80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
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// 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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