Abseil Common Libraries (C++) (grcp 依赖)
https://abseil.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
93 lines
2.7 KiB
93 lines
2.7 KiB
4 years ago
|
// 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 <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/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
|
||
|
|
|
||
|
|
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;
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
|
||
|
|
std::string MakeString(int length) {
|
||
|
|
std::string s(length, '.');
|
||
|
|
for (int i = 4; i < length; i += 2) {
|
||
|
|
s[i] = '\b';
|
||
|
|
}
|
||
|
|
return s;
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(CordzTest, ConstructSmallStringView) {
|
||
|
|
CordzSamplingIntervalHelper sample_every(1);
|
||
|
|
Cord cord(absl::string_view(MakeString(50)));
|
||
|
|
EXPECT_THAT(cord, HasValidCordzInfoOf(Method::kConstructorString));
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(CordzTest, ConstructLargeStringView) {
|
||
|
|
CordzSamplingIntervalHelper sample_every(1);
|
||
|
|
Cord cord(absl::string_view(MakeString(5000)));
|
||
|
|
EXPECT_THAT(cord, HasValidCordzInfoOf(Method::kConstructorString));
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(CordzTest, CopyConstruct) {
|
||
|
|
CordzSamplingIntervalHelper sample_every(1);
|
||
|
|
Cord src = UnsampledCord(MakeString(5000));
|
||
|
|
Cord cord(src);
|
||
|
|
EXPECT_THAT(cord, HasValidCordzInfoOf(Method::kConstructorCord));
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(CordzTest, AppendLargeCordToEmpty) {
|
||
|
|
CordzSamplingIntervalHelper sample_every(1);
|
||
|
|
Cord cord;
|
||
|
|
Cord src = UnsampledCord(MakeString(5000));
|
||
|
|
cord.Append(src);
|
||
|
|
EXPECT_THAT(cord, HasValidCordzInfoOf(Method::kAppendCord));
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(CordzTest, MoveAppendLargeCordToEmpty) {
|
||
|
|
CordzSamplingIntervalHelper sample_every(1);
|
||
|
|
Cord cord;
|
||
|
|
cord.Append(UnsampledCord(MakeString(5000)));
|
||
|
|
EXPECT_THAT(cord, HasValidCordzInfoOf(Method::kAppendCord));
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace
|
||
|
|
|
||
|
|
ABSL_NAMESPACE_END
|
||
|
|
} // namespace absl
|
||
|
|
|
||
|
|
#endif // ABSL_INTERNAL_CORDZ_ENABLED
|