {
+    fix s;
+    s.reserve (2);
+    s.push_back ("aaa");
+    s.push_back ("bbb");
+    s.insert (s.begin () + 1, "ccc");
+    assert (s[0] == "aaa" && s[1] == "ccc" && s[2] == "bbb");
+  }
+
+  //
+  // var_seq
+  //
+  typedef var_seq<string> var;
+
+  {
+    var s;
+    s.push_back (new string ("aaa"));
+    assert (s.size () == 1 && s[0] == "aaa");
+    s.pop_back ();
+    assert (s.size () == 0);
+  }
+
+  {
+    var s;
+    s.push_back (new string ("aaa"));
+    s.erase (s.begin ());
+    assert (s.size () == 0);
+
+    s.push_back (new string ("aaa"));
+    s.push_back (new string ("bbb"));
+    s.push_back (new string ("ccc"));
+    s.erase (s.begin ());
+    assert (s.size () == 2 && s[0] == "bbb" && s[1] == "ccc");
+
+    s.push_back (new string ("ddd"));
+    s.erase (s.begin () + 1);
+    assert (s.size () == 2 && s[0] == "bbb" && s[1] == "ddd");
+
+    s.push_back (new string ("eee"));
+    s.erase (s.begin () + 2);
+    assert (s.size () == 2 && s[0] == "bbb" && s[1] == "ddd");
+  }
+
+  {
+    var s;
+    s.reserve (2);
+    s.push_back (new string ("aaa"));
+    s.push_back (new string ("bbb"));
+    s.push_back (new string ("ccc"));
+    assert (s.size () == 3 && s[0] == "aaa" &&
+            s[1] == "bbb" && s[2] == "ccc");
+  }
+
+  {
+    var s;
+    s.insert (s.begin (), new string ("aaa"));
+    assert (s.size () == 1 && s[0] == "aaa");
+    s.push_back (new string ("bbb"));
+    s.push_back (new string ("ccc"));
+
+    s.insert (s.begin (), new string ("ddd"));
+    assert (s[0] == "ddd");
+
+    s.insert (s.begin () + 1, new string ("eee"));
+    assert (s[1] == "eee");
+
+    s.insert (s.end (), new string ("fff"));
+    assert (s[5] == "fff");
+
+    assert (s[0] == "ddd" && s[1] == "eee" && s[2] == "aaa" &&
+            s[3] == "bbb" && s[4] == "ccc" && s[5] == "fff");
+  }
+
+  {
+    var s;
+    s.reserve (2);
+    s.push_back (new string ("aaa"));
+    s.push_back (new string ("bbb"));
+    s.insert (s.begin () + 1, new string ("ccc"));
+    assert (s[0] == "aaa" && s[1] == "ccc" && s[2] == "bbb");
+  }
+
+  //
+  // str_seq
+  //
+  typedef str_seq str;
+
+#ifndef XSDE_STL
+  using xsde::cxx::strdupx;
+
+  {
+    str s;
+    s.push_back (strdupx ("aaa"));
+    assert (s.size () == 1 && s[0] == string ("aaa"));
+    s.pop_back ();
+    assert (s.size () == 0);
+  }
+
+  {
+    str s;
+    s.push_back_copy ("aaa");
+    s.erase (s.begin ());
+    assert (s.size () == 0);
+
+    s.push_back_copy ("aaa");
+    s.push_back_copy ("bbb");
+    s.push_back_copy ("ccc");
+    s.erase (s.begin ());
+    assert (s.size () == 2 &&
+            s[0] == string ("bbb") && s[1] == string ("ccc"));
+
+    s.push_back_copy ("ddd");
+    s.erase (s.begin () + 1);
+    assert (s.size () == 2 &&
+            s[0] == string ("bbb") && s[1] == string ("ddd"));
+
+    s.push_back_copy ("eee");
+    s.erase (s.begin () + 2);
+    assert (s.size () == 2 &&
+            s[0] == string ("bbb") && s[1] == string ("ddd"));
+  }
+
+  {
+    str s;
+    s.reserve (2);
+    s.push_back_copy ("aaa");
+    s.push_back_copy ("bbb");
+    s.push_back_copy ("ccc");
+    assert (s.size () == 3 &&
+            s[0] == string ("aaa") &&
+            s[1] == string ("bbb") &&
+            s[2] == string ("ccc"));
+  }
+
+  {
+    str s;
+    s.insert (s.begin (), strdupx ("aaa"));
+    assert (s.size () == 1 && s[0] == string ("aaa"));
+    s.push_back_copy ("bbb");
+    s.push_back_copy ("ccc");
+
+    s.insert (s.begin (), strdupx ("ddd"));
+    assert (s[0] == string ("ddd"));
+
+    s.insert (s.begin () + 1, strdupx ("eee"));
+    assert (s[1] == string ("eee"));
+
+    s.insert (s.end (), strdupx ("fff"));
+    assert (s[5] == string ("fff"));
+
+    assert (s[0] == string ("ddd") && s[1] == string ("eee") &&
+            s[2] == string ("aaa") && s[3] == string ("bbb") &&
+            s[4] == string ("ccc") && s[5] == string ("fff"));
+  }
+
+  {
+    str s;
+    s.reserve (2);
+    s.push_back_copy ("aaa");
+    s.push_back_copy ("bbb");
+    s.insert (s.begin () + 1, strdupx ("ccc"));
+    assert (s[0] == string ("aaa") &&
+            s[1] == string ("ccc") &&
+            s[2] == string ("bbb"));
+  }
+
+#else
+
+  {
+    str s;
+    s.push_back ("aaa");
+    assert (s.size () == 1 && s[0] == "aaa");
+    s.pop_back ();
+    assert (s.size () == 0);
+  }
+
+  {
+    str s;
+    s.push_back ("aaa");
+    s.erase (s.begin ());
+    assert (s.size () == 0);
+
+    s.push_back ("aaa");
+    s.push_back ("bbb");
+    s.push_back ("ccc");
+    s.erase (s.begin ());
+    assert (s.size () == 2 && s[0] == "bbb" && s[1] == "ccc");
+
+    s.push_back ("ddd");
+    s.erase (s.begin () + 1);
+    assert (s.size () == 2 && s[0] == "bbb" && s[1] == "ddd");
+
+    s.push_back ("eee");
+    s.erase (s.begin () + 2);
+    assert (s.size () == 2 && s[0] == "bbb" && s[1] == "ddd");
+  }
+
+  {
+    str s;
+    s.reserve (2);
+    s.push_back ("aaa");
+    s.push_back ("bbb");
+    s.push_back ("ccc");
+    assert (s.size () == 3 &&
+            s[0] == "aaa" && s[1] == "bbb" && s[2] == "ccc");
+  }
+
+  {
+    str s;
+    s.insert (s.begin (), "aaa");
+    assert (s.size () == 1 && s[0] == "aaa");
+    s.push_back ("bbb");
+    s.push_back ("ccc");
+
+    s.insert (s.begin (), "ddd");
+    assert (s[0] == "ddd");
+
+    s.insert (s.begin () + 1, "eee");
+    assert (s[1] == "eee");
+
+    s.insert (s.end (), "fff");
+    assert (s[5] == "fff");
+
+    assert (s[0] == "ddd" && s[1] == "eee" && s[2] == "aaa" &&
+            s[3] == "bbb" && s[4] == "ccc" && s[5] == "fff");
+  }
+
+  {
+    str s;
+    s.reserve (2);
+    s.push_back ("aaa");
+    s.push_back ("bbb");
+    s.insert (s.begin () + 1, "ccc");
+    assert (s[0] == "aaa" && s[1] == "ccc" && s[2] == "bbb");
+  }
+#endif
+
+  //
+  // data_seq
+  //
+  typedef data_seq data;
+
+  {
+    data s;
+    s.destructor (&data_destructor);
+    s.push_back (new string ("aaa"));
+    s.push_back (new string ("bbb"));
+    assert (*static_cast<string*> (s[0]) == "aaa" &&
+            *static_cast<string*> (s[1]) == "bbb");
+  }
+
+  {
+    data s;
+    s.destructor (&data_destructor_pos);
+    s.push_back (new string ("aaa"));
+    s.push_back (new int (5));
+    assert (*static_cast<string*> (s[0]) == "aaa" &&
+            *static_cast<int*> (s[1]) == 5);
+  }
+}