119 lines
4.0 KiB
C++
119 lines
4.0 KiB
C++
/*
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* Copyright (c) 2019-2020 Arm Limited.
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*
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* SPDX-License-Identifier: MIT
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "arm_compute/core/GPUTarget.h"
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#include "arm_compute/core/utils/math/SafeOps.h"
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#include "tests/AssetsLibrary.h"
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#include "tests/Globals.h"
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#include "tests/Utils.h"
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#include "tests/framework/Asserts.h"
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#include "tests/framework/Macros.h"
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namespace arm_compute
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{
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namespace test
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{
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namespace validation
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{
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TEST_SUITE(UNIT)
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TEST_SUITE(SafeIntegerOps)
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TEST_CASE(IntegerOverflowAdd, framework::DatasetMode::ALL)
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{
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int32_t val_a = 0x7FFFFFFF;
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int32_t val_b = 0xFF;
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int32_t result = utils::math::safe_integer_add(val_a, val_b);
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// Check overflow
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ARM_COMPUTE_EXPECT(result == std::numeric_limits<int32_t>::max(), framework::LogLevel::ERRORS);
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val_a = 0x8000FC24;
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val_b = 0x80000024;
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result = utils::math::safe_integer_add(val_a, val_b);
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// Check underflow
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ARM_COMPUTE_EXPECT(result == std::numeric_limits<int32_t>::min(), framework::LogLevel::ERRORS);
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}
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TEST_CASE(IntegerOverflowSub, framework::DatasetMode::ALL)
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{
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int32_t val_a = 0x7FFFFFFF;
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int32_t val_b = 0x8000FC24;
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int32_t result = utils::math::safe_integer_sub(val_a, val_b);
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// Check overflow
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ARM_COMPUTE_EXPECT(result == std::numeric_limits<int32_t>::max(), framework::LogLevel::ERRORS);
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val_a = 0x80000024;
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val_b = 0x7FFFFFFF;
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result = utils::math::safe_integer_sub(val_a, val_b);
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// Check underflow
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ARM_COMPUTE_EXPECT(result == std::numeric_limits<int32_t>::min(), framework::LogLevel::ERRORS);
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}
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TEST_CASE(IntegerOverflowMul, framework::DatasetMode::ALL)
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{
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int32_t val_a = 0xFFFFFFFF;
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int32_t val_b = 0x80000000;
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int32_t result = utils::math::safe_integer_mul(val_a, val_b);
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// Check overflow with -1
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ARM_COMPUTE_EXPECT(result == std::numeric_limits<int32_t>::min(), framework::LogLevel::ERRORS);
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val_a = 0x80000000;
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val_b = 0xFFFFFFFF;
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result = utils::math::safe_integer_mul(val_a, val_b);
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// Check overflow with -1
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ARM_COMPUTE_EXPECT(result == std::numeric_limits<int32_t>::min(), framework::LogLevel::ERRORS);
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// Check overflow
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val_a = 0x7000FC24;
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val_b = 0x70000024;
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result = utils::math::safe_integer_mul(val_a, val_b);
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ARM_COMPUTE_EXPECT(result == std::numeric_limits<int32_t>::max(), framework::LogLevel::ERRORS);
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// Check underflow
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val_a = 0x7000FC24;
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val_b = 0xF0000024;
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result = utils::math::safe_integer_mul(val_a, val_b);
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ARM_COMPUTE_EXPECT(result == std::numeric_limits<int32_t>::min(), framework::LogLevel::ERRORS);
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}
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TEST_CASE(IntegerOverflowDiv, framework::DatasetMode::ALL)
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{
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int32_t val_a = std::numeric_limits<int32_t>::min();
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int32_t val_b = 0xFFFFFFFF;
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int32_t result = utils::math::safe_integer_div(val_a, val_b);
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// Check overflow
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ARM_COMPUTE_EXPECT(result == std::numeric_limits<int32_t>::min(), framework::LogLevel::ERRORS);
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}
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TEST_SUITE_END() // SafeIntegerOps
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TEST_SUITE_END() // UNIT
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} // namespace validation
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} // namespace test
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} // namespace arm_compute
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