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//
// Copyright © 2020 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include <boost/test/unit_test.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/polymorphic_cast.hpp>
#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>
// Tests of include/Utility files
BOOST_AUTO_TEST_SUITE(UtilityTests)
BOOST_AUTO_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);
BOOST_CHECK(ptr1 != nullptr);
BOOST_CHECK_NO_THROW(armnn::PolymorphicDowncast<Child1*>(base1));
BOOST_CHECK(armnn::PolymorphicDowncast<Child1*>(base1) == ptr1);
auto ptr2 = dynamic_cast<Child2*>(base1);
BOOST_CHECK(ptr2 == nullptr);
BOOST_CHECK_THROW(armnn::PolymorphicDowncast<Child2*>(base1), std::bad_cast);
armnn::IgnoreUnused(ptr1, ptr2);
}
BOOST_AUTO_TEST_CASE(NumericCast)
{
using namespace armnn;
// To 8 bit
BOOST_CHECK_THROW(numeric_cast<unsigned char>(-1), std::bad_cast);
BOOST_CHECK_THROW(numeric_cast<unsigned char>(1 << 8), std::bad_cast);
BOOST_CHECK_THROW(numeric_cast<unsigned char>(1L << 16), std::bad_cast);
BOOST_CHECK_THROW(numeric_cast<unsigned char>(1LL << 32), std::bad_cast);
BOOST_CHECK_THROW(numeric_cast<signed char>((1L << 8)*-1), std::bad_cast);
BOOST_CHECK_THROW(numeric_cast<signed char>((1L << 15)*-1), std::bad_cast);
BOOST_CHECK_THROW(numeric_cast<signed char>((1LL << 31)*-1), std::bad_cast);
BOOST_CHECK_NO_THROW(numeric_cast<unsigned char>(1U));
BOOST_CHECK_NO_THROW(numeric_cast<unsigned char>(1L));
BOOST_CHECK_NO_THROW(numeric_cast<signed char>(-1));
BOOST_CHECK_NO_THROW(numeric_cast<signed char>(-1L));
BOOST_CHECK_NO_THROW(numeric_cast<signed char>((1 << 7)*-1));
// To 16 bit
BOOST_CHECK_THROW(numeric_cast<uint16_t>(-1), std::bad_cast);
BOOST_CHECK_THROW(numeric_cast<uint16_t>(1L << 16), std::bad_cast);
BOOST_CHECK_THROW(numeric_cast<uint16_t>(1LL << 32), std::bad_cast);
BOOST_CHECK_THROW(numeric_cast<int16_t>(1L << 15), std::bad_cast);
BOOST_CHECK_THROW(numeric_cast<int16_t>(1LL << 31), std::bad_cast);
BOOST_CHECK_NO_THROW(numeric_cast<uint16_t>(1L << 8));
BOOST_CHECK_NO_THROW(numeric_cast<int16_t>(1L << 7));
BOOST_CHECK_NO_THROW(numeric_cast<int16_t>((1L << 15)*-1));
// To 32 bit
BOOST_CHECK_NO_THROW(numeric_cast<uint32_t>(1));
BOOST_CHECK_NO_THROW(numeric_cast<uint32_t>(1 << 8));
BOOST_CHECK_NO_THROW(numeric_cast<uint32_t>(1L << 16));
BOOST_CHECK_NO_THROW(numeric_cast<uint32_t>(1LL << 31));
BOOST_CHECK_NO_THROW(numeric_cast<int32_t>(-1));
BOOST_CHECK_NO_THROW(numeric_cast<int32_t>((1L << 8)*-1));
BOOST_CHECK_NO_THROW(numeric_cast<int32_t>((1L << 16)*-1));
BOOST_CHECK_NO_THROW(numeric_cast<int32_t>((1LL << 31)*-1));
}
BOOST_AUTO_TEST_SUITE_END()
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