diff options
Diffstat (limited to 'third_party/abseil_cpp/absl/base/internal/exception_safety_testing.cc')
-rw-r--r-- | third_party/abseil_cpp/absl/base/internal/exception_safety_testing.cc | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/third_party/abseil_cpp/absl/base/internal/exception_safety_testing.cc b/third_party/abseil_cpp/absl/base/internal/exception_safety_testing.cc new file mode 100644 index 000000000000..6ccac41864b1 --- /dev/null +++ b/third_party/abseil_cpp/absl/base/internal/exception_safety_testing.cc @@ -0,0 +1,79 @@ +// 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 +// +// 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 "absl/base/internal/exception_safety_testing.h" + +#ifdef ABSL_HAVE_EXCEPTIONS + +#include "gtest/gtest.h" +#include "absl/meta/type_traits.h" + +namespace testing { + +exceptions_internal::NoThrowTag nothrow_ctor; + +exceptions_internal::StrongGuaranteeTagType strong_guarantee; + +exceptions_internal::ExceptionSafetyTestBuilder<> MakeExceptionSafetyTester() { + return {}; +} + +namespace exceptions_internal { + +int countdown = -1; + +ConstructorTracker* ConstructorTracker::current_tracker_instance_ = nullptr; + +void MaybeThrow(absl::string_view msg, bool throw_bad_alloc) { + if (countdown-- == 0) { + if (throw_bad_alloc) throw TestBadAllocException(msg); + throw TestException(msg); + } +} + +testing::AssertionResult FailureMessage(const TestException& e, + int countdown) noexcept { + return testing::AssertionFailure() << "Exception thrown from " << e.what(); +} + +std::string GetSpecString(TypeSpec spec) { + std::string out; + absl::string_view sep; + const auto append = [&](absl::string_view s) { + absl::StrAppend(&out, sep, s); + sep = " | "; + }; + if (static_cast<bool>(TypeSpec::kNoThrowCopy & spec)) { + append("kNoThrowCopy"); + } + if (static_cast<bool>(TypeSpec::kNoThrowMove & spec)) { + append("kNoThrowMove"); + } + if (static_cast<bool>(TypeSpec::kNoThrowNew & spec)) { + append("kNoThrowNew"); + } + return out; +} + +std::string GetSpecString(AllocSpec spec) { + return static_cast<bool>(AllocSpec::kNoThrowAllocate & spec) + ? "kNoThrowAllocate" + : ""; +} + +} // namespace exceptions_internal + +} // namespace testing + +#endif // ABSL_HAVE_EXCEPTIONS |