Sprout/libs/algorithm/test/is_permutation.cpp

#ifndef SPROUT_LIBS_ALGORITHM_TEST_IS_PERMUTATION_CPP
#define SPROUT_LIBS_ALGORITHM_TEST_IS_PERMUTATION_CPP

#include <sprout/algorithm/is_permutation.hpp>
#include <sprout/array.hpp>
#include <sprout/container.hpp>
#include <testspr/tools.hpp>

namespace testspr {
	static void algorithm_is_permutation_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>{{10, 9, 8, 1, 2, 3, 4, 5, 6, 7}};
			SPROUT_STATIC_CONSTEXPR auto arr3 = array<int, 10>{{5, 4, 3, 2, 1, 11, 10, 9, 8, 7}};

			{
				SPROUT_STATIC_CONSTEXPR auto result = sprout::is_permutation(
					sprout::begin(arr1),
					sprout::end(arr1),
					sprout::begin(arr2)
					);
				TESTSPR_BOTH_ASSERT(result);
			}
			{
				SPROUT_STATIC_CONSTEXPR auto result = sprout::is_permutation(
					sprout::begin(arr1),
					sprout::end(arr1),
					sprout::begin(arr3)
					);
				TESTSPR_BOTH_ASSERT(!result);
			}
			{
				SPROUT_STATIC_CONSTEXPR auto result = sprout::is_permutation(
					sprout::begin(arr1),
					sprout::begin(arr1) + 5,
					sprout::begin(arr2)
					);
				TESTSPR_BOTH_ASSERT(!result);
			}
			{
				SPROUT_STATIC_CONSTEXPR auto result = sprout::is_permutation(
					sprout::begin(arr1),
					sprout::begin(arr1) + 5,
					sprout::begin(arr3)
					);
				TESTSPR_BOTH_ASSERT(result);
			}

			{
				SPROUT_STATIC_CONSTEXPR auto result = sprout::is_permutation(
					sprout::begin(arr1),
					sprout::end(arr1),
					sprout::begin(arr2),
					testspr::equal_to<int>()
					);
				TESTSPR_BOTH_ASSERT(result);
			}
			{
				SPROUT_STATIC_CONSTEXPR auto result = sprout::is_permutation(
					sprout::begin(arr1),
					sprout::end(arr1),
					sprout::begin(arr3),
					testspr::equal_to<int>()
					);
				TESTSPR_BOTH_ASSERT(!result);
			}
			{
				SPROUT_STATIC_CONSTEXPR auto result = sprout::is_permutation(
					sprout::begin(arr1),
					sprout::begin(arr1) + 5,
					sprout::begin(arr2),
					testspr::equal_to<int>()
					);
				TESTSPR_BOTH_ASSERT(!result);
			}
			{
				SPROUT_STATIC_CONSTEXPR auto result = sprout::is_permutation(
					sprout::begin(arr1),
					sprout::begin(arr1) + 5,
					sprout::begin(arr3),
					testspr::equal_to<int>()
					);
				TESTSPR_BOTH_ASSERT(result);
			}
		}
	}
}	// namespace testspr

#ifndef TESTSPR_CPP_INCLUDE
#	define TESTSPR_TEST_FUNCTION testspr::algorithm_is_permutation_test
#	include <testspr/include_main.hpp>
#endif

#endif	// #ifndef SPROUT_LIBS_ALGORITHM_TEST_IS_PERMUTATION_CPP