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// Copyright 2015, Tobias Hermann and the FunctionalPlus contributors.
// https://github.com/Dobiasd/FunctionalPlus
// 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)
#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
#include "doctest/doctest.h"
#include <fplus/fplus.hpp>
#include <vector>
namespace {
typedef std::vector<int> IntVector;
IntVector xs = {1,2,2,3,2};
}
TEST_CASE("extrapolate_test, elem_at_idx_or_nothing")
{
using namespace fplus;
REQUIRE_EQ(elem_at_idx_or_nothing(-4, xs), nothing<int>());
REQUIRE_EQ(elem_at_idx_or_nothing(14, xs), nothing<int>());
REQUIRE_EQ(elem_at_idx_or_nothing(3, xs), maybe<int>(3));
}
TEST_CASE("extrapolate_test, elem_at_idx_or_constant")
{
using namespace fplus;
REQUIRE_EQ(elem_at_idx_or_constant(4, -4, xs), 4);
REQUIRE_EQ(elem_at_idx_or_constant(4, 14, xs), 4);
REQUIRE_EQ(elem_at_idx_or_constant(4, 3, xs), 3);
}
TEST_CASE("extrapolate_test, elem_at_idx_or_replicate")
{
using namespace fplus;
REQUIRE_EQ(elem_at_idx_or_replicate(-2, xs), 1);
REQUIRE_EQ(elem_at_idx_or_replicate(-1, xs), 1);
REQUIRE_EQ(elem_at_idx_or_replicate(0, xs), 1);
REQUIRE_EQ(elem_at_idx_or_replicate(4, xs), 2);
REQUIRE_EQ(elem_at_idx_or_replicate(5, xs), 2);
REQUIRE_EQ(elem_at_idx_or_replicate(6, xs), 2);
}
TEST_CASE("extrapolate_test, elem_at_idx_or_wrap")
{
using namespace fplus;
REQUIRE_EQ(elem_at_idx_or_wrap(-2, xs), 3);
REQUIRE_EQ(elem_at_idx_or_wrap(-1, xs), 2);
REQUIRE_EQ(elem_at_idx_or_wrap(0, xs), 1);
REQUIRE_EQ(elem_at_idx_or_wrap(4, xs), 2);
REQUIRE_EQ(elem_at_idx_or_wrap(5, xs), 1);
REQUIRE_EQ(elem_at_idx_or_wrap(6, xs), 2);
}
TEST_CASE("extrapolate_test, elem_at_idx_or_wrap")
{
using namespace fplus;
REQUIRE_EQ(elem_at_idx_or_wrap(-2, xs), 3);
REQUIRE_EQ(elem_at_idx_or_wrap(-1, xs), 2);
REQUIRE_EQ(elem_at_idx_or_wrap(0, xs), 1);
REQUIRE_EQ(elem_at_idx_or_wrap(4, xs), 2);
REQUIRE_EQ(elem_at_idx_or_wrap(5, xs), 1);
REQUIRE_EQ(elem_at_idx_or_wrap(6, xs), 2);
}
TEST_CASE("extrapolate_test, extrapolate_replicate")
{
using namespace fplus;
REQUIRE_EQ(extrapolate_replicate(2, 2, xs), IntVector({1,1,1,2,2,3,2,2,2}));
}
TEST_CASE("extrapolate_test, extrapolate_wrap")
{
using namespace fplus;
REQUIRE_EQ(extrapolate_wrap(2, 2, xs), IntVector({3,2,1,2,2,3,2,1,2}));
}
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