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Sprout/libs/algorithm/test/next_permutation.cpp
2012-07-25 14:27:01 +09:00

137 lines
3.8 KiB
C++

#ifndef SPROUT_LIBS_ALGORITHM_TEST_NEXT_PERMUTATION_CPP
#define SPROUT_LIBS_ALGORITHM_TEST_NEXT_PERMUTATION_CPP
#include <sprout/algorithm/next_permutation.hpp>
#include <sprout/array.hpp>
#include <sprout/sub_array.hpp>
#include <sprout/container.hpp>
#include <testspr/tools.hpp>
namespace testspr {
static void algorithm_next_permutation_test() {
using namespace sprout;
{
SPROUT_STATIC_CONSTEXPR auto arr1 = array<int, 5>{{1, 2, 3, 4, 5}};
// 順列
{
SPROUT_STATIC_CONSTEXPR auto permutation = sprout::next_permutation(
arr1
);
TESTSPR_BOTH_ASSERT(testspr::equal(
permutation.first,
array<int, 5>{{1, 2, 3, 5, 4}}
));
TESTSPR_BOTH_ASSERT(permutation.second);
}
{
SPROUT_STATIC_CONSTEXPR auto permutation = sprout::fit::next_permutation(
arr1
);
TESTSPR_BOTH_ASSERT(testspr::equal(
permutation.first,
array<int, 5>{{1, 2, 3, 5, 4}}
));
TESTSPR_BOTH_ASSERT(permutation.second);
}
// 順列
// 範囲の切り出し
// !!!
// {
// SPROUT_STATIC_CONSTEXPR auto permutation = sprout::next_permutation(
// sprout::sub(arr1, 2, 4)
// );
// TESTSPR_BOTH_ASSERT(testspr::equal(
// permutation.first,
// array<int, 3>{{2, 4, 3}}
// ));
// TESTSPR_BOTH_ASSERT(testspr::equal(
// sprout::get_internal(permutation.first),
// array<int, 5>{{1, 2, 4, 3, 5}}
// ));
// TESTSPR_BOTH_ASSERT(permutation.second);
// }
// {
// SPROUT_STATIC_CONSTEXPR auto permutation = sprout::fit::next_permutation(
// sprout::sub(arr1, 2, 4)
// );
// TESTSPR_BOTH_ASSERT(testspr::equal(
// permutation.first,
// array<int, 3>{{2, 4, 3}}
// ));
// TESTSPR_BOTH_ASSERT(testspr::equal(
// sprout::get_internal(permutation.first),
// array<int, 5>{{1, 2, 4, 3, 5}}
// ));
// TESTSPR_BOTH_ASSERT(permutation.second);
// }
}
{
SPROUT_STATIC_CONSTEXPR auto arr1 = array<int, 5>{{1, 2, 3, 4, 5}};
// 順列
{
SPROUT_STATIC_CONSTEXPR auto permutation = sprout::next_permutation(
arr1,
testspr::less<int>()
);
TESTSPR_BOTH_ASSERT(testspr::equal(
permutation.first,
array<int, 5>{{1, 2, 3, 5, 4}}
));
TESTSPR_BOTH_ASSERT(permutation.second);
}
{
SPROUT_STATIC_CONSTEXPR auto permutation = sprout::fit::next_permutation(
arr1,
testspr::less<int>()
);
TESTSPR_BOTH_ASSERT(testspr::equal(
permutation.first,
array<int, 5>{{1, 2, 3, 5, 4}}
));
TESTSPR_BOTH_ASSERT(permutation.second);
}
// 順列
// 範囲の切り出し
// !!!
// {
// SPROUT_STATIC_CONSTEXPR auto permutation = sprout::next_permutation(
// sprout::sub(arr1, 2, 4),
// testspr::less<int>()
// );
// TESTSPR_BOTH_ASSERT(testspr::equal(
// permutation.first,
// array<int, 3>{{2, 4, 3}}
// ));
// TESTSPR_BOTH_ASSERT(testspr::equal(
// sprout::get_internal(permutation.first),
// array<int, 5>{{1, 2, 4, 3, 5}}
// ));
// TESTSPR_BOTH_ASSERT(permutation.second);
// }
// {
// SPROUT_STATIC_CONSTEXPR auto permutation = sprout::fit::next_permutation(
// sprout::sub(arr1, 2, 4),
// testspr::less<int>()
// );
// TESTSPR_BOTH_ASSERT(testspr::equal(
// permutation.first,
// array<int, 3>{{2, 4, 3}}
// ));
// TESTSPR_BOTH_ASSERT(testspr::equal(
// sprout::get_internal(permutation.first),
// array<int, 5>{{1, 2, 4, 3, 5}}
// ));
// TESTSPR_BOTH_ASSERT(permutation.second);
// }
}
}
} // namespace testspr
#ifndef TESTSPR_CPP_INCLUDE
# define TESTSPR_TEST_FUNCTION testspr::algorithm_next_permutation_test
# include <testspr/include_main.hpp>
#endif
#endif // #ifndef SPROUT_LIBS_ALGORITHM_TEST_NEXT_PERMUTATION_CPP