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Diffstat (limited to 'third_party/abseil_cpp/absl/base/internal/sysinfo_test.cc')
-rw-r--r--third_party/abseil_cpp/absl/base/internal/sysinfo_test.cc100
1 files changed, 0 insertions, 100 deletions
diff --git a/third_party/abseil_cpp/absl/base/internal/sysinfo_test.cc b/third_party/abseil_cpp/absl/base/internal/sysinfo_test.cc
deleted file mode 100644
index fa8b88b1dc07..000000000000
--- a/third_party/abseil_cpp/absl/base/internal/sysinfo_test.cc
+++ /dev/null
@@ -1,100 +0,0 @@
-// 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/sysinfo.h"
-
-#ifndef _WIN32
-#include <sys/types.h>
-#include <unistd.h>
-#endif
-
-#include <thread>  // NOLINT(build/c++11)
-#include <unordered_set>
-#include <vector>
-
-#include "gtest/gtest.h"
-#include "absl/synchronization/barrier.h"
-#include "absl/synchronization/mutex.h"
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-namespace base_internal {
-namespace {
-
-TEST(SysinfoTest, NumCPUs) {
-  EXPECT_NE(NumCPUs(), 0)
-      << "NumCPUs() should not have the default value of 0";
-}
-
-TEST(SysinfoTest, NominalCPUFrequency) {
-#if !(defined(__aarch64__) && defined(__linux__)) && !defined(__EMSCRIPTEN__)
-  EXPECT_GE(NominalCPUFrequency(), 1000.0)
-      << "NominalCPUFrequency() did not return a reasonable value";
-#else
-  // Aarch64 cannot read the CPU frequency from sysfs, so we get back 1.0.
-  // Emscripten does not have a sysfs to read from at all.
-  EXPECT_EQ(NominalCPUFrequency(), 1.0)
-      << "CPU frequency detection was fixed! Please update unittest.";
-#endif
-}
-
-TEST(SysinfoTest, GetTID) {
-  EXPECT_EQ(GetTID(), GetTID());  // Basic compile and equality test.
-#ifdef __native_client__
-  // Native Client has a race condition bug that leads to memory
-  // exaustion when repeatedly creating and joining threads.
-  // https://bugs.chromium.org/p/nativeclient/issues/detail?id=1027
-  return;
-#endif
-  // Test that TIDs are unique to each thread.
-  // Uses a few loops to exercise implementations that reallocate IDs.
-  for (int i = 0; i < 10; ++i) {
-    constexpr int kNumThreads = 10;
-    Barrier all_threads_done(kNumThreads);
-    std::vector<std::thread> threads;
-
-    Mutex mutex;
-    std::unordered_set<pid_t> tids;
-
-    for (int j = 0; j < kNumThreads; ++j) {
-      threads.push_back(std::thread([&]() {
-        pid_t id = GetTID();
-        {
-          MutexLock lock(&mutex);
-          ASSERT_TRUE(tids.find(id) == tids.end());
-          tids.insert(id);
-        }
-        // We can't simply join the threads here. The threads need to
-        // be alive otherwise the TID might have been reallocated to
-        // another live thread.
-        all_threads_done.Block();
-      }));
-    }
-    for (auto& thread : threads) {
-      thread.join();
-    }
-  }
-}
-
-#ifdef __linux__
-TEST(SysinfoTest, LinuxGetTID) {
-  // On Linux, for the main thread, GetTID()==getpid() is guaranteed by the API.
-  EXPECT_EQ(GetTID(), getpid());
-}
-#endif
-
-}  // namespace
-}  // namespace base_internal
-ABSL_NAMESPACE_END
-}  // namespace absl