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// Distributed under the Boost Software License, Version 1.0.

// https://www.boost.org/LICENSE_1_0.txt

// See: https://github.com/boostorg/decimal/issues/1174

// The decTest tests only apply to decimal64_t so we need to cover the other two as well

#include <boost/decimal.hpp>

#include <boost/core/lightweight_test.hpp>

#include <random>

static std::mt19937_64 rng(42);

static std::uniform_int_distribution<std::int32_t> dist(1, 1);

using namespace boost::decimal;

// These values are all from clamp.decTest

// The tests for decimal32_t and decimal128_t are derived from the values used here

template <typename T>

void test()

{

constexpr T zero {0};

constexpr auto sub_min {std::numeric_limits<T>::denorm_min()};

const T a {dist(rng) * 7, detail::etiny_v<T>};

BOOST_TEST_GT(a, zero);

const T b {dist(rng) * 7, detail::etiny_v<T> - 1};

BOOST_TEST_EQ(b, sub_min);

const T c {dist(rng) * 7, detail::etiny_v<T> - 2};

BOOST_TEST_EQ(c, zero);

const T d {dist(rng) * 70, detail::etiny_v<T> - 1};

BOOST_TEST_EQ(a, d);

const T e {dist(rng) * 700, detail::etiny_v<T> - 2};

BOOST_TEST_EQ(a, e);

}

int main()

{

test<decimal32_t>();

test<decimal64_t>();

test<decimal128_t>();

return boost::report_errors();

}

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