106 lines
7.1 KiB
C++
106 lines
7.1 KiB
C++
/******************************************************************************
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The MIT License(MIT)
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Embedded Template Library.
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https://github.com/ETLCPP/etl
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https://www.etlcpp.com
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Copyright(c) 2014 John Wellbelove
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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 deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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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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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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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 "unit_test_framework.h"
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#include <limits>
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#include <type_traits>
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#include <bitset>
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#include "etl/integral_limits.h"
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namespace
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{
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SUITE(test_integral_limits)
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{
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//*************************************************************************
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TEST(test_min)
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{
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CHECK_EQUAL(std::numeric_limits<char>::min(), etl::integral_limits<char>::min);
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CHECK_EQUAL(std::numeric_limits<signed char>::min(), (signed char)etl::integral_limits<signed char>::min);
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CHECK_EQUAL(std::numeric_limits<unsigned char>::min(), (unsigned char)etl::integral_limits<unsigned char>::min);
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CHECK_EQUAL(std::numeric_limits<short>::min(), (short)etl::integral_limits<short>::min);
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CHECK_EQUAL(std::numeric_limits<unsigned short>::min(), (unsigned short)etl::integral_limits<unsigned short>::min);
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CHECK_EQUAL(std::numeric_limits<int>::min(), (int)etl::integral_limits<int>::min);
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CHECK_EQUAL(std::numeric_limits<unsigned int>::min(), (unsigned int)etl::integral_limits<unsigned int>::min);
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CHECK_EQUAL(std::numeric_limits<long>::min(), (long)etl::integral_limits<long>::min);
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CHECK_EQUAL(std::numeric_limits<unsigned long>::min(), (unsigned long)etl::integral_limits<unsigned long>::min);
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CHECK_EQUAL(std::numeric_limits<long long>::min(), (long long)etl::integral_limits<long long>::min);
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CHECK_EQUAL(std::numeric_limits<unsigned long long>::min(), (unsigned long long)etl::integral_limits<unsigned long long>::min);
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}
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//*************************************************************************
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TEST(test_max)
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{
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CHECK_EQUAL(std::numeric_limits<char>::max(), (char)etl::integral_limits<char>::max);
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CHECK_EQUAL(std::numeric_limits<signed char>::max(), (signed char)etl::integral_limits<signed char>::max);
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CHECK_EQUAL(std::numeric_limits<unsigned char>::max(), (unsigned char)etl::integral_limits<unsigned char>::max);
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CHECK_EQUAL(std::numeric_limits<short>::max(), (short)etl::integral_limits<short>::max);
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CHECK_EQUAL(std::numeric_limits<unsigned short>::max(), (unsigned short)etl::integral_limits<unsigned short>::max);
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CHECK_EQUAL(std::numeric_limits<int>::max(), (int)etl::integral_limits<int>::max);
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CHECK_EQUAL(std::numeric_limits<unsigned int>::max(), (unsigned int)etl::integral_limits<unsigned int>::max);
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CHECK_EQUAL(std::numeric_limits<long>::max(), (long)etl::integral_limits<long>::max);
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CHECK_EQUAL(std::numeric_limits<unsigned long>::max(), (unsigned long)etl::integral_limits<unsigned long>::max);
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CHECK_EQUAL(std::numeric_limits<long long>::max(), (long long)etl::integral_limits<long long>::max);
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CHECK_EQUAL(std::numeric_limits<unsigned long long>::max(), (unsigned long long)etl::integral_limits<unsigned long long>::max);
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}
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//*************************************************************************
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TEST(test_bits)
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{
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CHECK_EQUAL(std::numeric_limits<std::make_unsigned<char>::type>::digits, (int)etl::integral_limits<char>::bits);
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CHECK_EQUAL(std::numeric_limits<std::make_unsigned<signed char>::type>::digits, (int)etl::integral_limits<signed char>::bits);
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CHECK_EQUAL(std::numeric_limits<unsigned char>::digits, (int)etl::integral_limits<unsigned char>::bits);
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CHECK_EQUAL(std::numeric_limits<std::make_unsigned<short>::type>::digits, (int)etl::integral_limits<short>::bits);
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CHECK_EQUAL(std::numeric_limits<unsigned short>::digits, (int)etl::integral_limits<unsigned short>::bits);
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CHECK_EQUAL(std::numeric_limits<std::make_unsigned<int>::type>::digits, (int)etl::integral_limits<int>::bits);
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CHECK_EQUAL(std::numeric_limits<unsigned int>::digits, (int)etl::integral_limits<unsigned int>::bits);
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CHECK_EQUAL(std::numeric_limits<std::make_unsigned<long>::type>::digits, (int)etl::integral_limits<long>::bits);
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CHECK_EQUAL(std::numeric_limits<unsigned long>::digits, (int)etl::integral_limits<unsigned long>::bits);
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CHECK_EQUAL(std::numeric_limits<std::make_unsigned<long long>::type>::digits, (int)etl::integral_limits<long long>::bits);
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CHECK_EQUAL(std::numeric_limits<unsigned long long>::digits, (int)etl::integral_limits<unsigned long long>::bits);
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}
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//*************************************************************************
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TEST(test_is_signed)
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{
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CHECK_EQUAL(std::numeric_limits<char>::is_signed, (bool)etl::integral_limits<char>::is_signed);
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CHECK_EQUAL(std::numeric_limits<signed char>::is_signed, (bool)etl::integral_limits<signed char>::is_signed);
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CHECK_EQUAL(std::numeric_limits<unsigned char>::is_signed, (bool)etl::integral_limits<unsigned char>::is_signed);
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CHECK_EQUAL(std::numeric_limits<short>::is_signed, (bool)etl::integral_limits<short>::is_signed);
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CHECK_EQUAL(std::numeric_limits<unsigned short>::is_signed, (bool)etl::integral_limits<unsigned short>::is_signed);
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CHECK_EQUAL(std::numeric_limits<int>::is_signed, (bool)etl::integral_limits<int>::is_signed);
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CHECK_EQUAL(std::numeric_limits<unsigned int>::is_signed, (bool)etl::integral_limits<unsigned int>::is_signed);
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CHECK_EQUAL(std::numeric_limits<long>::is_signed, (bool)etl::integral_limits<long>::is_signed);
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CHECK_EQUAL(std::numeric_limits<unsigned long>::is_signed, (bool)etl::integral_limits<unsigned long>::is_signed);
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CHECK_EQUAL(std::numeric_limits<long long>::is_signed, (bool)etl::integral_limits<long long>::is_signed);
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CHECK_EQUAL(std::numeric_limits<unsigned long long>::is_signed, (bool)etl::integral_limits<unsigned long long>::is_signed);
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}
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};
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}
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