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#include <library/cpp/testing/gtest/gtest.h>
#include <library/cpp/yt/threading/spin_lock.h>
#include <library/cpp/yt/threading/recursive_spin_lock.h>
#include <library/cpp/yt/threading/rw_spin_lock.h>
#include <library/cpp/yt/threading/fork_aware_spin_lock.h>
namespace NYT::NThreading {
namespace {
////////////////////////////////////////////////////////////////////////////////
#ifndef NDEBUG
TEST(TSpinLockCountTest, SpinLock)
{
EXPECT_EQ(GetActiveSpinLockCount(), 0);
TSpinLock lock;
auto guard = Guard(lock);
EXPECT_EQ(GetActiveSpinLockCount(), 1);
guard.Release();
EXPECT_EQ(GetActiveSpinLockCount(), 0);
}
TEST(TSpinLockCountTest, RecursiveSpinLock)
{
EXPECT_EQ(GetActiveSpinLockCount(), 0);
TRecursiveSpinLock lock;
auto guard1 = Guard(lock);
EXPECT_EQ(GetActiveSpinLockCount(), 1);
auto guard2 = Guard(lock);
EXPECT_EQ(GetActiveSpinLockCount(), 2);
guard2.Release();
EXPECT_EQ(GetActiveSpinLockCount(), 1);
guard1.Release();
EXPECT_EQ(GetActiveSpinLockCount(), 0);
}
TEST(TSpinLockCountTest, ForkAwareSpinLock)
{
EXPECT_EQ(GetActiveSpinLockCount(), 0);
TForkAwareSpinLock lock;
auto guard = Guard(lock);
EXPECT_EQ(GetActiveSpinLockCount(), 1);
guard.Release();
EXPECT_EQ(GetActiveSpinLockCount(), 0);
}
TEST(TSpinLockCountTest, RWSpinLock)
{
EXPECT_EQ(GetActiveSpinLockCount(), 0);
TReaderWriterSpinLock lock;
auto readerGuard = ReaderGuard(lock);
EXPECT_EQ(GetActiveSpinLockCount(), 1);
readerGuard.Release();
EXPECT_EQ(GetActiveSpinLockCount(), 0);
auto writerGuard = WriterGuard(lock);
EXPECT_EQ(GetActiveSpinLockCount(), 1);
writerGuard.Release();
EXPECT_EQ(GetActiveSpinLockCount(), 0);
}
#endif
////////////////////////////////////////////////////////////////////////////////
} // namespace
} // namespace NYT::NThreading
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