new file mode 100644
--- /dev/null
+++ b/packages/language/cxx/ustl/current/tests/bvt02.cpp
@@ -0,0 +1,73 @@
+// This file is part of the uSTL library, an STL implementation.
+//
+// Copyright (c) 2005-2009 by Mike Sharov <msharov@users.sourceforge.net>
+// This file is free software, distributed under the MIT License.
+
+#include "stdtest.h"
+
+void WriteCML (const memblock& l)
+{
+    cout.format ("memblock{%zu}: ", l.size());
+    const char* pc = reinterpret_cast<const char*>(l.cdata());
+    size_t nc = l.size();
+    while (nc && pc[nc - 1] == 0)
+	-- nc;
+    cout.write (l.cdata(), nc);
+    cout << endl;
+}
+
+void TestMB (void)
+{
+    char strTest[] = "abcdefghijklmnopqrstuvwxyz";
+    const size_t strTestLen = strlen(strTest);
+    const char* cstrTest = strTest;
+
+    memblock a, b;
+    a.link (strTest, strTestLen);
+    if (a.begin() != strTest)
+	cout << "begin() failed on memblock\n";
+    if (a.begin() + 5 != &strTest[5])
+	cout << "begin() + 5 failed on memblock\n";
+    if (0 != memcmp (a.begin(), strTest, strTestLen))
+	cout << "memcmp failed on memblock\n";
+    WriteCML (a);
+    b.link (cstrTest, strTestLen);
+    if (b.data() != cstrTest)
+	cout << "begin() of const failed on memblock\n";
+    if (b.cmemlink::begin() != cstrTest)
+	cout << "cmemlink::begin() failed on memblock\n";
+    WriteCML (b);
+    if (!(a == b))
+	cout << "operator== failed on memblock\n";
+    b.copy_link();
+    if (b.data() == NULL || b.cdata() == cstrTest)
+	cout << "copy_link failed on memblock\n";
+    if (!(a == b))
+	cout << "copy_link didn't copy\n";
+    b.resize (strTestLen - 2);
+    a = b;
+    if (a.begin() == b.begin())
+	cout << "Assignment does not copy a link\n";
+    a.deallocate();
+    a.resize (strTestLen);
+    a.copy (strTest, strTestLen);
+    WriteCML (a);
+    a.insert (a.begin() + 5, 9);
+    a.fill (a.begin() + 5, "-", 1, 9);
+    WriteCML (a);
+    a.erase (a.begin() + 2, 7);
+    a.fill (a.end() - 7, "=", 1, 7);
+    WriteCML (a);
+    a.fill (a.begin() + 5, "TEST", 4, 3); 
+    WriteCML (a);
+
+    a.resize (26 + 24);
+    a.fill (a.begin() + 26, "-+=", 3, 24 / 3);
+    WriteCML (a);
+    a.resize (0);
+    WriteCML (a);
+    a.resize (strTestLen + strTestLen / 2);
+    WriteCML (a);
+}
+
+StdBvtMain (TestMB)