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https://github.com/abseil/abseil-cpp.git
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118 lines
3.6 KiB
C++
118 lines
3.6 KiB
C++
// Copyright 2024 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 <tuple>
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#include <vector>
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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#include "absl/base/attributes.h"
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#include "absl/base/config.h"
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#include "absl/base/internal/tracing.h"
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#if ABSL_HAVE_ATTRIBUTE_WEAK
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namespace {
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using ::testing::ElementsAre;
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using ::absl::base_internal::ObjectKind;
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enum Function { kWait, kContinue, kSignal, kObserved };
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using Record = std::tuple<Function, const void*, ObjectKind>;
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thread_local std::vector<Record>* tls_records = nullptr;
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} // namespace
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namespace absl {
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ABSL_NAMESPACE_BEGIN
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namespace base_internal {
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// Strong extern "C" implementation.
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extern "C" {
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void ABSL_INTERNAL_C_SYMBOL(AbslInternalTraceWait)(const void* object,
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ObjectKind kind) {
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if (tls_records != nullptr) {
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tls_records->push_back({kWait, object, kind});
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}
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}
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void ABSL_INTERNAL_C_SYMBOL(AbslInternalTraceContinue)(const void* object,
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ObjectKind kind) {
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if (tls_records != nullptr) {
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tls_records->push_back({kContinue, object, kind});
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}
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}
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void ABSL_INTERNAL_C_SYMBOL(AbslInternalTraceSignal)(const void* object,
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ObjectKind kind) {
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if (tls_records != nullptr) {
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tls_records->push_back({kSignal, object, kind});
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}
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}
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void ABSL_INTERNAL_C_SYMBOL(AbslInternalTraceObserved)(const void* object,
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ObjectKind kind) {
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if (tls_records != nullptr) {
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tls_records->push_back({kObserved, object, kind});
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}
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}
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} // extern "C"
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} // namespace base_internal
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ABSL_NAMESPACE_END
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} // namespace absl
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namespace {
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TEST(TracingInternal, InvokesStrongFunctionWithNullptr) {
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std::vector<Record> records;
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tls_records = &records;
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auto kind = absl::base_internal::ObjectKind::kUnknown;
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absl::base_internal::TraceWait(nullptr, kind);
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absl::base_internal::TraceContinue(nullptr, kind);
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absl::base_internal::TraceSignal(nullptr, kind);
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absl::base_internal::TraceObserved(nullptr, kind);
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tls_records = nullptr;
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EXPECT_THAT(records, ElementsAre(Record{kWait, nullptr, kind},
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Record{kContinue, nullptr, kind},
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Record{kSignal, nullptr, kind},
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Record{kObserved, nullptr, kind}));
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}
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TEST(TracingInternal, InvokesStrongFunctionWithObjectAddress) {
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int object = 0;
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std::vector<Record> records;
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tls_records = &records;
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auto kind = absl::base_internal::ObjectKind::kUnknown;
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absl::base_internal::TraceWait(&object, kind);
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absl::base_internal::TraceContinue(&object, kind);
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absl::base_internal::TraceSignal(&object, kind);
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absl::base_internal::TraceObserved(&object, kind);
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tls_records = nullptr;
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EXPECT_THAT(records, ElementsAre(Record{kWait, &object, kind},
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Record{kContinue, &object, kind},
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Record{kSignal, &object, kind},
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Record{kObserved, &object, kind}));
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}
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} // namespace
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#endif // ABSL_HAVE_ATTRIBUTE_WEAK
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