Line data    Source code

       1             : // Copyright (c) 2018-2024  Made to Order Software Corp.  All Rights Reserved
       2             : //
       3             : // https://snapwebsites.org/project/snapdev
       4             : // contact@m2osw.com
       5             : //
       6             : // This program is free software: you can redistribute it and/or modify
       7             : // it under the terms of the GNU General Public License as published by
       8             : // the Free Software Foundation, either version 3 of the License, or
       9             : // (at your option) any later version.
      10             : //
      11             : // This program is distributed in the hope that it will be useful,
      12             : // but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             : // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      14             : // GNU General Public License for more details.
      15             : //
      16             : // You should have received a copy of the GNU General Public License
      17             : // along with this program.  If not, see <https://www.gnu.org/licenses/>.
      18             : 
      19             : /** \file
      20             :  * \brief Verify that the memsearch() function works.
      21             :  *
      22             :  * This file implements tests for the memsearch() function.
      23             :  */
      24             : 
      25             : // self
      26             : //
      27             : #include    <snapdev/memsearch.h>
      28             : 
      29             : #include    "catch_main.h"
      30             : 
      31             : 
      32             : // last include
      33             : //
      34             : #include    <snapdev/poison.h>
      35             : 
      36             : 
      37             : 
      38             : 
      39           1 : CATCH_TEST_CASE("memsearch", "[memory]")
      40             : {
      41           1 :     CATCH_START_SECTION("memsearch: verify memory search")
      42             :     {
      43           1 :         char const haystack[] = {
      44             :             0x00, 0x30, 0x18, 0x29, static_cast<char>(0xFF), 0x45, 0x71, static_cast<char>(0xAC),
      45             :             0x10, 0x41, 0x58, 0x33, static_cast<char>(0xEF), static_cast<char>(0xD5), 0x6F, 0x39,
      46             :         };
      47             : 
      48           1 :         char const needle1[] = { 0x18, 0x29, static_cast<char>(0xFF) };
      49           1 :         int pos(snapdev::memsearch(haystack, sizeof(haystack), needle1, sizeof(needle1)));
      50           1 :         CATCH_REQUIRE(pos == 2);
      51           1 :         pos = snapdev::memsearch(needle1, sizeof(needle1), haystack, sizeof(haystack));
      52           1 :         CATCH_REQUIRE(pos == -1);
      53             : 
      54           1 :         char const needle2[] = { 0x11, 0x29, static_cast<char>(0xFF) };
      55           1 :         pos = snapdev::memsearch(haystack, sizeof(haystack), needle2, sizeof(needle2));
      56           1 :         CATCH_REQUIRE(pos == -1);
      57           1 :         pos = snapdev::memsearch(needle2, sizeof(needle2), haystack, sizeof(haystack));
      58           1 :         CATCH_REQUIRE(pos == -1);
      59             : 
      60           1 :         char const needle3[] = { static_cast<char>(0xD5), 0x6F, 0x39 };
      61           1 :         pos = snapdev::memsearch(haystack, sizeof(haystack), needle3, sizeof(needle3));
      62           1 :         CATCH_REQUIRE(pos == 13);
      63           1 :         pos = snapdev::memsearch(needle3, sizeof(needle3), haystack, sizeof(haystack));
      64           1 :         CATCH_REQUIRE(pos == -1);
      65             : 
      66           1 :         pos = snapdev::memsearch(haystack, sizeof(haystack), haystack, sizeof(haystack));
      67           1 :         CATCH_REQUIRE(pos == 0);
      68             :     }
      69           1 :     CATCH_END_SECTION()
      70           1 : }
      71             : 
      72             : 
      73             : 
      74             : // vim: ts=4 sw=4 et