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
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
// Copyright 2021 The Abseil Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <cstdint>
#include <string>
#include "gmock/gmock.h"
#include "gtest/gtest.h"
#include "absl/base/config.h"
#include "absl/base/internal/raw_logging.h"
#include "absl/base/macros.h"
#include "absl/strings/cord.h"
#include "absl/strings/cord_test_helpers.h"
#include "absl/strings/cordz_test_helpers.h"
#include "absl/strings/internal/cordz_functions.h"
#include "absl/strings/internal/cordz_info.h"
#include "absl/strings/internal/cordz_sample_token.h"
#include "absl/strings/internal/cordz_statistics.h"
#include "absl/strings/internal/cordz_update_tracker.h"
#include "absl/strings/str_cat.h"
#include "absl/strings/string_view.h"
#ifdef ABSL_INTERNAL_CORDZ_ENABLED
using testing::Eq;
namespace absl {
ABSL_NAMESPACE_BEGIN
using cord_internal::CordzInfo;
using cord_internal::CordzSampleToken;
using cord_internal::CordzStatistics;
using cord_internal::CordzUpdateTracker;
using Method = CordzUpdateTracker::MethodIdentifier;
// Do not print cord contents, we only care about 'size' perhaps.
// Note that this method must be inside the named namespace.
inline void PrintTo(const Cord& cord, std::ostream* s) {
if (s) *s << "Cord[" << cord.size() << "]";
}
namespace {
// Returns a string_view value of the specified length
// We do this to avoid 'consuming' large strings in Cord by default.
absl::string_view MakeString(size_t size) {
thread_local std::string str;
str = std::string(size, '.');
return str;
}
absl::string_view MakeString(TestCordSize size) {
return MakeString(Length(size));
}
std::string TestParamToString(::testing::TestParamInfo<TestCordSize> size) {
return absl::StrCat("On", ToString(size.param), "Cord");
}
class CordzUpdateTest : public testing::TestWithParam<TestCordSize> {
public:
Cord& cord() { return cord_; }
Method InitialOr(Method method) const {
return (GetParam() > TestCordSize::kInlined) ? Method::kConstructorString
: method;
}
private:
CordzSamplingIntervalHelper sample_every_{1};
Cord cord_{MakeString(GetParam())};
};
INSTANTIATE_TEST_SUITE_P(WithParam, CordzUpdateTest,
testing::Values(TestCordSize::kEmpty,
TestCordSize::kInlined,
TestCordSize::kLarge),
TestParamToString);
TEST(CordzTest, ConstructSmallString) {
CordzSamplingIntervalHelper sample_every{1};
Cord cord(MakeString(TestCordSize::kSmall));
EXPECT_THAT(cord, HasValidCordzInfoOf(Method::kConstructorString));
}
TEST(CordzTest, ConstructLargeString) {
CordzSamplingIntervalHelper sample_every{1};
Cord cord(MakeString(TestCordSize::kLarge));
EXPECT_THAT(cord, HasValidCordzInfoOf(Method::kConstructorString));
}
TEST(CordzTest, CopyConstruct) {
CordzSamplingIntervalHelper sample_every{1};
Cord src = UnsampledCord(MakeString(TestCordSize::kLarge));
Cord cord(src);
EXPECT_THAT(cord, HasValidCordzInfoOf(Method::kConstructorCord));
}
TEST(CordzTest, MoveConstruct) {
CordzSamplingIntervalHelper sample_every{1};
Cord src(MakeString(TestCordSize::kLarge));
Cord cord(std::move(src));
EXPECT_THAT(cord, HasValidCordzInfoOf(Method::kConstructorString));
}
TEST_P(CordzUpdateTest, AssignCord) {
Cord src = UnsampledCord(MakeString(TestCordSize::kLarge));
cord() = src;
EXPECT_THAT(cord(), HasValidCordzInfoOf(InitialOr(Method::kAssignCord)));
}
TEST(CordzTest, AssignInlinedCord) {
CordzSampleToken token;
CordzSamplingIntervalHelper sample_every{1};
Cord cord(MakeString(TestCordSize::kLarge));
const CordzInfo* info = GetCordzInfoForTesting(cord);
Cord src = UnsampledCord(MakeString(TestCordSize::kInlined));
cord = src;
EXPECT_THAT(GetCordzInfoForTesting(cord), Eq(nullptr));
EXPECT_FALSE(CordzInfoIsListed(info));
}
TEST(CordzTest, MoveAssignCord) {
CordzSamplingIntervalHelper sample_every{1};
Cord cord;
Cord src(MakeString(TestCordSize::kLarge));
cord = std::move(src);
EXPECT_THAT(cord, HasValidCordzInfoOf(Method::kConstructorString));
}
TEST_P(CordzUpdateTest, AppendCord) {
Cord src = UnsampledCord(MakeString(TestCordSize::kLarge));
cord().Append(src);
EXPECT_THAT(cord(), HasValidCordzInfoOf(InitialOr(Method::kAppendCord)));
}
TEST_P(CordzUpdateTest, MoveAppendCord) {
cord().Append(UnsampledCord(MakeString(TestCordSize::kLarge)));
EXPECT_THAT(cord(), HasValidCordzInfoOf(InitialOr(Method::kAppendCord)));
}
TEST_P(CordzUpdateTest, PrependCord) {
Cord src = UnsampledCord(MakeString(TestCordSize::kLarge));
cord().Prepend(src);
EXPECT_THAT(cord(), HasValidCordzInfoOf(InitialOr(Method::kPrependCord)));
}
TEST_P(CordzUpdateTest, AppendSmallArray) {
cord().Append(MakeString(TestCordSize::kSmall));
EXPECT_THAT(cord(), HasValidCordzInfoOf(InitialOr(Method::kAppendString)));
}
TEST_P(CordzUpdateTest, AppendLargeArray) {
cord().Append(MakeString(TestCordSize::kLarge));
EXPECT_THAT(cord(), HasValidCordzInfoOf(InitialOr(Method::kAppendString)));
}
} // namespace
ABSL_NAMESPACE_END
} // namespace absl
#endif // ABSL_INTERNAL_CORDZ_ENABLED
|
