rlz/lib/crc32_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4 //
   5 // A test for ZLib's checksum function.
   6
   7 #include "rlz/lib/crc32.h"
   8
   9 #include "base/logging.h"
  10 #include "testing/gmock/include/gmock/gmock.h"
  11 #include "testing/gtest/include/gtest/gtest.h"
  12
  13 TEST(Crc32Unittest, ByteTest) {
  14   struct {
  15     const char* data;
  16     int len;
  17     // Externally calculated at http://crc32-checksum.waraxe.us/
  18     int crc;
  19   } kData[] = {
  20     {"Hello"           ,  5, 0xF7D18982},
  21     {"Google"          ,  6, 0x62B0F067},
  22     {""                ,  0, 0x0},
  23     {"One more string.", 16, 0x0CA14970},
  24     {NULL              ,  0, 0x0},
  25   };
  26
  27   for (int i = 0; kData[i].data; i++)
  28     EXPECT_EQ(kData[i].crc,
  29         rlz_lib::Crc32(reinterpret_cast<const unsigned char*>(kData[i].data),
  30                        kData[i].len));
  31 }
  32
  33 TEST(Crc32Unittest, CharTest) {
  34   struct {
  35     const char* data;
  36     // Externally calculated at http://crc32-checksum.waraxe.us/
  37     int crc;
  38   } kData[] = {
  39     {"Hello"           , 0xF7D18982},
  40     {"Google"          , 0x62B0F067},
  41     {""                , 0x0},
  42     {"One more string.", 0x0CA14970},
  43     {"Google\r\n"      , 0x83A3E860},
  44     {NULL              , 0x0},
  45   };
  46
  47   int crc;
  48   for (int i = 0; kData[i].data; i++) {
  49     EXPECT_TRUE(rlz_lib::Crc32(kData[i].data, &crc));
  50     EXPECT_EQ(kData[i].crc, crc);
  51   }
  52 }