xbmc/utils/test/TestCrc32.cpp

   1 /*
   2  *  Copyright (C) 2005-2018 Team Kodi
   3  *  This file is part of Kodi - https://kodi.tv
   4  *
   5  *  SPDX-License-Identifier: GPL-2.0-or-later
   6  *  See LICENSES/README.md for more information.
   7  */
   8
   9 #include "utils/Crc32.h"
  10
  11 #include <gtest/gtest.h>
  12
  13 static const char refdata[] = "abcdefghijklmnopqrstuvwxyz"
  14                               "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
  15                               "01234567890!@#$%^&*()";
  16
  17 TEST(TestCrc32, Compute_1)
  18 {
  19   Crc32 a;
  20   uint32_t varcrc;
  21   a.Compute(refdata, sizeof(refdata) - 1);
  22   varcrc = a;
  23   EXPECT_EQ(0xa4eb60e3, varcrc);
  24 }
  25
  26 TEST(TestCrc32, Compute_2)
  27 {
  28   uint32_t varcrc;
  29   std::string s = refdata;
  30   varcrc = Crc32::Compute(s);
  31   EXPECT_EQ(0xa4eb60e3, varcrc);
  32 }
  33
  34 TEST(TestCrc32, ComputeFromLowerCase)
  35 {
  36   std::string s = refdata;
  37   uint32_t varcrc = Crc32::ComputeFromLowerCase(s);
  38   EXPECT_EQ((uint32_t)0x7f045b3e, varcrc);
  39 }
  40
  41 TEST(TestCrc32, Reset)
  42 {
  43   Crc32 a;
  44   uint32_t varcrc;
  45   std::string s = refdata;
  46   a.Compute(s.c_str(), s.length());
  47   a.Reset();
  48   varcrc = a;
  49   EXPECT_EQ(0xffffffff, varcrc);
  50 }