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UnitTestAtomic.cpp
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#include "mg/common/Assert.h"
#include "mg/common/Atomic.h"
#include "UnitTest.h"
#define TEST_CHECK MG_COMMON_ASSERT
namespace mg {
namespace unittests {
static void
UnitTestAtomicConstructor()
{
// Default.
{
mg::common::Atomic<int> value;
value.Store(123);
TEST_CHECK(value.Load() == 123);
}
// With a value
{
mg::common::Atomic<int> value(123);
TEST_CHECK(value.Load() == 123);
}
}
static void
UnitTestAtomicLoad()
{
mg::common::Atomic<int> value(123);
TEST_CHECK(value.LoadRelaxed() == 123);
TEST_CHECK(value.LoadAcquire() == 123);
TEST_CHECK(value.Load() == 123);
}
static void
UnitTestAtomicStore()
{
mg::common::Atomic<int> value(123);
value.StoreRelaxed(4);
TEST_CHECK(value.LoadRelaxed() == 4);
value.StoreRelease(5);
TEST_CHECK(value.LoadRelaxed() == 5);
value.Store(6);
TEST_CHECK(value.LoadRelaxed() == 6);
}
static void
UnitTestAtomicExchange()
{
mg::common::Atomic<int> value(123);
TEST_CHECK(value.ExchangeRelaxed(4) == 123);
TEST_CHECK(value.ExchangeAcqRel(5) == 4);
TEST_CHECK(value.ExchangeRelease(6) == 5);
TEST_CHECK(value.Exchange(7) == 6);
TEST_CHECK(value.LoadRelaxed() == 7);
}
static void
UnitTestAtomicFetchAdd()
{
mg::common::Atomic<int> value(123);
TEST_CHECK(value.FetchAddRelaxed(2) == 123);
TEST_CHECK(value.FetchAddAcqRel(3) == 125);
TEST_CHECK(value.FetchAddRelease(4) == 128);
TEST_CHECK(value.FetchAdd(5) == 132);
TEST_CHECK(value.LoadRelaxed() == 137);
}
static void
UnitTestAtomicAddFetch()
{
mg::common::Atomic<int> value(123);
TEST_CHECK(value.AddFetchRelaxed(2) == 125);
TEST_CHECK(value.AddFetchAcqRel(3) == 128);
TEST_CHECK(value.AddFetchRelease(4) == 132);
TEST_CHECK(value.AddFetch(5) == 137);
TEST_CHECK(value.LoadRelaxed() == 137);
}
static void
UnitTestAtomicAdd()
{
mg::common::Atomic<int> value(123);
value.AddRelaxed(1);
TEST_CHECK(value.LoadRelaxed() == 124);
value.AddAcqRel(2);
TEST_CHECK(value.LoadRelaxed() == 126);
value.AddRelease(3);
TEST_CHECK(value.LoadRelaxed() == 129);
value.Add(4);
TEST_CHECK(value.LoadRelaxed() == 133);
}
static void
UnitTestAtomicFetchSub()
{
mg::common::Atomic<int> value(123);
TEST_CHECK(value.FetchSubRelaxed(2) == 123);
TEST_CHECK(value.FetchSubAcqRel(3) == 121);
TEST_CHECK(value.FetchSubRelease(4) == 118);
TEST_CHECK(value.FetchSub(5) == 114);
TEST_CHECK(value.LoadRelaxed() == 109);
}
static void
UnitTestAtomicSubFetch()
{
mg::common::Atomic<int> value(123);
TEST_CHECK(value.SubFetchRelaxed(2) == 121);
TEST_CHECK(value.SubFetchAcqRel(3) == 118);
TEST_CHECK(value.SubFetchRelease(4) == 114);
TEST_CHECK(value.SubFetch(5) == 109);
TEST_CHECK(value.LoadRelaxed() == 109);
}
static void
UnitTestAtomicSub()
{
mg::common::Atomic<int> value(123);
value.SubRelaxed(1);
TEST_CHECK(value.LoadRelaxed() == 122);
value.SubAcqRel(2);
TEST_CHECK(value.LoadRelaxed() == 120);
value.SubRelease(3);
TEST_CHECK(value.LoadRelaxed() == 117);
value.Sub(4);
TEST_CHECK(value.LoadRelaxed() == 113);
}
static void
UnitTestAtomicIncrement()
{
mg::common::Atomic<int> value(123);
value.IncrementRelaxed();
TEST_CHECK(value.LoadRelaxed() == 124);
value.IncrementAcqRel();
TEST_CHECK(value.LoadRelaxed() == 125);
value.IncrementRelease();
TEST_CHECK(value.LoadRelaxed() == 126);
value.Increment();;
TEST_CHECK(value.LoadRelaxed() == 127);
}
static void
UnitTestAtomicFetchIncrement()
{
mg::common::Atomic<int> value(123);
TEST_CHECK(value.FetchIncrementRelaxed() == 123);
TEST_CHECK(value.FetchIncrementAcqRel() == 124);
TEST_CHECK(value.FetchIncrementRelease() == 125);
TEST_CHECK(value.FetchIncrement() == 126);
TEST_CHECK(value.LoadRelaxed() == 127);
}
static void
UnitTestAtomicIncrementFetch()
{
mg::common::Atomic<int> value(123);
TEST_CHECK(value.IncrementFetchRelaxed() == 124);
TEST_CHECK(value.IncrementFetchAcqRel() == 125);
TEST_CHECK(value.IncrementFetchRelease() == 126);
TEST_CHECK(value.IncrementFetch() == 127);
TEST_CHECK(value.LoadRelaxed() == 127);
}
static void
UnitTestAtomicDecrement()
{
mg::common::Atomic<int> value(123);
value.DecrementRelaxed();
TEST_CHECK(value.LoadRelaxed() == 122);
value.DecrementAcqRel();
TEST_CHECK(value.LoadRelaxed() == 121);
value.DecrementRelease();
TEST_CHECK(value.LoadRelaxed() == 120);
value.Decrement();;
TEST_CHECK(value.LoadRelaxed() == 119);
}
static void
UnitTestAtomicFetchDecrement()
{
mg::common::Atomic<int> value(123);
TEST_CHECK(value.FetchDecrementRelaxed() == 123);
TEST_CHECK(value.FetchDecrementAcqRel() == 122);
TEST_CHECK(value.FetchDecrementRelease() == 121);
TEST_CHECK(value.FetchDecrement() == 120);
TEST_CHECK(value.LoadRelaxed() == 119);
}
static void
UnitTestAtomicDecrementFetch()
{
mg::common::Atomic<int> value(123);
TEST_CHECK(value.DecrementFetchRelaxed() == 122);
TEST_CHECK(value.DecrementFetchAcqRel() == 121);
TEST_CHECK(value.DecrementFetchRelease() == 120);
TEST_CHECK(value.DecrementFetch() == 119);
TEST_CHECK(value.LoadRelaxed() == 119);
}
static void
UnitTestAtomicCmpExchgWeak()
{
mg::common::Atomic<int> value(123);
int expected = 100;
TEST_CHECK(!value.CmpExchgWeakAcquire(expected, 124));
TEST_CHECK(value.LoadRelaxed() == 123);
TEST_CHECK(expected == 123);
TEST_CHECK(value.CmpExchgWeakAcquire(expected, 124));
TEST_CHECK(value.LoadRelaxed() == 124);
TEST_CHECK(expected == 123);
value.StoreRelaxed(123);
expected = 100;
TEST_CHECK(!value.CmpExchgWeakAcqRel(expected, 124));
TEST_CHECK(value.LoadRelaxed() == 123);
TEST_CHECK(expected == 123);
TEST_CHECK(value.CmpExchgWeakAcqRel(expected, 124));
TEST_CHECK(value.LoadRelaxed() == 124);
TEST_CHECK(expected == 123);
value.StoreRelaxed(123);
expected = 100;
TEST_CHECK(!value.CmpExchgWeakRelease(expected, 124));
TEST_CHECK(value.LoadRelaxed() == 123);
TEST_CHECK(expected == 123);
TEST_CHECK(value.CmpExchgWeakRelease(expected, 124));
TEST_CHECK(value.LoadRelaxed() == 124);
TEST_CHECK(expected == 123);
value.StoreRelaxed(123);
expected = 100;
TEST_CHECK(!value.CmpExchgWeak(expected, 124));
TEST_CHECK(value.LoadRelaxed() == 123);
TEST_CHECK(expected == 123);
TEST_CHECK(value.CmpExchgWeak(expected, 124));
TEST_CHECK(value.LoadRelaxed() == 124);
TEST_CHECK(expected == 123);
}
static void
UnitTestAtomicCmpExchgStrong()
{
mg::common::Atomic<int> value(123);
int expected = 100;
TEST_CHECK(!value.CmpExchgStrongAcquire(expected, 124));
TEST_CHECK(value.LoadRelaxed() == 123);
TEST_CHECK(expected == 123);
TEST_CHECK(value.CmpExchgStrongAcquire(expected, 124));
TEST_CHECK(value.LoadRelaxed() == 124);
TEST_CHECK(expected == 123);
value.StoreRelaxed(123);
expected = 100;
TEST_CHECK(!value.CmpExchgStrongAcqRel(expected, 124));
TEST_CHECK(value.LoadRelaxed() == 123);
TEST_CHECK(expected == 123);
TEST_CHECK(value.CmpExchgStrongAcqRel(expected, 124));
TEST_CHECK(value.LoadRelaxed() == 124);
TEST_CHECK(expected == 123);
value.StoreRelaxed(123);
expected = 100;
TEST_CHECK(!value.CmpExchgStrongRelease(expected, 124));
TEST_CHECK(value.LoadRelaxed() == 123);
TEST_CHECK(expected == 123);
TEST_CHECK(value.CmpExchgStrongRelease(expected, 124));
TEST_CHECK(value.LoadRelaxed() == 124);
TEST_CHECK(expected == 123);
value.StoreRelaxed(123);
expected = 100;
TEST_CHECK(!value.CmpExchgStrong(expected, 124));
TEST_CHECK(value.LoadRelaxed() == 123);
TEST_CHECK(expected == 123);
TEST_CHECK(value.CmpExchgStrong(expected, 124));
TEST_CHECK(value.LoadRelaxed() == 124);
TEST_CHECK(expected == 123);
}
static void
UnitTestAtomicBool()
{
mg::common::Atomic<bool> value(true);
TEST_CHECK(value.LoadRelaxed());
value.StoreRelaxed(false);
TEST_CHECK(!value.LoadRelaxed());
TEST_CHECK(!value.ExchangeRelaxed(true));
TEST_CHECK(value.LoadRelaxed());
bool expected = false;
TEST_CHECK(!value.CmpExchgWeakRelaxed(expected, false));
TEST_CHECK(expected);
TEST_CHECK(value.LoadRelaxed());
TEST_CHECK(value.CmpExchgWeakRelaxed(expected, false));
TEST_CHECK(expected);
TEST_CHECK(!value.LoadRelaxed());
expected = false;
value.StoreRelaxed(true);
TEST_CHECK(!value.CmpExchgStrongRelaxed(expected, false));
TEST_CHECK(expected);
TEST_CHECK(value.LoadRelaxed());
TEST_CHECK(value.CmpExchgStrongRelaxed(expected, false));
TEST_CHECK(expected);
TEST_CHECK(!value.LoadRelaxed());
}
static void
UnitTestAtomicPtr()
{
int i1, i2;
void* val1 = (void*)&i1;
void* val2 = (void*)&i2;
mg::common::Atomic<void*> value(val1);
TEST_CHECK(value.LoadRelaxed() == val1);
value.StoreRelaxed(val2);
TEST_CHECK(value.LoadRelaxed() == val2);
TEST_CHECK(value.ExchangeRelaxed(val1) == val2);
TEST_CHECK(value.LoadRelaxed() == val1);
void* expected = val2;
TEST_CHECK(!value.CmpExchgWeakRelaxed(expected, val2));
TEST_CHECK(expected == val1);
TEST_CHECK(value.LoadRelaxed() == val1);
TEST_CHECK(value.CmpExchgWeakRelaxed(expected, val2));
TEST_CHECK(expected == val1);
TEST_CHECK(value.LoadRelaxed() == val2);
expected = val2;
value.StoreRelaxed(val1);
TEST_CHECK(!value.CmpExchgStrongRelaxed(expected, val2));
TEST_CHECK(expected == val1);
TEST_CHECK(value.LoadRelaxed() == val1);
TEST_CHECK(value.CmpExchgStrongRelaxed(expected, val2));
TEST_CHECK(expected == val1);
TEST_CHECK(value.LoadRelaxed() == val2);
}
void
UnitTestAtomic()
{
TestSuiteGuard suite("Atomic");
UnitTestAtomicConstructor();
UnitTestAtomicLoad();
UnitTestAtomicStore();
UnitTestAtomicExchange();
UnitTestAtomicFetchAdd();
UnitTestAtomicAddFetch();
UnitTestAtomicAdd();
UnitTestAtomicFetchSub();
UnitTestAtomicSubFetch();
UnitTestAtomicSub();
UnitTestAtomicIncrement();
UnitTestAtomicFetchIncrement();
UnitTestAtomicIncrementFetch();
UnitTestAtomicDecrement();
UnitTestAtomicFetchDecrement();
UnitTestAtomicDecrementFetch();
UnitTestAtomicCmpExchgWeak();
UnitTestAtomicCmpExchgStrong();
UnitTestAtomicBool();
UnitTestAtomicPtr();
}
}
}