461 lines
15 KiB
C++
461 lines
15 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 "etl/smallest.h"
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#include <type_traits>
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namespace
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{
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SUITE(test_smallest)
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{
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//*************************************************************************
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TEST(test_pod)
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{
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size_t size;
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bool type;
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size = etl::smallest_type<char, short, int>::size;
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type = etl::is_same<char, etl::smallest_type<char, short, int>::type>::value;
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CHECK_EQUAL(sizeof(char), size);
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CHECK(type);
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size = etl::smallest_type<int, char, short>::size;
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type = etl::is_same<char, etl::smallest_type<char, short, int>::type>::value;
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CHECK_EQUAL(sizeof(char), size);
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CHECK(type);
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}
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//*************************************************************************
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TEST(test_pod_vt)
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{
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size_t size;
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bool type;
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#if ETL_USING_CPP17
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size = etl::smallest_type_v<char, short, int>;
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CHECK_EQUAL(sizeof(char), size);
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#endif
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type = etl::is_same<char, etl::smallest_type_t<char, short, int>>::value;
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CHECK(type);
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size = etl::smallest_type<int, char, short>::size;
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CHECK_EQUAL(sizeof(char), size);
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type = etl::is_same<char, etl::smallest_type<char, short, int>::type>::value;
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CHECK(type);
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}
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//*************************************************************************
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TEST(test_non_pod)
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{
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size_t size;
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bool type;
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struct S1 { char a; char b; char c; };
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struct S2 { char a; short b; char c; };
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struct S3 { int a; short b; char c; };
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size = etl::smallest_type<S1, S2, S3>::size;
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type = etl::is_same<S1, etl::smallest_type<S1, S2, S3>::type>::value;
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CHECK_EQUAL(sizeof(S1), size);
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CHECK(type);
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size = etl::smallest_type<S2, S3, S1>::size;
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type = etl::is_same<S1, etl::smallest_type<S2, S3, S1>::type>::value;
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CHECK_EQUAL(sizeof(S1), size);
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CHECK(type);
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}
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//*************************************************************************
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TEST(test_non_pod_vt)
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{
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bool type;
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struct S1 { char a; char b; char c; };
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struct S2 { char a; short b; char c; };
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struct S3 { int a; short b; char c; };
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#if ETL_USING_CPP17
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size_t size;
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size = etl::smallest_type_v<S1, S2, S3>;
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CHECK_EQUAL(sizeof(S1), size);
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#endif
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type = etl::is_same<S1, etl::smallest_type_t<S1, S2, S3>>::value;
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CHECK(type);
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#if ETL_USING_CPP17
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size = etl::smallest_type_v<S2, S3, S1>;
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CHECK_EQUAL(sizeof(S1), size);
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#endif
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type = etl::is_same<S1, etl::smallest_type_t<S2, S3, S1>>::value;
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CHECK(type);
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}
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//*************************************************************************
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TEST(test_smallest_uint_for_bits)
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{
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bool type;
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type = etl::is_same<uint_least8_t, etl::smallest_uint_for_bits<7>::type>::value;
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CHECK(type);
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type = etl::is_same<uint_least8_t, etl::smallest_uint_for_bits<8>::type>::value;
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CHECK(type);
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type = etl::is_same<uint_least16_t, etl::smallest_uint_for_bits<9>::type>::value;
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CHECK(type);
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type = etl::is_same<uint_least16_t, etl::smallest_uint_for_bits<15>::type>::value;
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CHECK(type);
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type = etl::is_same<uint_least16_t, etl::smallest_uint_for_bits<16>::type>::value;
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CHECK(type);
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type = etl::is_same<uint_least32_t, etl::smallest_uint_for_bits<17>::type>::value;
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CHECK(type);
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type = etl::is_same<uint_least32_t, etl::smallest_uint_for_bits<31>::type>::value;
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CHECK(type);
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type = etl::is_same<uint_least32_t, etl::smallest_uint_for_bits<32>::type>::value;
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CHECK(type);
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type = etl::is_same<uint_least64_t, etl::smallest_uint_for_bits<33>::type>::value;
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CHECK(type);
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type = etl::is_same<uint_least64_t, etl::smallest_uint_for_bits<63>::type>::value;
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CHECK(type);
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type = etl::is_same<uint_least64_t, etl::smallest_uint_for_bits<64>::type>::value;
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CHECK(type);
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type = etl::is_same<uint_least64_t, etl::smallest_uint_for_bits<65>::type>::value;
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CHECK(type);
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}
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//*************************************************************************
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TEST(test_smallest_uint_for_bits_t)
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{
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bool type;
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type = etl::is_same<uint_least8_t, etl::smallest_uint_for_bits_t<7>>::value;
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CHECK(type);
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type = etl::is_same<uint_least8_t, etl::smallest_uint_for_bits_t<8>>::value;
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CHECK(type);
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type = etl::is_same<uint_least16_t, etl::smallest_uint_for_bits_t<9>>::value;
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CHECK(type);
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type = etl::is_same<uint_least16_t, etl::smallest_uint_for_bits_t<15>>::value;
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CHECK(type);
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type = etl::is_same<uint_least16_t, etl::smallest_uint_for_bits_t<16>>::value;
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CHECK(type);
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type = etl::is_same<uint_least32_t, etl::smallest_uint_for_bits_t<17>>::value;
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CHECK(type);
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type = etl::is_same<uint_least32_t, etl::smallest_uint_for_bits_t<31>>::value;
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CHECK(type);
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type = etl::is_same<uint_least32_t, etl::smallest_uint_for_bits_t<32>>::value;
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CHECK(type);
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type = etl::is_same<uint_least64_t, etl::smallest_uint_for_bits_t<33>>::value;
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CHECK(type);
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type = etl::is_same<uint_least64_t, etl::smallest_uint_for_bits_t<63>>::value;
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CHECK(type);
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type = etl::is_same<uint_least64_t, etl::smallest_uint_for_bits_t<64>>::value;
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CHECK(type);
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type = etl::is_same<uint_least64_t, etl::smallest_uint_for_bits_t<65>>::value;
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CHECK(type);
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}
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//*************************************************************************
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TEST(test_smallest_int_for_bits)
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{
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bool type;
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type = etl::is_same<int_least8_t, etl::smallest_int_for_bits<7>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least8_t, etl::smallest_int_for_bits<8>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least16_t, etl::smallest_int_for_bits<9>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least16_t, etl::smallest_int_for_bits<15>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least16_t, etl::smallest_int_for_bits<16>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least32_t, etl::smallest_int_for_bits<17>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least32_t, etl::smallest_int_for_bits<31>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least32_t, etl::smallest_int_for_bits<32>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least64_t, etl::smallest_int_for_bits<33>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least64_t, etl::smallest_int_for_bits<63>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least64_t, etl::smallest_int_for_bits<64>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least64_t, etl::smallest_int_for_bits<65>::type>::value;
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CHECK(type);
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}
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//*************************************************************************
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TEST(test_smallest_int_for_bits_t)
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{
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bool type;
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type = etl::is_same<int_least8_t, etl::smallest_int_for_bits_t<7>>::value;
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CHECK(type);
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type = etl::is_same<int_least8_t, etl::smallest_int_for_bits_t<8>>::value;
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CHECK(type);
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type = etl::is_same<int_least16_t, etl::smallest_int_for_bits_t<9>>::value;
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CHECK(type);
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type = etl::is_same<int_least16_t, etl::smallest_int_for_bits_t<15>>::value;
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CHECK(type);
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type = etl::is_same<int_least16_t, etl::smallest_int_for_bits_t<16>>::value;
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CHECK(type);
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type = etl::is_same<int_least32_t, etl::smallest_int_for_bits_t<17>>::value;
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CHECK(type);
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type = etl::is_same<int_least32_t, etl::smallest_int_for_bits_t<31>>::value;
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CHECK(type);
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type = etl::is_same<int_least32_t, etl::smallest_int_for_bits_t<32>>::value;
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CHECK(type);
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type = etl::is_same<int_least64_t, etl::smallest_int_for_bits_t<33>>::value;
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CHECK(type);
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type = etl::is_same<int_least64_t, etl::smallest_int_for_bits_t<63>>::value;
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CHECK(type);
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type = etl::is_same<int_least64_t, etl::smallest_int_for_bits_t<64>>::value;
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CHECK(type);
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type = etl::is_same<int_least64_t, etl::smallest_int_for_bits_t<65>>::value;
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CHECK(type);
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}
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//*************************************************************************
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TEST(test_smallest_uint_for_value)
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{
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bool type;
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type = etl::is_same<uint_least8_t, etl::smallest_uint_for_value<0>::type>::value;
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CHECK(type);
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type = etl::is_same<uint_least8_t, etl::smallest_uint_for_value<UINT8_MAX>::type>::value;
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CHECK(type);
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type = etl::is_same<uint_least16_t, etl::smallest_uint_for_value<UINT8_MAX + 1>::type>::value;
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CHECK(type);
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type = etl::is_same<uint_least16_t, etl::smallest_uint_for_value<UINT16_MAX>::type>::value;
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CHECK(type);
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type = etl::is_same<uint_least32_t, etl::smallest_uint_for_value<UINT16_MAX + 1>::type>::value;
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CHECK(type);
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type = etl::is_same<uint_least32_t, etl::smallest_uint_for_value<UINT32_MAX>::type>::value;
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CHECK(type);
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type = etl::is_same<uint_least64_t, etl::smallest_uint_for_value<uint64_t(UINT32_MAX) + 1>::type>::value;
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CHECK(type);
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type = etl::is_same<uint_least64_t, etl::smallest_uint_for_value<UINT64_MAX>::type>::value;
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CHECK(type);
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}
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//*************************************************************************
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TEST(test_smallest_uint_for_value_t)
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{
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bool type;
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type = etl::is_same<uint_least8_t, etl::smallest_uint_for_value_t<0>>::value;
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CHECK(type);
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type = etl::is_same<uint_least8_t, etl::smallest_uint_for_value_t<UINT8_MAX>>::value;
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CHECK(type);
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type = etl::is_same<uint_least16_t, etl::smallest_uint_for_value_t<UINT8_MAX + 1>>::value;
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CHECK(type);
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type = etl::is_same<uint_least16_t, etl::smallest_uint_for_value_t<UINT16_MAX>>::value;
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CHECK(type);
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type = etl::is_same<uint_least32_t, etl::smallest_uint_for_value_t<UINT16_MAX + 1>>::value;
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CHECK(type);
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type = etl::is_same<uint_least32_t, etl::smallest_uint_for_value_t<UINT32_MAX>>::value;
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CHECK(type);
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type = etl::is_same<uint_least64_t, etl::smallest_uint_for_value_t<uint64_t(UINT32_MAX) + 1>>::value;
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CHECK(type);
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type = etl::is_same<uint_least64_t, etl::smallest_uint_for_value_t<UINT64_MAX>>::value;
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CHECK(type);
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}
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//*************************************************************************
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TEST(test_smallest_int_for_value)
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{
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bool type;
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type = etl::is_same<int_least8_t, etl::smallest_int_for_value<0>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least8_t, etl::smallest_int_for_value<INT8_MIN>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least8_t, etl::smallest_int_for_value<INT8_MAX>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least16_t, etl::smallest_int_for_value<INT8_MIN - 1>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least16_t, etl::smallest_int_for_value<INT8_MAX + 1>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least16_t, etl::smallest_int_for_value<INT16_MIN>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least16_t, etl::smallest_int_for_value<INT16_MAX>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least32_t, etl::smallest_int_for_value<INT16_MIN - 1>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least32_t, etl::smallest_int_for_value<INT16_MAX + 1>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least32_t, etl::smallest_int_for_value<INT32_MIN>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least32_t, etl::smallest_int_for_value<INT32_MAX>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least64_t, etl::smallest_int_for_value<intmax_t(INT32_MIN) - 1>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least64_t, etl::smallest_int_for_value<intmax_t(INT32_MAX) + 1>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least64_t, etl::smallest_int_for_value<INT64_MIN>::type>::value;
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CHECK(type);
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type = etl::is_same<int_least64_t, etl::smallest_int_for_value<INT64_MAX>::type>::value;
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CHECK(type);
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}
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//*************************************************************************
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TEST(test_smallest_int_for_value_t)
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{
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bool type;
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type = etl::is_same<int_least8_t, etl::smallest_int_for_value_t<0>>::value;
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CHECK(type);
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type = etl::is_same<int_least8_t, etl::smallest_int_for_value_t<INT8_MIN>>::value;
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CHECK(type);
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type = etl::is_same<int_least8_t, etl::smallest_int_for_value_t<INT8_MAX>>::value;
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CHECK(type);
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type = etl::is_same<int_least16_t, etl::smallest_int_for_value_t<INT8_MIN - 1>>::value;
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CHECK(type);
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type = etl::is_same<int_least16_t, etl::smallest_int_for_value_t<INT8_MAX + 1>>::value;
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CHECK(type);
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type = etl::is_same<int_least16_t, etl::smallest_int_for_value_t<INT16_MIN>>::value;
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CHECK(type);
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type = etl::is_same<int_least16_t, etl::smallest_int_for_value_t<INT16_MAX>>::value;
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CHECK(type);
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type = etl::is_same<int_least32_t, etl::smallest_int_for_value_t<INT16_MIN - 1>>::value;
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CHECK(type);
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type = etl::is_same<int_least32_t, etl::smallest_int_for_value_t<INT16_MAX + 1>>::value;
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CHECK(type);
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type = etl::is_same<int_least32_t, etl::smallest_int_for_value_t<INT32_MIN>>::value;
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CHECK(type);
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type = etl::is_same<int_least32_t, etl::smallest_int_for_value_t<INT32_MAX>>::value;
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CHECK(type);
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type = etl::is_same<int_least64_t, etl::smallest_int_for_value_t<intmax_t(INT32_MIN) - 1>>::value;
|
|
CHECK(type);
|
|
|
|
type = etl::is_same<int_least64_t, etl::smallest_int_for_value_t<intmax_t(INT32_MAX) + 1>>::value;
|
|
CHECK(type);
|
|
|
|
type = etl::is_same<int_least64_t, etl::smallest_int_for_value_t<INT64_MIN>>::value;
|
|
CHECK(type);
|
|
|
|
type = etl::is_same<int_least64_t, etl::smallest_int_for_value_t<INT64_MAX>>::value;
|
|
CHECK(type);
|
|
}
|
|
};
|
|
}
|