hash_test.cc raw

   1  // Copyright (c) 2011 The LevelDB 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. See the AUTHORS file for names of contributors.
   4  
   5  #include "util/hash.h"
   6  #include "util/testharness.h"
   7  
   8  namespace leveldb {
   9  
  10  class HASH {};
  11  
  12  TEST(HASH, SignedUnsignedIssue) {
  13    const uint8_t data1[1] = {0x62};
  14    const uint8_t data2[2] = {0xc3, 0x97};
  15    const uint8_t data3[3] = {0xe2, 0x99, 0xa5};
  16    const uint8_t data4[4] = {0xe1, 0x80, 0xb9, 0x32};
  17    const uint8_t data5[48] = {
  18        0x01, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  19        0x00, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00,
  20        0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x18, 0x28, 0x00, 0x00, 0x00,
  21        0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  22    };
  23  
  24    ASSERT_EQ(Hash(0, 0, 0xbc9f1d34), 0xbc9f1d34);
  25    ASSERT_EQ(
  26        Hash(reinterpret_cast<const char*>(data1), sizeof(data1), 0xbc9f1d34),
  27        0xef1345c4);
  28    ASSERT_EQ(
  29        Hash(reinterpret_cast<const char*>(data2), sizeof(data2), 0xbc9f1d34),
  30        0x5b663814);
  31    ASSERT_EQ(
  32        Hash(reinterpret_cast<const char*>(data3), sizeof(data3), 0xbc9f1d34),
  33        0x323c078f);
  34    ASSERT_EQ(
  35        Hash(reinterpret_cast<const char*>(data4), sizeof(data4), 0xbc9f1d34),
  36        0xed21633a);
  37    ASSERT_EQ(
  38        Hash(reinterpret_cast<const char*>(data5), sizeof(data5), 0x12345678),
  39        0xf333dabb);
  40  }
  41  
  42  }  // namespace leveldb
  43  
  44  int main(int argc, char** argv) { return leveldb::test::RunAllTests(); }
  45