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
7 #include "gtest/gtest.h"
8
9 namespace leveldb {
10
TEST(HASH,SignedUnsignedIssue)11 TEST(HASH, SignedUnsignedIssue) {
12 const uint8_t data1[1] = {0x62};
13 const uint8_t data2[2] = {0xc3, 0x97};
14 const uint8_t data3[3] = {0xe2, 0x99, 0xa5};
15 const uint8_t data4[4] = {0xe1, 0x80, 0xb9, 0x32};
16 const uint8_t data5[48] = {
17 0x01, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
18 0x00, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00,
19 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x18, 0x28, 0x00, 0x00, 0x00,
20 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
21 };
22
23 ASSERT_EQ(Hash(0, 0, 0xbc9f1d34), 0xbc9f1d34);
24 ASSERT_EQ(
25 Hash(reinterpret_cast<const char*>(data1), sizeof(data1), 0xbc9f1d34),
26 0xef1345c4);
27 ASSERT_EQ(
28 Hash(reinterpret_cast<const char*>(data2), sizeof(data2), 0xbc9f1d34),
29 0x5b663814);
30 ASSERT_EQ(
31 Hash(reinterpret_cast<const char*>(data3), sizeof(data3), 0xbc9f1d34),
32 0x323c078f);
33 ASSERT_EQ(
34 Hash(reinterpret_cast<const char*>(data4), sizeof(data4), 0xbc9f1d34),
35 0xed21633a);
36 ASSERT_EQ(
37 Hash(reinterpret_cast<const char*>(data5), sizeof(data5), 0x12345678),
38 0xf333dabb);
39 }
40
41 } // namespace leveldb
42
43