Abseil Common Libraries (C++) (grcp 依赖)
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79 lines
2.2 KiB
79 lines
2.2 KiB
// Copyright 2017 The Abseil Authors. |
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// |
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// Licensed under the Apache License, Version 2.0 (the "License"); |
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// you may not use this file except in compliance with the License. |
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// You may obtain a copy of the License at |
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// |
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// https://www.apache.org/licenses/LICENSE-2.0 |
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// |
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// Unless required by applicable law or agreed to in writing, software |
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// distributed under the License is distributed on an "AS IS" BASIS, |
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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// See the License for the specific language governing permissions and |
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// limitations under the License. |
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#include "absl/base/internal/exception_safety_testing.h" |
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#ifdef ABSL_HAVE_EXCEPTIONS |
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#include "gtest/gtest.h" |
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#include "absl/meta/type_traits.h" |
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namespace testing { |
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exceptions_internal::NoThrowTag nothrow_ctor; |
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exceptions_internal::StrongGuaranteeTagType strong_guarantee; |
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exceptions_internal::ExceptionSafetyTestBuilder<> MakeExceptionSafetyTester() { |
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return {}; |
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} |
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namespace exceptions_internal { |
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int countdown = -1; |
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ConstructorTracker* ConstructorTracker::current_tracker_instance_ = nullptr; |
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void MaybeThrow(absl::string_view msg, bool throw_bad_alloc) { |
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if (countdown-- == 0) { |
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if (throw_bad_alloc) throw TestBadAllocException(msg); |
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throw TestException(msg); |
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} |
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} |
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testing::AssertionResult FailureMessage(const TestException& e, |
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int countdown) noexcept { |
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return testing::AssertionFailure() << "Exception thrown from " << e.what(); |
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} |
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std::string GetSpecString(TypeSpec spec) { |
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std::string out; |
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absl::string_view sep; |
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const auto append = [&](absl::string_view s) { |
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absl::StrAppend(&out, sep, s); |
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sep = " | "; |
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}; |
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if (static_cast<bool>(TypeSpec::kNoThrowCopy & spec)) { |
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append("kNoThrowCopy"); |
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} |
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if (static_cast<bool>(TypeSpec::kNoThrowMove & spec)) { |
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append("kNoThrowMove"); |
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} |
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if (static_cast<bool>(TypeSpec::kNoThrowNew & spec)) { |
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append("kNoThrowNew"); |
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} |
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return out; |
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} |
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std::string GetSpecString(AllocSpec spec) { |
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return static_cast<bool>(AllocSpec::kNoThrowAllocate & spec) |
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? "kNoThrowAllocate" |
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: ""; |
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} |
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} // namespace exceptions_internal |
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} // namespace testing |
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#endif // ABSL_HAVE_EXCEPTIONS
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