2018-07-24 09:11:53 +00:00
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/* Copyright 2016-2018 Michele Santullo
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2018-07-21 22:32:27 +00:00
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* This file is part of "duckhandy".
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*
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* "duckhandy" is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* "duckhandy" is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with "duckhandy". If not, see <http://www.gnu.org/licenses/>.
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*/
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2018-07-29 09:59:49 +00:00
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#include "catch2/catch.hpp"
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2018-07-21 22:32:27 +00:00
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#include "duckhandy/int_conv.hpp"
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#include "duckhandy/string_bt.hpp"
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#include "sprout/cstring/strlen.hpp"
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2018-07-29 10:09:51 +00:00
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#include "sprout/preprocessor/comma.hpp"
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2018-07-21 22:32:27 +00:00
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#include <cstdint>
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2018-07-29 10:17:59 +00:00
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#include <random>
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#include <string>
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2018-07-21 22:32:27 +00:00
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template <typename T> using int_info_10 = dhandy::implem::int_info<T, 10>;
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template <typename T> using int_info_16 = dhandy::implem::int_info<T, 16>;
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template <typename T> using int_info_2 = dhandy::implem::int_info<T, 2>;
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2018-07-24 23:10:33 +00:00
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namespace {
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template <typename T, unsigned int Base>
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void AryConversionTestHelper (const std::string_view& s, T expected) {
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using AryConversion = dhandy::implem::AryConversion<T, Base, dhandy::ASCIITranslator<char>>;
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CHECK(AryConversion::from_ary(s.data(), s.data() + s.size()) == expected);
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}
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} //unnamed namespace
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2018-07-21 22:32:27 +00:00
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TEST_CASE ("Check int to char array conversions", "[s2i][int_conv]") {
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using dhandy::int_to_ary;
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using dhandy::bt::string;
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using dhandy::bt::make_string;
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using sprout::strlen;
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CHECK(int_info_10<uint8_t>::max_len == 3);
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CHECK(int_info_10<uint16_t>::max_len == 5);
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CHECK(int_info_10<uint32_t>::max_len == 10);
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CHECK(int_info_10<int8_t>::max_len == 4);
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CHECK(int_info_10<int16_t>::max_len == 6);
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CHECK(int_info_10<int32_t>::max_len == 11);
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CHECK(int_info_16<uint8_t>::max_len == 2);
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CHECK(int_info_16<uint16_t>::max_len == 4);
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CHECK(int_info_16<uint32_t>::max_len == 8);
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CHECK(int_info_16<int8_t>::max_len == 2);
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CHECK(int_info_16<int16_t>::max_len == 4);
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CHECK(int_info_16<int32_t>::max_len == 8);
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CHECK(int_info_2<uint8_t>::max_len == 8);
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CHECK(int_info_2<uint16_t>::max_len == 16);
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CHECK(int_info_2<uint32_t>::max_len == 32);
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CHECK(int_info_2<int8_t>::max_len == 8);
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CHECK(int_info_2<int16_t>::max_len == 16);
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CHECK(int_info_2<int32_t>::max_len == 32);
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static_assert(int_to_ary(5)[0] == '5', "Algorithm error");
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static_assert(string<strlen(int_to_ary(10).data()) + 1>(int_to_ary(10).data()) == make_string("10"), "Algorithm error");
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static_assert(string<strlen(int_to_ary(101).data()) + 1>(int_to_ary(101).data()) == make_string("101"), "Algorithm error");
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static_assert(string<strlen(int_to_ary<uint16_t>(0xAB12).data()) + 1>(int_to_ary<uint16_t>(0xAB12).data()) == make_string("43794"), "Algorithm error");
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static_assert(int_info_10<int16_t>::is_signed == true, "Wrong sign detection");
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static_assert(string<strlen(int_to_ary<int16_t>(0xAB12).data()) + 1>(int_to_ary<int16_t>(0xAB12).data()) == make_string("-21742"), "Algorithm error");
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2018-07-29 10:09:51 +00:00
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CHECK(int_to_ary<int64_t>(0x123456789A) == "78187493530");
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CHECK(int_to_ary<int64_t>(-1) == "-1");
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CHECK(int_to_ary<int64_t>(0x1000000000000000) == "1152921504606846976");
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CHECK(int_to_ary<int64_t>(0xF000000000000000) == "-1152921504606846976");
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2018-07-21 22:32:27 +00:00
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2018-07-29 10:09:51 +00:00
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CHECK(int_to_ary<uint16_t SPROUT_PP_COMMA() 16>(0xFFFF) == "ffff");
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CHECK(int_to_ary<uint16_t SPROUT_PP_COMMA() 16>(0xCACA) == "caca");
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CHECK(int_to_ary<uint16_t SPROUT_PP_COMMA() 16>(0x10) == "10");
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CHECK(int_to_ary<int16_t SPROUT_PP_COMMA() 16>(0x10) == "10");
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CHECK(int_to_ary<int16_t SPROUT_PP_COMMA() 16>(0xF000) == "f000");
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CHECK(int_to_ary<uint16_t SPROUT_PP_COMMA() 16>(0xFEFE) == "fefe");
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CHECK(int_to_ary<int16_t SPROUT_PP_COMMA() 16>(0xFEFE) == "fefe");
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CHECK(int_to_ary<uint32_t SPROUT_PP_COMMA() 8>(0423) == "423");
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CHECK(int_to_ary<uint32_t SPROUT_PP_COMMA() 8>(0777) == "777");
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CHECK(int_to_ary<int32_t SPROUT_PP_COMMA() 8>(0) == "0");
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CHECK(int_to_ary<uint32_t SPROUT_PP_COMMA() 8>(0) == "0");
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CHECK(int_to_ary<int32_t SPROUT_PP_COMMA() 2>(0) == "0");
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CHECK(int_to_ary<uint32_t SPROUT_PP_COMMA() 2>(0) == "0");
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CHECK(int_to_ary<int32_t SPROUT_PP_COMMA() 16>(0) == "0");
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CHECK(int_to_ary<uint32_t SPROUT_PP_COMMA() 16>(0) == "0");
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CHECK(int_to_ary<int32_t SPROUT_PP_COMMA() 10>(0) == "0");
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CHECK(int_to_ary<uint32_t SPROUT_PP_COMMA() 10>(0) == "0");
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CHECK(int_to_ary<bool SPROUT_PP_COMMA() 8>(false) == "0");
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CHECK(int_to_ary<bool SPROUT_PP_COMMA() 8>(true) == "1");
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CHECK(int_to_ary<bool SPROUT_PP_COMMA() 10>(false) == "0");
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CHECK(int_to_ary<bool SPROUT_PP_COMMA() 10>(true) == "1");
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CHECK(int_to_ary<uint8_t SPROUT_PP_COMMA() 2>(0b10101010) == "10101010");
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CHECK(int_to_ary<int8_t SPROUT_PP_COMMA() 2>(0b10101010) == "10101010");
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CHECK(int_to_ary<uint8_t SPROUT_PP_COMMA() 2>(0b11111111) == "11111111");
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CHECK(int_to_ary<int8_t SPROUT_PP_COMMA() 2>(0b11111111) == "11111111");
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CHECK(int_to_ary<uint16_t SPROUT_PP_COMMA() 2>(0b111100001111) == "111100001111");
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CHECK(int_to_ary<int16_t SPROUT_PP_COMMA() 2>(0b111100001111) == "111100001111");
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CHECK(int_to_ary<int64_t SPROUT_PP_COMMA() 36>(9223372036854775807) == "1y2p0ij32e8e7");
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CHECK(int_to_ary<int64_t SPROUT_PP_COMMA() 36>(0x8000000000000001) == "1y2p0ij32e8e9");
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2018-07-21 23:42:10 +00:00
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#if defined(__GNUC__)
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2018-07-22 00:01:59 +00:00
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static_assert(std::is_integral<__int128_t>::value, "Warning, int128 won't pickup the optimized base 10 conversion path");
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2018-07-21 23:42:10 +00:00
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__int128_t num = 10000000000000000000U;
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2018-07-29 10:09:51 +00:00
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CHECK(int_to_ary<__int128_t SPROUT_PP_COMMA() 10>(num * 100) == "1000000000000000000000");
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2018-07-21 23:42:10 +00:00
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num = 0xFFFFFFFFFFFFFFFF;
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2018-07-29 10:09:51 +00:00
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CHECK(int_to_ary<__int128_t SPROUT_PP_COMMA() 16>(num * 0x10000 + 0xffff) == "ffffffffffffffffffff");
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2018-07-21 23:42:10 +00:00
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#endif
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2018-07-29 10:17:59 +00:00
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{
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//Try a random test, which should not compile as constexpr
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std::mt19937 gen;
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gen.seed(1234);
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for (int z = 0; z < 10; ++z) {
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const int num = gen();
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CHECK(int_to_ary(num) == std::to_string(num));
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}
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const int num = gen();
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std::string hello = "hello world";
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std::string hello1 = hello + " " + int_to_ary(num);
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std::string hello2 = hello + " " + std::to_string(num);
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CHECK(hello1 == hello2);
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}
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2018-07-21 22:32:27 +00:00
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}
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2018-07-24 23:10:33 +00:00
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TEST_CASE ("Check char array to int conversions", "[i2s][int_conv]") {
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AryConversionTestHelper<uint32_t, 10>("0", 0);
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AryConversionTestHelper<int32_t, 10>("0", 0);
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AryConversionTestHelper<int16_t, 10>("0", 0);
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AryConversionTestHelper<int16_t, 16>("ff", 0xff);
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AryConversionTestHelper<uint8_t, 16>("ff", 0xff);
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AryConversionTestHelper<uint32_t, 36>("rs", 1000);
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AryConversionTestHelper<uint16_t, 8>("20", 16);
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AryConversionTestHelper<int32_t, 10>("1", 1);
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AryConversionTestHelper<int32_t, 10>("10", 10);
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AryConversionTestHelper<int32_t, 10>("100", 100);
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AryConversionTestHelper<int32_t, 10>("999", 999);
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AryConversionTestHelper<int32_t, 10>("1000", 1000);
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AryConversionTestHelper<int32_t, 10>("1001", 1001);
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AryConversionTestHelper<int32_t, 10>("12345", 12345);
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AryConversionTestHelper<int32_t, 10>("123456", 123456);
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AryConversionTestHelper<int32_t, 10>("1234567", 1234567);
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AryConversionTestHelper<int32_t, 10>("12345678", 12345678);
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AryConversionTestHelper<int32_t, 10>("123456789", 123456789);
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AryConversionTestHelper<int32_t, 10>("2147483647", 2147483647);
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AryConversionTestHelper<uint64_t, 16>("ffffffffffffffff", 0xffffffffffffffff);
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AryConversionTestHelper<int64_t, 16>("ffffffffffffffff", 0xffffffffffffffff);
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AryConversionTestHelper<int64_t, 16>("7fffffffffffffff", 0x7fffffffffffffff);
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AryConversionTestHelper<int32_t, 16>("7fffffff", 0x7fffffff);
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AryConversionTestHelper<bool, 10>("1", true);
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AryConversionTestHelper<bool, 10>("0", false);
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}
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