Sprout/libs/algorithm/test/reverse_copy.cpp
2019-01-07 17:47:17 +09:00

113 lines
3.3 KiB
C++

/*=============================================================================
Copyright (c) 2011-2019 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
=============================================================================*/
#ifndef SPROUT_LIBS_ALGORITHM_TEST_REBERSE_COPY_CPP
#define SPROUT_LIBS_ALGORITHM_TEST_REBERSE_COPY_CPP
#include <sprout/algorithm/reverse_copy.hpp>
#include <sprout/array.hpp>
#include <sprout/sub_array.hpp>
#include <sprout/container.hpp>
#include <testspr/tools.hpp>
namespace testspr {
static void algorithm_reverse_copy_test() {
using namespace sprout;
{
SPROUT_STATIC_CONSTEXPR auto arr1 = array<int, 10>{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}};
SPROUT_STATIC_CONSTEXPR auto arr2 = array<int, 10>{{}};
SPROUT_STATIC_CONSTEXPR auto arr3 = array<int, 4>{{}};
// reverse in range [2 .. 8)
{
SPROUT_STATIC_CONSTEXPR auto reversed = sprout::reverse_copy(
sprout::begin(arr1) + 2,
sprout::begin(arr1) + 8,
arr2
);
TESTSPR_BOTH_ASSERT(testspr::equal(
reversed,
array<int, 10>{{8, 7, 6, 5, 4, 3, 0, 0, 0, 0}}
));
}
{
SPROUT_STATIC_CONSTEXPR auto reversed = sprout::fit::reverse_copy(
sprout::begin(arr1) + 2,
sprout::begin(arr1) + 8,
arr2
);
TESTSPR_BOTH_ASSERT(testspr::equal(
reversed,
array<int, 6>{{8, 7, 6, 5, 4, 3}}
));
}
// reverse in range [2 .. 8)
// overrun from output range
{
SPROUT_STATIC_CONSTEXPR auto reversed = sprout::reverse_copy(
sprout::begin(arr1) + 2,
sprout::begin(arr1) + 8,
arr3
);
TESTSPR_BOTH_ASSERT(testspr::equal(
reversed,
array<int, 4>{{8, 7, 6, 5}}
));
}
{
SPROUT_STATIC_CONSTEXPR auto reversed = sprout::fit::reverse_copy(
sprout::begin(arr1) + 2,
sprout::begin(arr1) + 8,
arr3
);
TESTSPR_BOTH_ASSERT(testspr::equal(
reversed,
array<int, 4>{{8, 7, 6, 5}}
));
}
// reverse in range [2 .. 8)
// to sub range
{
SPROUT_STATIC_CONSTEXPR auto reversed = sprout::reverse_copy(
sprout::begin(arr1) + 2,
sprout::begin(arr1) + 8,
sprout::sub(arr2, 2, 8)
);
TESTSPR_BOTH_ASSERT(testspr::equal(
reversed,
array<int, 6>{{8, 7, 6, 5, 4, 3}}
));
TESTSPR_BOTH_ASSERT(testspr::equal(
sprout::get_internal(reversed),
array<int, 10>{{0, 0, 8, 7, 6, 5, 4, 3, 0, 0}}
));
}
{
SPROUT_STATIC_CONSTEXPR auto reversed = sprout::fit::reverse_copy(
sprout::begin(arr1) + 2,
sprout::begin(arr1) + 8,
sprout::sub(arr2, 2, 8)
);
TESTSPR_BOTH_ASSERT(testspr::equal(
reversed,
array<int, 6>{{8, 7, 6, 5, 4, 3}}
));
TESTSPR_BOTH_ASSERT(testspr::equal(
sprout::get_internal(reversed),
array<int, 10>{{0, 0, 8, 7, 6, 5, 4, 3, 0, 0}}
));
}
}
}
} // namespace testspr
#ifndef TESTSPR_CPP_INCLUDE
# define TESTSPR_TEST_FUNCTION testspr::algorithm_reverse_copy_test
# include <testspr/include_main.hpp>
#endif
#endif // #ifndef SPROUT_LIBS_ALGORITHM_TEST_REBERSE_COPY_CPP