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
110
111
|
/**
* Copyright (C) 2018-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 <limits>
#include "mongo/s/chunk_version.h"
#include "mongo/s/chunk_version_gen.h"
#include "mongo/unittest/unittest.h"
namespace mongo {
namespace {
TEST(ChunkVersionTest, EqualityOperators) {
OID epoch = OID::gen();
Timestamp timestamp = Timestamp(1);
ASSERT_EQ(ChunkVersion(3, 1, epoch, Timestamp(1, 1)),
ChunkVersion(3, 1, epoch, Timestamp(1, 1)));
ASSERT_EQ(ChunkVersion(3, 1, OID(), timestamp), ChunkVersion(3, 1, OID(), timestamp));
ASSERT_NE(ChunkVersion(3, 1, epoch, timestamp), ChunkVersion(3, 1, OID(), Timestamp(1, 1)));
ASSERT_NE(ChunkVersion(3, 1, OID(), Timestamp(1, 1)), ChunkVersion(3, 1, epoch, timestamp));
ASSERT_NE(ChunkVersion(4, 2, epoch, timestamp), ChunkVersion(4, 1, epoch, timestamp));
}
TEST(ChunkVersionTest, OlderThan) {
OID epoch = OID::gen();
Timestamp timestamp(1);
Timestamp newerTimestamp(2);
ASSERT(ChunkVersion(3, 1, epoch, timestamp).isOlderThan(ChunkVersion(4, 1, epoch, timestamp)));
ASSERT(!ChunkVersion(4, 1, epoch, timestamp).isOlderThan(ChunkVersion(3, 1, epoch, timestamp)));
ASSERT(ChunkVersion(3, 1, epoch, timestamp).isOlderThan(ChunkVersion(3, 2, epoch, timestamp)));
ASSERT(!ChunkVersion(3, 2, epoch, timestamp).isOlderThan(ChunkVersion(3, 1, epoch, timestamp)));
ASSERT(ChunkVersion(3, 1, epoch, timestamp)
.isOlderThan(ChunkVersion(3, 1, OID::gen(), newerTimestamp)));
ASSERT(!ChunkVersion(3, 1, epoch, newerTimestamp)
.isOlderThan(ChunkVersion(3, 1, OID::gen(), timestamp)));
ASSERT(!ChunkVersion::UNSHARDED().isOlderThan(ChunkVersion(3, 1, epoch, timestamp)));
ASSERT(!ChunkVersion(3, 1, epoch, timestamp).isOlderThan(ChunkVersion::UNSHARDED()));
}
TEST(ChunkVersionTest, CreateWithLargeValues) {
const uint32_t majorVersion = std::numeric_limits<uint32_t>::max();
const uint32_t minorVersion = std::numeric_limits<uint32_t>::max();
const auto epoch = OID::gen();
ChunkVersion version(majorVersion, minorVersion, epoch, Timestamp(1, 1));
ASSERT_EQ(majorVersion, version.majorVersion());
ASSERT_EQ(minorVersion, version.minorVersion());
ASSERT_EQ(epoch, version.epoch());
ASSERT_EQ(Timestamp(1, 1), version.getTimestamp());
}
TEST(ChunkVersionTest, ThrowsErrorIfOverflowIsAttemptedForMajorVersion) {
const uint32_t majorVersion = std::numeric_limits<uint32_t>::max();
const uint32_t minorVersion = 0;
const auto epoch = OID::gen();
ChunkVersion version(majorVersion, minorVersion, epoch, Timestamp(1, 1));
ASSERT_EQ(majorVersion, version.majorVersion());
ASSERT_EQ(minorVersion, version.minorVersion());
ASSERT_EQ(epoch, version.epoch());
ASSERT_THROWS_CODE(version.incMajor(), DBException, 31180);
}
TEST(ChunkVersionTest, ThrowsErrorIfOverflowIsAttemptedForMinorVersion) {
const uint32_t majorVersion = 0;
const uint32_t minorVersion = std::numeric_limits<uint32_t>::max();
const auto epoch = OID::gen();
ChunkVersion version(majorVersion, minorVersion, epoch, Timestamp(1, 1));
ASSERT_EQ(majorVersion, version.majorVersion());
ASSERT_EQ(minorVersion, version.minorVersion());
ASSERT_EQ(epoch, version.epoch());
ASSERT_THROWS_CODE(version.incMinor(), DBException, 31181);
}
} // namespace
} // namespace mongo
|
