1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/**
* Copyright (C) 2020-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/s/catalog_cache.h"
#include "mongo/s/chunk_version.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
TEST(ComparableChunkVersionTest, VersionsEqual) {
auto epoch = OID::gen();
const auto version1 =
ComparableChunkVersion::makeComparableChunkVersion(ChunkVersion(1, 0, epoch));
const auto version2 =
ComparableChunkVersion::makeComparableChunkVersion(ChunkVersion(1, 0, epoch));
ASSERT(version1.getVersion() == version2.getVersion());
ASSERT(version1 == version2);
}
TEST(ComparableChunkVersionTest, VersionsEqualAfterCopy) {
ChunkVersion chunkVersion(1, 0, OID::gen());
const auto version1 = ComparableChunkVersion::makeComparableChunkVersion(chunkVersion);
const auto version2 = version1;
ASSERT(version1 == version2);
}
TEST(ComparableChunkVersionTest, CompareVersionDifferentEpochs) {
const auto version1 =
ComparableChunkVersion::makeComparableChunkVersion(ChunkVersion(2, 0, OID::gen()));
const auto version2 =
ComparableChunkVersion::makeComparableChunkVersion(ChunkVersion(1, 0, OID::gen()));
ASSERT(version2 != version1);
ASSERT(version2 > version1);
ASSERT_FALSE(version2 < version1);
}
TEST(ComparableChunkVersionTest, VersionGreaterSameEpochs) {
const auto epoch = OID::gen();
const auto version1 =
ComparableChunkVersion::makeComparableChunkVersion(ChunkVersion(1, 0, epoch));
const auto version2 =
ComparableChunkVersion::makeComparableChunkVersion(ChunkVersion(1, 1, epoch));
const auto version3 =
ComparableChunkVersion::makeComparableChunkVersion(ChunkVersion(2, 0, epoch));
ASSERT(version2 != version1);
ASSERT(version2 > version1);
ASSERT_FALSE(version2 < version1);
ASSERT(version3 != version2);
ASSERT(version3 > version2);
ASSERT_FALSE(version3 < version2);
}
TEST(ComparableChunkVersionTest, VersionLessSameEpoch) {
const auto epoch = OID::gen();
const auto version1 =
ComparableChunkVersion::makeComparableChunkVersion(ChunkVersion(1, 0, epoch));
const auto version2 =
ComparableChunkVersion::makeComparableChunkVersion(ChunkVersion(1, 1, epoch));
const auto version3 =
ComparableChunkVersion::makeComparableChunkVersion(ChunkVersion(2, 0, epoch));
ASSERT(version1 != version2);
ASSERT(version1 < version2);
ASSERT_FALSE(version1 > version2);
ASSERT(version3 != version2);
ASSERT(version2 < version3);
ASSERT_FALSE(version2 > version3);
}
TEST(ComparableChunkVersionTest, DefaultConstructedVersionIsAlwaysLess) {
const ComparableChunkVersion defaultVersion{};
ASSERT_EQ(defaultVersion.getLocalSequenceNum(), 0);
const auto version1 =
ComparableChunkVersion::makeComparableChunkVersion(ChunkVersion(0, 0, OID::gen()));
ASSERT(defaultVersion != version1);
ASSERT(defaultVersion < version1);
ASSERT_FALSE(defaultVersion > version1);
}
} // namespace
} // namespace mongo
|