File: concurrent_tree_unit_test.h

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/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
#ident "$Id$"
/*
COPYING CONDITIONS NOTICE:

  This program is free software; you can redistribute it and/or modify
  it under the terms of version 2 of the GNU General Public License as
  published by the Free Software Foundation, and provided that the
  following conditions are met:

      * Redistributions of source code must retain this COPYING
        CONDITIONS NOTICE, the COPYRIGHT NOTICE (below), the
        DISCLAIMER (below), the UNIVERSITY PATENT NOTICE (below), the
        PATENT MARKING NOTICE (below), and the PATENT RIGHTS
        GRANT (below).

      * Redistributions in binary form must reproduce this COPYING
        CONDITIONS NOTICE, the COPYRIGHT NOTICE (below), the
        DISCLAIMER (below), the UNIVERSITY PATENT NOTICE (below), the
        PATENT MARKING NOTICE (below), and the PATENT RIGHTS
        GRANT (below) in the documentation and/or other materials
        provided with the distribution.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  02110-1301, USA.

COPYRIGHT NOTICE:

  TokuFT, Tokutek Fractal Tree Indexing Library.
  Copyright (C) 2007-2013 Tokutek, Inc.

DISCLAIMER:

  This program is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  General Public License for more details.

UNIVERSITY PATENT NOTICE:

  The technology is licensed by the Massachusetts Institute of
  Technology, Rutgers State University of New Jersey, and the Research
  Foundation of State University of New York at Stony Brook under
  United States of America Serial No. 11/760379 and to the patents
  and/or patent applications resulting from it.

PATENT MARKING NOTICE:

  This software is covered by US Patent No. 8,185,551.
  This software is covered by US Patent No. 8,489,638.

PATENT RIGHTS GRANT:

  "THIS IMPLEMENTATION" means the copyrightable works distributed by
  Tokutek as part of the Fractal Tree project.

  "PATENT CLAIMS" means the claims of patents that are owned or
  licensable by Tokutek, both currently or in the future; and that in
  the absence of this license would be infringed by THIS
  IMPLEMENTATION or by using or running THIS IMPLEMENTATION.

  "PATENT CHALLENGE" shall mean a challenge to the validity,
  patentability, enforceability and/or non-infringement of any of the
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  Tokutek hereby grants to you, for the term and geographical scope of
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  irrevocable (except as stated in this section) patent license to
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  otherwise run, modify, and propagate the contents of THIS
  IMPLEMENTATION, where such license applies only to the PATENT
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  THIS IMPLEMENTATION constitutes direct or contributory patent
  infringement, or inducement of patent infringement, then any rights
  granted to you under this License shall terminate as of the date
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*/

#pragma once

#ident "Copyright (c) 2007-2013 Tokutek Inc.  All rights reserved."
#ident "The technology is licensed by the Massachusetts Institute of Technology, Rutgers State University of New Jersey, and the Research Foundation of State University of New York at Stony Brook under United States of America Serial No. 11/760379 and to the patents and/or patent applications resulting from it."

#include "test.h"

#include <concurrent_tree.h>

namespace toku {

class concurrent_tree_unit_test {
public:
    // creating a concurrent tree should initialize it to a valid,
    // empty state. the root node should be properly marked, have
    // no children, and the correct comparator.
    void test_create_destroy(void);

    // acquiring a locked keyrange should lock and "root" itself at
    // the proper subtree node. releasing it should unlock that node.
    void test_lkr_acquire_release(void);

    // remove_all on a locked keyrange should properly remove everything
    // from the tree and account correctly for the amount of memory released.
    void test_lkr_remove_all(void);

    // test that insert/remove work properly together, confirming
    // whether keys exist using iterate()
    void test_lkr_insert_remove(void);

    // test that the concurrent tree can survive many serial inserts
    // this is a blackbox test for tree rotations.
    void test_lkr_insert_serial_large(void);

private:

    // populate the given concurrent tree with elements from min..max but
    // starting with a certain element. this allows the caller to modestly
    // control the way the tree is built/rotated, for test variability.
    static void populate_tree(concurrent_tree *tree, uint64_t start, uint64_t min, uint64_t max) {
        concurrent_tree::locked_keyrange lkr;
        lkr.prepare(tree);
        lkr.acquire(keyrange::get_infinite_range());

        for (uint64_t i = start; i <= max; i++) {
            keyrange range;
            range.create(get_dbt(i), get_dbt(i));
            lkr.insert(range, i);
        }
        for (uint64_t i = min; i < start; i++) {
            keyrange range;
            range.create(get_dbt(i), get_dbt(i));
            lkr.insert(range, i);
        }

        lkr.release();
    }
};

} /* namespace toku */