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tests-ControlData.cpp
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tests-ControlData.cpp
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#include "tests-common.hpp"
template<typename t_storage, unsigned t_usage_bits, unsigned t_weak_bits, unsigned t_offset_bits, unsigned t_size_bits,
unsigned t_align_bits, typename t_usage, typename t_weak, typename t_data>
class ControlDataSafe
: public pntr::ControlData<pntr::CounterThreadSafe, t_storage, t_usage_bits, t_weak_bits, t_offset_bits, t_size_bits,
t_align_bits>
{
using Base = pntr::ControlData<pntr::CounterThreadSafe, t_storage, t_usage_bits, t_weak_bits, t_offset_bits,
t_size_bits, t_align_bits>;
public:
ControlDataSafe()
: Base(Base::get_max_user())
{}
static_assert(std::is_same_v<t_usage, typename Base::UsageValueType>);
static_assert(std::is_same_v<t_weak, typename Base::WeakValueType>);
static_assert(std::is_same_v<t_data, typename Base::DataValueType>);
};
template<typename t_storage, unsigned t_usage_bits, unsigned t_weak_bits, unsigned t_offset_bits, unsigned t_size_bits,
unsigned t_align_bits, typename t_usage, typename t_weak, typename t_data>
class ControlDataUnsafe
: public pntr::ControlData<pntr::CounterThreadUnsafe, t_storage, t_usage_bits, t_weak_bits, t_offset_bits, t_size_bits,
t_align_bits>
{
using Base = pntr::ControlData<pntr::CounterThreadUnsafe, t_storage, t_usage_bits, t_weak_bits, t_offset_bits,
t_size_bits, t_align_bits>;
public:
ControlDataUnsafe()
: Base(Base::get_max_user())
{}
static_assert(std::is_same_v<t_usage, typename Base::UsageValueType>);
static_assert(std::is_same_v<t_weak, typename Base::WeakValueType>);
static_assert(std::is_same_v<t_data, typename Base::DataValueType>);
};
using u08 = std::uint8_t;
using u16 = std::uint16_t;
using u32 = std::uint32_t;
using u64 = std::uint64_t;
inline constexpr unsigned sb = pntr::shared_bits;
// clang-format off
TEMPLATE_PRODUCT_TEST_CASE_SIG(TEST_PREFIX "ControlData", "",
((typename t_storage, unsigned t_usage_bits, unsigned t_weak_bits,
unsigned t_offset_bits, unsigned t_size_bits, unsigned t_align_bits,
typename t_usage, typename t_weak, typename t_data),
t_storage, t_usage_bits, t_weak_bits, t_offset_bits,
t_size_bits, t_align_bits, t_usage, t_weak, t_data),
(ControlDataSafe, ControlDataUnsafe),
((u08, 8u, 0u, 0u, 0u, 0u, u08, u08, u08),
(u08, 5u, 3u, 0u, 0u, 0u, u08, u08, u08),
(u08, 5u, 3u, sb, 0u, 0u, u08, u08, u08),
(u08, 4u, 4u, 0u, 0u, 0u, u08, u08, u08),
(u08, 4u, 4u, sb, 0u, 0u, u08, u08, u08),
(u08, 4u, 2u, 2u, 0u, 0u, u08, u08, u08),
(u08, 4u, 2u, sb, 0u, 0u, u08, u08, u08),
(u08, 3u, 2u, 1u, 1u, 1u, u08, u08, u08),
(u16, 16u, 0u, 0u, 0u, 0u, u16, u16, u16),
(u16, 9u, 7u, 0u, 0u, 0u, u16, u16, u16),
(u16, 9u, 7u, sb, 0u, 0u, u16, u16, u16),
(u16, 8u, 8u, 0u, 0u, 0u, u08, u08, u08),
(u16, 8u, 8u, sb, 0u, 0u, u08, u08, u08),
(u16, 8u, 4u, 4u, 0u, 0u, u08, u08, u08),
(u16, 8u, 4u, sb, 0u, 0u, u08, u08, u08),
(u16, 4u, 4u, 2u, 2u, 2u, u16, u16, u16),
(u32, 32u, 0u, 0u, 0u, 0u, u32, u32, u32),
(u32, 17u, 15u, 0u, 0u, 0u, u32, u32, u32),
(u32, 17u, 15u, sb, 0u, 0u, u32, u32, u32),
(u32, 16u, 16u, 0u, 0u, 0u, u16, u16, u16),
(u32, 16u, 16u, sb, 0u, 0u, u16, u16, u16),
(u32, 16u, 8u, 8u, 0u, 0u, u16, u08, u08),
(u32, 16u, 8u, sb, 0u, 0u, u16, u08, u08),
(u32, 8u, 8u, 4u, 4u, 4u, u08, u08, u16),
(u32, 8u, 16u, 8u, 0u, 0u, u32, u32, u32),
(u64, 64u, 0u, 0u, 0u, 0u, u64, u64, u64),
(u64, 33u, 31u, 0u, 0u, 0u, u64, u64, u64),
(u64, 33u, 31u, sb, 0u, 0u, u64, u64, u64),
(u64, 32u, 32u, 0u, 0u, 0u, u32, u32, u32),
(u64, 32u, 32u, sb, 0u, 0u, u32, u32, u32),
(u64, 32u, 16u, 16u, 0u, 0u, u32, u16, u16),
(u64, 32u, 16u, sb, 0u, 0u, u32, u16, u16),
(u64, 16u, 16u, 8u, 8u, 8u, u16, u16, u32),
(u64, 16u, 32u, 16u, 0u, 0u, u64, u64, u64)))
// clang-format on
{
using U = typename TestType::UsageValueType;
using W = typename TestType::WeakValueType;
// static_assert(sizeof(TestType) == sizeof(typename TestType::StorageType));
static_assert(TestType::SupportsWeak::value == (TestType::s_weak_bits != 0u));
// Initialization
TestType data;
REQUIRE(data.try_set_offset(TestType::get_max_offset()) != TestType::s_shared_offset);
REQUIRE(data.try_set_size(TestType::get_max_size()));
REQUIRE(data.try_set_align(TestType::get_max_align()));
REQUIRE(data.is_uncontrolled());
// Taking control
REQUIRE(data.try_control() == pntr::ControlStatus::e_acquired);
REQUIRE(data.use_count() == static_cast<U>(1u));
if constexpr (TestType::SupportsWeak::value)
{
REQUIRE(data.weak_count() == static_cast<W>(1u));
}
// Sharing control
REQUIRE(data.try_add_ref());
REQUIRE(data.use_count() == static_cast<U>(2u));
REQUIRE(data.try_control() == pntr::ControlStatus::e_shared);
REQUIRE(data.use_count() == static_cast<U>(3u));
data.add_ref();
REQUIRE(data.use_count() == static_cast<U>(4u));
if constexpr (TestType::SupportsWeak::value)
{
data.weak_add_ref();
REQUIRE(data.weak_count() == static_cast<W>(2u));
REQUIRE_FALSE(data.weak_release());
REQUIRE(data.weak_count() == static_cast<W>(1u));
}
REQUIRE_FALSE(data.release());
REQUIRE(data.use_count() == static_cast<U>(3u));
REQUIRE_FALSE(data.release());
REQUIRE(data.use_count() == static_cast<U>(2u));
REQUIRE_FALSE(data.release());
REQUIRE(data.use_count() == static_cast<U>(1u));
// Destroy
REQUIRE(data.release());
REQUIRE(data.use_count() == static_cast<U>(0u));
REQUIRE_FALSE(data.try_add_ref());
REQUIRE(data.use_count() == static_cast<U>(0u));
REQUIRE(data.try_control() == pntr::ControlStatus::e_invalid);
REQUIRE(data.use_count() == static_cast<U>(0u));
// Time to use offset shared with usage counter
if constexpr (TestType::s_shared_offset)
{
REQUIRE(data.try_set_offset(TestType::get_max_offset()));
}
// Deallocate
REQUIRE(data.get_offset() == TestType::get_max_offset());
REQUIRE(data.get_size() == TestType::get_max_size());
REQUIRE(data.get_align() == TestType::get_max_align());
REQUIRE(data.get_user() == TestType::get_max_user());
if constexpr (TestType::SupportsWeak::value)
{
REQUIRE(data.weak_release());
REQUIRE(data.weak_count() == static_cast<U>(0u));
}
}