tvl-depot/absl/time/internal/test_util.cc
Abseil Team 26b789f9a5 - 07191b0f52301e1e4a790e236f7b7c2fd90561ae Disambiguates computed return type of absl::optional logi... by Abseil Team <absl-team@google.com>
- acd95f8ec4e6ec1587cb198c7f40af3c81094d92 Release container benchmarks. by Alex Strelnikov <strel@google.com>
  - 80f596b6b7c5e06453e778c16527d5a0e85f8413 Allow absl::base_internal::AtomicHook to have a default v... by Derek Mauro <dmauro@google.com>
  - 8402631546af8bcbd4acdf897d0cdfb805ad544a Release thread_identity benchmark. by Alex Strelnikov <strel@google.com>
  - 6dcb1e90fefb8556ce4654983d3a73c7585b4b99 Fix spelling error in variant.h by Abseil Team <absl-team@google.com>
  - faa8a81e1442018c0d400b09a595a5be55074715 Run tests from CMake.  The CI is currently Linux only, fo... by Jon Cohen <cohenjon@google.com>
  - 745ed6db574f931f2ec3a88e964fb03a5f22f816 Internal change. by Derek Mauro <dmauro@google.com>
  - 23facd7d1c5f43ac8181b016ee4acc5955f048c1 absl::variant exception safety test. by Xiaoyi Zhang <zhangxy@google.com>
  - c18e21e7cf8f6e83ae9d90e536e886409dd6cf68 Reinstate the syntax check on time-zone abbreviations now... by Abseil Team <absl-team@google.com>
  - da469f4314f0c820665a2b5b9477af9462b23e42 Import CCTZ changes to internal copy. by Shaindel Schwartz <shaindel@google.com>
  - 44ea35843517be03ab256b69449ccfea64352621 Import CCTZ changes to internal copy. by Abseil Team <absl-team@google.com>
  - 55d1105312687c6093950fac831c7540f49045b5 Import CCTZ changes to internal copy. by Greg Falcon <gfalcon@google.com>
  - 58d7965ad274406410b6d833213eca04d41c6867 Add zoneinfo as a data dependency to the //absl/time tests. by Shaindel Schwartz <shaindel@google.com>
  - 6acc50146f9ff29015bfaaa5bf9900691f839da5 Change benchmark target type from cc_test to cc_binary. by Alex Strelnikov <strel@google.com>
  - db3fbdae8f9f285a466f7a070326b1ce43b6a0dd Update WORKSPACE for C++ microbenchmarks and release algo... by Alex Strelnikov <strel@google.com>
  - 0869ae168255242af651853ed01719166d8cebf6 Update to Bazel version 0.13.0. by Abseil Team <absl-team@google.com>
  - e507dd53ab788964207fdf27d31b72a33c296fab Add missing include of cstdio by Abseil Team <absl-team@google.com>

GitOrigin-RevId: 07191b0f52301e1e4a790e236f7b7c2fd90561ae
Change-Id: I90994cf2b438fbec894724dcd9b90882281eef56
2018-05-04 13:30:42 -04:00

129 lines
3.9 KiB
C++

// Copyright 2017 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
//
// http://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 "absl/time/internal/test_util.h"
#include <algorithm>
#include <cstddef>
#include <cstring>
#include "absl/base/internal/raw_logging.h"
#include "absl/time/internal/cctz/include/cctz/zone_info_source.h"
namespace cctz = absl::time_internal::cctz;
namespace absl {
namespace time_internal {
#if GTEST_USES_SIMPLE_RE
extern const char kZoneAbbrRE[] = ".*"; // just punt
#else
extern const char kZoneAbbrRE[] = "[A-Za-z]{3,4}|[-+][0-9]{2}([0-9]{2})?";
#endif
TimeZone LoadTimeZone(const std::string& name) {
TimeZone tz;
ABSL_RAW_CHECK(LoadTimeZone(name, &tz), name.c_str());
return tz;
}
} // namespace time_internal
} // namespace absl
namespace absl {
namespace time_internal {
namespace cctz_extension {
namespace {
// Embed the zoneinfo data for time zones used during tests and benchmarks.
// The data was generated using "xxd -i zoneinfo-file". There is no need
// to update the data as long as the tests do not depend on recent changes
// (and the past rules remain the same).
#include "absl/time/internal/zoneinfo.inc"
const struct ZoneInfo {
const char* name;
const char* data;
std::size_t length;
} kZoneInfo[] = {
// The three real time zones used by :time_test and :time_benchmark.
{"America/Los_Angeles", //
reinterpret_cast<char*>(America_Los_Angeles), America_Los_Angeles_len},
{"America/New_York", //
reinterpret_cast<char*>(America_New_York), America_New_York_len},
{"Australia/Sydney", //
reinterpret_cast<char*>(Australia_Sydney), Australia_Sydney_len},
// Other zones named in tests but which should fail to load.
{"Invalid/TimeZone", nullptr, 0},
{"", nullptr, 0},
// Also allow for loading the local time zone under TZ=US/Pacific.
{"US/Pacific", //
reinterpret_cast<char*>(America_Los_Angeles), America_Los_Angeles_len},
// Allows use of the local time zone from a system-specific location.
#ifdef _MSC_VER
{"localtime", //
reinterpret_cast<char*>(America_Los_Angeles), America_Los_Angeles_len},
#else
{"/etc/localtime", //
reinterpret_cast<char*>(America_Los_Angeles), America_Los_Angeles_len},
#endif
};
class TestZoneInfoSource : public cctz::ZoneInfoSource {
public:
TestZoneInfoSource(const char* data, std::size_t size)
: data_(data), end_(data + size) {}
std::size_t Read(void* ptr, std::size_t size) override {
const std::size_t len = std::min<std::size_t>(size, end_ - data_);
memcpy(ptr, data_, len);
data_ += len;
return len;
}
int Skip(std::size_t offset) override {
data_ += std::min<std::size_t>(offset, end_ - data_);
return 0;
}
private:
const char* data_;
const char* const end_;
};
std::unique_ptr<cctz::ZoneInfoSource> TestFactory(
const std::string& name,
const std::function<std::unique_ptr<cctz::ZoneInfoSource>(
const std::string& name)>& /*fallback_factory*/) {
for (const ZoneInfo& zoneinfo : kZoneInfo) {
if (name == zoneinfo.name) {
if (zoneinfo.data == nullptr) return nullptr;
return std::unique_ptr<cctz::ZoneInfoSource>(
new TestZoneInfoSource(zoneinfo.data, zoneinfo.length));
}
}
ABSL_RAW_LOG(FATAL, "Unexpected time zone \"%s\" in test", name.c_str());
return nullptr;
}
} // namespace
ZoneInfoSourceFactory zone_info_source_factory = TestFactory;
} // namespace cctz_extension
} // namespace time_internal
} // namespace absl