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/*
* Copyright (c) 2019 ARM Limited.
*
* SPDX-License-Identifier: MIT
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include "arm_compute/core/GPUTarget.h"
#include "arm_compute/core/utils/math/SafeOps.h"
#include "support/ToolchainSupport.h"
#include "tests/AssetsLibrary.h"
#include "tests/Globals.h"
#include "tests/Utils.h"
#include "tests/framework/Asserts.h"
#include "tests/framework/Macros.h"
namespace arm_compute
{
namespace test
{
namespace validation
{
TEST_SUITE(UNIT)
TEST_SUITE(SafeIntegerOps)
TEST_CASE(IntegerOverflowAdd, framework::DatasetMode::ALL)
{
int32_t val_a = 0x7FFFFFFF;
int32_t val_b = 0xFF;
int32_t result = utils::math::safe_integer_add(val_a, val_b);
// Check overflow
ARM_COMPUTE_EXPECT(result == std::numeric_limits<int32_t>::max(), framework::LogLevel::ERRORS);
val_a = 0x8000FC24;
val_b = 0x80000024;
result = utils::math::safe_integer_add(val_a, val_b);
// Check underflow
ARM_COMPUTE_EXPECT(result == std::numeric_limits<int32_t>::min(), framework::LogLevel::ERRORS);
}
TEST_CASE(IntegerOverflowSub, framework::DatasetMode::ALL)
{
int32_t val_a = 0x7FFFFFFF;
int32_t val_b = 0x8000FC24;
int32_t result = utils::math::safe_integer_sub(val_a, val_b);
// Check overflow
ARM_COMPUTE_EXPECT(result == std::numeric_limits<int32_t>::max(), framework::LogLevel::ERRORS);
val_a = 0x80000024;
val_b = 0x7FFFFFFF;
result = utils::math::safe_integer_sub(val_a, val_b);
// Check underflow
ARM_COMPUTE_EXPECT(result == std::numeric_limits<int32_t>::min(), framework::LogLevel::ERRORS);
}
TEST_CASE(IntegerOverflowMul, framework::DatasetMode::ALL)
{
int32_t val_a = 0xFFFFFFFF;
int32_t val_b = 0x80000000;
int32_t result = utils::math::safe_integer_mul(val_a, val_b);
// Check overflow with -1
ARM_COMPUTE_EXPECT(result == std::numeric_limits<int32_t>::min(), framework::LogLevel::ERRORS);
val_a = 0x80000000;
val_b = 0xFFFFFFFF;
result = utils::math::safe_integer_mul(val_a, val_b);
// Check overflow with -1
ARM_COMPUTE_EXPECT(result == std::numeric_limits<int32_t>::min(), framework::LogLevel::ERRORS);
// Check overflow
val_a = 0x7000FC24;
val_b = 0x70000024;
result = utils::math::safe_integer_mul(val_a, val_b);
ARM_COMPUTE_EXPECT(result == std::numeric_limits<int32_t>::max(), framework::LogLevel::ERRORS);
// Check underflow
val_a = 0x7000FC24;
val_b = 0xF0000024;
result = utils::math::safe_integer_mul(val_a, val_b);
ARM_COMPUTE_EXPECT(result == std::numeric_limits<int32_t>::min(), framework::LogLevel::ERRORS);
}
TEST_CASE(IntegerOverflowDiv, framework::DatasetMode::ALL)
{
int32_t val_a = std::numeric_limits<int32_t>::min();
int32_t val_b = 0xFFFFFFFF;
int32_t result = utils::math::safe_integer_div(val_a, val_b);
// Check overflow
ARM_COMPUTE_EXPECT(result == std::numeric_limits<int32_t>::min(), framework::LogLevel::ERRORS);
}
TEST_SUITE_END() // SafeIntegerOps
TEST_SUITE_END() // UNIT
} // namespace validation
} // namespace test
} // namespace arm_compute
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