tvl-depot/absl/base/internal/exception_safety_testing.cc
Abseil Team 94c298e2a0 Export of internal Abseil changes.
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441d1aa02483cdc510eb2fef012b31384fd8e3a6 by Eric Fiselier <ericwf@google.com>:

Fix str_format with non-POSIX libc implementations.

PiperOrigin-RevId: 218441122

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da6190130e74222af6eb161a5593364341370370 by Jon Cohen <cohenjon@google.com>:

Refactor ExceptionSafetyTester::Test in order to remove the levels of indirection related to unpacking tuples.

PiperOrigin-RevId: 218403355
GitOrigin-RevId: 441d1aa02483cdc510eb2fef012b31384fd8e3a6
Change-Id: I6f6b978eb96fe261e8ee41ecdce185e5356a601d
2018-10-24 16:47:28 -04:00

75 lines
2.1 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/base/internal/exception_safety_testing.h"
#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