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#include "guard.h"
#include "rwlock.h"
#include <library/cpp/testing/unittest/registar.h>
#include <util/thread/pool.h>
struct TTestGuard: public TTestBase {
UNIT_TEST_SUITE(TTestGuard);
UNIT_TEST(TestGuard)
UNIT_TEST(TestTryGuard)
UNIT_TEST(TestMove)
UNIT_TEST(TestSync)
UNIT_TEST(TestUnguard)
UNIT_TEST(TestTryReadGuard)
UNIT_TEST(TestWithLock)
UNIT_TEST(TestWithLockScope);
UNIT_TEST_SUITE_END();
struct TGuardChecker {
TGuardChecker()
: guarded(false)
{
}
void Acquire() {
guarded = true;
}
void Release() {
guarded = false;
}
bool TryAcquire() {
if (guarded) {
return false;
} else {
guarded = true;
return true;
}
}
bool guarded;
};
void TestUnguard() {
TGuardChecker m;
{
auto guard = Guard(m);
UNIT_ASSERT(m.guarded);
{
auto unguard = Unguard(guard);
UNIT_ASSERT(!m.guarded);
}
UNIT_ASSERT(m.guarded);
}
{
auto guard = Guard(m);
UNIT_ASSERT(m.guarded);
{
auto unguard = Unguard(m);
UNIT_ASSERT(!m.guarded);
}
UNIT_ASSERT(m.guarded);
}
}
void TestMove() {
TGuardChecker m;
size_t n = 0;
{
auto guard = Guard(m);
UNIT_ASSERT(m.guarded);
++n;
}
UNIT_ASSERT(!m.guarded);
UNIT_ASSERT_VALUES_EQUAL(n, 1);
}
void TestSync() {
TGuardChecker m;
size_t n = 0;
with_lock (m) {
UNIT_ASSERT(m.guarded);
++n;
}
UNIT_ASSERT(!m.guarded);
UNIT_ASSERT_VALUES_EQUAL(n, 1);
}
void TestGuard() {
TGuardChecker checker;
UNIT_ASSERT(!checker.guarded);
{
TGuard<TGuardChecker> guard(checker);
UNIT_ASSERT(checker.guarded);
}
UNIT_ASSERT(!checker.guarded);
}
void TestTryGuard() {
TGuardChecker checker;
UNIT_ASSERT(!checker.guarded);
{
TTryGuard<TGuardChecker> guard(checker);
UNIT_ASSERT(checker.guarded);
UNIT_ASSERT(guard.WasAcquired());
{
TTryGuard<TGuardChecker> guard2(checker);
UNIT_ASSERT(checker.guarded);
UNIT_ASSERT(!guard2.WasAcquired());
}
UNIT_ASSERT(checker.guarded);
}
UNIT_ASSERT(!checker.guarded);
}
void TestTryReadGuard() {
TRWMutex mutex;
{
TTryReadGuard tryGuard(mutex);
UNIT_ASSERT(tryGuard.WasAcquired());
TReadGuard readGuard(mutex);
TTryReadGuard anotherTryGuard(mutex);
UNIT_ASSERT(tryGuard.WasAcquired());
}
{
TReadGuard readGuard(mutex);
TTryReadGuard tryGuard(mutex);
UNIT_ASSERT(tryGuard.WasAcquired());
}
{
TWriteGuard writeGuard(mutex);
TTryReadGuard tryGuard(mutex);
UNIT_ASSERT(!tryGuard.WasAcquired());
}
TTryReadGuard tryGuard(mutex);
UNIT_ASSERT(tryGuard.WasAcquired());
}
int WithLockIncrement(TGuardChecker& m, int n) {
with_lock (m) {
UNIT_ASSERT(m.guarded);
return n + 1;
}
}
void TestWithLock() {
TGuardChecker m;
int n = 42;
n = WithLockIncrement(m, n);
UNIT_ASSERT(!m.guarded);
UNIT_ASSERT_EQUAL(n, 43);
}
void TestWithLockScope() {
auto Guard = [](auto) { UNIT_FAIL("Non global Guard used"); return 0; };
TGuardChecker m;
with_lock (m) {
Y_UNUSED(Guard);
}
}
};
UNIT_TEST_SUITE_REGISTRATION(TTestGuard)
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