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//
// Copyright © 2020 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include <doctest/doctest.h>
#define ARMNN_POLYMORPHIC_CAST_TESTABLE
#define ARMNN_NUMERIC_CAST_TESTABLE
#include <armnn/utility/IgnoreUnused.hpp>
#include <armnn/utility/PolymorphicDowncast.hpp>
#include <armnn/utility/NumericCast.hpp>
#include <armnn/Exceptions.hpp>
#include <limits>
// Tests of include/Utility files
TEST_SUITE("UtilityTests")
{
TEST_CASE("PolymorphicDowncast")
{
using namespace armnn;
class Base
{
public:
virtual ~Base(){}
float v;
};
class Child1 : public Base
{
public:
int j;
};
class Child2 : public Base
{
public:
char b;
};
Child1 child1;
Base* base1 = &child1;
auto ptr1 = dynamic_cast<Child1*>(base1);
CHECK(ptr1 != nullptr);
CHECK_NOTHROW(armnn::PolymorphicDowncast<Child1*>(base1));
CHECK(armnn::PolymorphicDowncast<Child1*>(base1) == ptr1);
auto ptr2 = dynamic_cast<Child2*>(base1);
CHECK(ptr2 == nullptr);
CHECK_THROWS_AS(armnn::PolymorphicDowncast<Child2*>(base1), std::bad_cast);
armnn::IgnoreUnused(ptr1, ptr2);
}
TEST_CASE("PolymorphicPointerDowncast_SharedPointer")
{
using namespace armnn;
class Base
{
public:
virtual ~Base(){}
float v;
};
class Child1 : public Base
{
public:
int j;
};
class Child2 : public Base
{
public:
char b;
};
std::shared_ptr<Base> base1 = std::make_shared<Child1>();
std::shared_ptr<Child1> ptr1 = std::static_pointer_cast<Child1>(base1);
CHECK(ptr1);
CHECK_NOTHROW(armnn::PolymorphicPointerDowncast<Child1>(base1));
CHECK(armnn::PolymorphicPointerDowncast<Child1>(base1) == ptr1);
auto ptr2 = std::dynamic_pointer_cast<Child2>(base1);
CHECK(!ptr2);
CHECK_THROWS_AS(armnn::PolymorphicPointerDowncast<Child2>(base1), std::bad_cast);
armnn::IgnoreUnused(ptr1, ptr2);
}
TEST_CASE("PolymorphicPointerDowncast_BuildInPointer")
{
using namespace armnn;
class Base
{
public:
virtual ~Base(){}
float v;
};
class Child1 : public Base
{
public:
int j;
};
class Child2 : public Base
{
public:
char b;
};
Child1 child1;
Base* base1 = &child1;
auto ptr1 = dynamic_cast<Child1*>(base1);
CHECK(ptr1 != nullptr);
CHECK_NOTHROW(armnn::PolymorphicPointerDowncast<Child1>(base1));
CHECK(armnn::PolymorphicPointerDowncast<Child1>(base1) == ptr1);
auto ptr2 = dynamic_cast<Child2*>(base1);
CHECK(ptr2 == nullptr);
CHECK_THROWS_AS(armnn::PolymorphicPointerDowncast<Child2>(base1), std::bad_cast);
armnn::IgnoreUnused(ptr1, ptr2);
}
TEST_CASE("NumericCast")
{
using namespace armnn;
// To 8 bit
CHECK_THROWS_AS(numeric_cast<unsigned char>(-1), std::bad_cast);
CHECK_THROWS_AS(numeric_cast<unsigned char>(1 << 8), std::bad_cast);
CHECK_THROWS_AS(numeric_cast<unsigned char>(1L << 16), std::bad_cast);
CHECK_THROWS_AS(numeric_cast<unsigned char>(1LL << 32), std::bad_cast);
CHECK_THROWS_AS(numeric_cast<signed char>((1L << 8)*-1), std::bad_cast);
CHECK_THROWS_AS(numeric_cast<signed char>((1L << 15)*-1), std::bad_cast);
CHECK_THROWS_AS(numeric_cast<signed char>((1LL << 31)*-1), std::bad_cast);
CHECK_NOTHROW(numeric_cast<unsigned char>(1U));
CHECK_NOTHROW(numeric_cast<unsigned char>(1L));
CHECK_NOTHROW(numeric_cast<signed char>(-1));
CHECK_NOTHROW(numeric_cast<signed char>(-1L));
CHECK_NOTHROW(numeric_cast<signed char>((1 << 7)*-1));
// To 16 bit
CHECK_THROWS_AS(numeric_cast<uint16_t>(-1), std::bad_cast);
CHECK_THROWS_AS(numeric_cast<uint16_t>(1L << 16), std::bad_cast);
CHECK_THROWS_AS(numeric_cast<uint16_t>(1LL << 32), std::bad_cast);
CHECK_THROWS_AS(numeric_cast<int16_t>(1L << 15), std::bad_cast);
CHECK_THROWS_AS(numeric_cast<int16_t>(1LL << 31), std::bad_cast);
CHECK_NOTHROW(numeric_cast<uint16_t>(1L << 8));
CHECK_NOTHROW(numeric_cast<int16_t>(1L << 7));
CHECK_NOTHROW(numeric_cast<int16_t>((1L << 15)*-1));
CHECK_NOTHROW(numeric_cast<int16_t>(1U << 8));
CHECK_NOTHROW(numeric_cast<int16_t>(1U << 14));
// To 32 bit
CHECK_NOTHROW(numeric_cast<uint32_t>(1));
CHECK_NOTHROW(numeric_cast<uint32_t>(1 << 8));
CHECK_NOTHROW(numeric_cast<uint32_t>(1L << 16));
CHECK_NOTHROW(numeric_cast<uint32_t>(1LL << 31));
CHECK_NOTHROW(numeric_cast<int32_t>(-1));
CHECK_NOTHROW(numeric_cast<int32_t>((1L << 8)*-1));
CHECK_NOTHROW(numeric_cast<int32_t>((1L << 16)*-1));
CHECK_NOTHROW(numeric_cast<int32_t>((1LL << 31)*-1));
CHECK_NOTHROW(numeric_cast<int32_t>(1U));
CHECK_NOTHROW(numeric_cast<int32_t>(1U << 8));
CHECK_NOTHROW(numeric_cast<int32_t>(1U << 16));
CHECK_NOTHROW(numeric_cast<int32_t>(1U << 30));
float float_max = std::numeric_limits<float>::max();
float float_min = std::numeric_limits<float>::lowest();
auto int8_max = std::numeric_limits<int8_t>::max();
auto int16_max = std::numeric_limits<int16_t>::max();
auto int32_max = std::numeric_limits<int32_t>::max();
auto int8_min = std::numeric_limits<int8_t>::lowest();
auto int16_min = std::numeric_limits<int16_t>::lowest();
auto int32_min = std::numeric_limits<int32_t>::lowest();
auto uint8_max = std::numeric_limits<uint8_t>::max();
auto uint16_max = std::numeric_limits<uint16_t>::max();
auto uint32_max = std::numeric_limits<uint32_t>::max();
auto double_max = std::numeric_limits<double>::max();
// Float to signed integer
CHECK_NOTHROW(numeric_cast<int32_t>(1.324f));
CHECK(1 == numeric_cast<int32_t>(1.324f));
CHECK_NOTHROW(numeric_cast<int32_t>(-1.0f));
CHECK(-1 == numeric_cast<int32_t>(-1.0f));
CHECK_NOTHROW(numeric_cast<int8_t>(static_cast<float>(int8_max)));
CHECK_NOTHROW(numeric_cast<int16_t>(static_cast<float>(int16_max)));
CHECK_NOTHROW(numeric_cast<int32_t>(static_cast<float>(int32_max)));
CHECK_THROWS_AS(numeric_cast<int8_t>(float_max), std::bad_cast);
CHECK_THROWS_AS(numeric_cast<int16_t>(float_max), std::bad_cast);
CHECK_THROWS_AS(numeric_cast<int32_t>(float_max), std::bad_cast);
CHECK_THROWS_AS(numeric_cast<int8_t>(float_min), std::bad_cast);
CHECK_THROWS_AS(numeric_cast<int16_t>(float_min), std::bad_cast);
CHECK_THROWS_AS(numeric_cast<int32_t>(float_min), std::bad_cast);
// Signed integer to float
CHECK_NOTHROW(numeric_cast<float>(1));
CHECK(1.0 == numeric_cast<float>(1));
CHECK_NOTHROW(numeric_cast<float>(-1));
CHECK(-1.0 == numeric_cast<float>(-1));
CHECK_NOTHROW(numeric_cast<float>(int8_max));
CHECK_NOTHROW(numeric_cast<float>(int16_max));
CHECK_NOTHROW(numeric_cast<float>(int32_max));
CHECK_NOTHROW(numeric_cast<float>(int8_min));
CHECK_NOTHROW(numeric_cast<float>(int16_min));
CHECK_NOTHROW(numeric_cast<float>(int32_min));
// Unsigned integer to float
CHECK_NOTHROW(numeric_cast<float>(1U));
CHECK(1.0 == numeric_cast<float>(1U));
CHECK_NOTHROW(numeric_cast<float>(uint8_max));
CHECK_NOTHROW(numeric_cast<float>(uint16_max));
CHECK_NOTHROW(numeric_cast<float>(uint32_max));
// Float to unsigned integer
CHECK_NOTHROW(numeric_cast<uint32_t>(1.43243f));
CHECK(1 == numeric_cast<uint32_t>(1.43243f));
CHECK_THROWS_AS(numeric_cast<uint32_t>(-1.1f), std::bad_cast);
CHECK_THROWS_AS(numeric_cast<uint32_t>(float_max), std::bad_cast);
// Double checks
CHECK_THROWS_AS(numeric_cast<int32_t>(double_max), std::bad_cast);
CHECK_THROWS_AS(numeric_cast<int32_t>(double_max), std::bad_cast);
CHECK_THROWS_AS(numeric_cast<float>(double_max), std::bad_cast);
CHECK_NOTHROW(numeric_cast<double>(int32_max));
CHECK_NOTHROW(numeric_cast<long double>(int32_max));
}
}
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