IntTypes.ut.cpp

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// The Reactive C++ Toolbox.
// Copyright (C) 2013-2019 Swirly Cloud Limited
// Copyright (C) 2021 Reactive Markets Limited
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#include "IntTypes.hpp"
 
#include <boost/test/unit_test.hpp>
 
#include <boost/lexical_cast.hpp>
 
using namespace boost;
using namespace std;
using namespace toolbox;
 
namespace {
 
struct TestTag : Int32Policy {};
using Test = IntWrapper<TestTag>;
 
constexpr Test operator""_test(unsigned long long val) noexcept
{
    return Test{val};
}
 
} // namespace
 
BOOST_AUTO_TEST_SUITE(IntTypesSuite)
 
BOOST_AUTO_TEST_CASE(IntAddAssignCase)
{
    auto x = 5_test;
    BOOST_CHECK_EQUAL((x += 3_test), 8_test);
    BOOST_CHECK_EQUAL(x, 8_test);
}
 
BOOST_AUTO_TEST_CASE(IntSubAssignCase)
{
    auto x = 5_test;
    BOOST_CHECK_EQUAL((x -= 3_test), 2_test);
    BOOST_CHECK_EQUAL(x, 2_test);
}
 
BOOST_AUTO_TEST_CASE(IntMulAssignCase)
{
    auto x = 5_test;
    BOOST_CHECK_EQUAL((x *= 3_test), 15_test);
    BOOST_CHECK_EQUAL(x, 15_test);
}
 
BOOST_AUTO_TEST_CASE(IntDivAssignCase)
{
    auto x = 15_test;
    BOOST_CHECK_EQUAL((x /= 3_test), 5_test);
    BOOST_CHECK_EQUAL(x, 5_test);
}
 
BOOST_AUTO_TEST_CASE(IntModAssignCase)
{
    auto x = 5_test;
    BOOST_CHECK_EQUAL((x %= 3_test), 2_test);
    BOOST_CHECK_EQUAL(x, 2_test);
}
 
BOOST_AUTO_TEST_CASE(IntBitwiseAndAssignCase)
{
    // 11100
    // 00111
    // 00100
    auto x = 28_test;
    BOOST_CHECK_EQUAL((x &= 7_test), 4_test);
    BOOST_CHECK_EQUAL(x, 4_test);
}
 
BOOST_AUTO_TEST_CASE(IntBitwiseOrAssignCase)
{
    // 11100
    // 00111
    // 11111
    auto x = 28_test;
    BOOST_CHECK_EQUAL((x |= 7_test), 31_test);
    BOOST_CHECK_EQUAL(x, 31_test);
}
 
BOOST_AUTO_TEST_CASE(IntBitwiseXorAssignCase)
{
    // 11100
    // 00111
    // 11011
    auto x = 28_test;
    BOOST_CHECK_EQUAL((x ^= 7_test), 27_test);
    BOOST_CHECK_EQUAL(x, 27_test);
}
 
BOOST_AUTO_TEST_CASE(IntLeftShiftAssignCase)
{
    // 00111
    // 11100
    auto x = 7_test;
    BOOST_CHECK_EQUAL((x <<= 2_test), 28_test);
    BOOST_CHECK_EQUAL(x, 28_test);
}
 
BOOST_AUTO_TEST_CASE(IntRightShiftAssignCase)
{
    // 11100
    // 00111
    auto x = 28_test;
    BOOST_CHECK_EQUAL((x >>= 2_test), 7_test);
    BOOST_CHECK_EQUAL(x, 7_test);
}
 
BOOST_AUTO_TEST_CASE(IntPreIncCase)
{
    auto x = 5_test;
    BOOST_CHECK_EQUAL(++x, 6_test);
    BOOST_CHECK_EQUAL(x, 6_test);
}
 
BOOST_AUTO_TEST_CASE(IntPreDecCase)
{
    auto x = 5_test;
    BOOST_CHECK_EQUAL(--x, 4_test);
    BOOST_CHECK_EQUAL(x, 4_test);
}
 
BOOST_AUTO_TEST_CASE(IntPostIncCase)
{
    auto x = 5_test;
    BOOST_CHECK_EQUAL(x++, 5_test);
    BOOST_CHECK_EQUAL(x, 6_test);
}
 
BOOST_AUTO_TEST_CASE(IntPostDecCase)
{
    auto x = 5_test;
    BOOST_CHECK_EQUAL(x--, 5_test);
    BOOST_CHECK_EQUAL(x, 4_test);
}
 
BOOST_AUTO_TEST_CASE(IntUnaryPlusCase)
{
    constexpr auto x = 5_test;
    BOOST_CHECK_EQUAL(+x, 5_test);
}
 
BOOST_AUTO_TEST_CASE(IntUnaryMinusCase)
{
    constexpr auto x = 5_test;
    BOOST_CHECK_EQUAL(-x, -5_test);
}
 
BOOST_AUTO_TEST_CASE(IntAddCase)
{
    constexpr auto x = 5_test;
    BOOST_CHECK_EQUAL((x + 3_test), 8_test);
}
 
BOOST_AUTO_TEST_CASE(IntSubCase)
{
    constexpr auto x = 5_test;
    BOOST_CHECK_EQUAL((x - 3_test), 2_test);
}
 
BOOST_AUTO_TEST_CASE(IntMulCase)
{
    constexpr auto x = 5_test;
    BOOST_CHECK_EQUAL((x * 3_test), 15_test);
}
 
BOOST_AUTO_TEST_CASE(IntDivCase)
{
    constexpr auto x = 15_test;
    BOOST_CHECK_EQUAL(x / 3_test, 5_test);
}
 
BOOST_AUTO_TEST_CASE(IntModCase)
{
    constexpr auto x = 5_test;
    BOOST_CHECK_EQUAL((x % 3_test), 2_test);
}
 
BOOST_AUTO_TEST_CASE(IntBitwiseNotCase)
{
    constexpr auto x = Test{~1};
    BOOST_CHECK_EQUAL(~x, 1_test);
}
 
BOOST_AUTO_TEST_CASE(IntBitwiseAndCase)
{
    // 11100
    // 00111
    // 00100
    constexpr auto x = 28_test;
    BOOST_CHECK_EQUAL((x & 7_test), 4_test);
}
 
BOOST_AUTO_TEST_CASE(IntBitwiseOrCase)
{
    // 11100
    // 00111
    // 11111
    constexpr auto x = 28_test;
    BOOST_CHECK_EQUAL((x | 7_test), 31_test);
}
 
BOOST_AUTO_TEST_CASE(IntBitwiseXorCase)
{
    // 11100
    // 00111
    // 11011
    constexpr auto x = 28_test;
    BOOST_CHECK_EQUAL((x ^ 7_test), 27_test);
}
 
BOOST_AUTO_TEST_CASE(IntLeftShiftCase)
{
    // 00111
    // 11100
    constexpr auto x = 7_test;
    BOOST_CHECK_EQUAL((x << 2_test), 28_test);
}
 
BOOST_AUTO_TEST_CASE(IntRightShiftCase)
{
    // 11100
    // 00111
    constexpr auto x = 28_test;
    BOOST_CHECK_EQUAL((x >> 2_test), 7_test);
}
 
BOOST_AUTO_TEST_CASE(IntEqualToCase)
{
    BOOST_CHECK_EQUAL(5_test, 5_test);
}
 
BOOST_AUTO_TEST_CASE(IntNotEqualToCase)
{
    BOOST_CHECK_NE(5_test, 7_test);
}
 
BOOST_AUTO_TEST_CASE(IntLessThanCase)
{
    BOOST_CHECK_LT(5_test, 7_test);
}
 
BOOST_AUTO_TEST_CASE(IntGreaterThanCase)
{
    BOOST_CHECK_GT(5_test, 3_test);
}
 
BOOST_AUTO_TEST_CASE(IntLessThanOrEqualToCase)
{
    BOOST_CHECK_LE(5_test, 5_test);
    BOOST_CHECK_LE(5_test, 7_test);
}
 
BOOST_AUTO_TEST_CASE(IntGreaterThanOrEqualToCase)
{
    BOOST_CHECK_GE(5_test, 5_test);
    BOOST_CHECK_GE(5_test, 3_test);
}
 
BOOST_AUTO_TEST_CASE(IntInsertionCase)
{
    BOOST_CHECK_EQUAL(lexical_cast<string>(5_test), "5");
}
 
BOOST_AUTO_TEST_SUITE_END()