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Sprout/libs/algorithm/test/transform.cpp

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/*=============================================================================
Copyright (c) 2011-2019 Bolero MURAKAMI
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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_TRANSFORM_CPP
#define SPROUT_LIBS_ALGORITHM_TEST_TRANSFORM_CPP
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#include <sprout/algorithm/transform.hpp>
#include <sprout/array.hpp>
#include <sprout/sub_array.hpp>
#include <sprout/container.hpp>
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#include <testspr/tools.hpp>
namespace testspr {
static void algorithm_transform_test() {
using namespace sprout;
{
SPROUT_STATIC_CONSTEXPR auto arr1 = array<int, 10>{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}};
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SPROUT_STATIC_CONSTEXPR auto arr2 = array<int, 10>{{}};
SPROUT_STATIC_CONSTEXPR auto arr3 = array<int, 4>{{}};
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// transform in range [2 .. 8) (a * 2)
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{
SPROUT_STATIC_CONSTEXPR auto transformed = sprout::transform(
sprout::begin(arr1) + 2,
sprout::begin(arr1) + 8,
arr2,
testspr::x2<int>()
);
TESTSPR_BOTH_ASSERT(testspr::equal(
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transformed,
array<int, 10>{{6, 8, 10, 12, 14, 16, 0, 0, 0, 0}}
));
}
{
SPROUT_STATIC_CONSTEXPR auto transformed = sprout::fit::transform(
sprout::begin(arr1) + 2,
sprout::begin(arr1) + 8,
arr2,
testspr::x2<int>()
);
TESTSPR_BOTH_ASSERT(testspr::equal(
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transformed,
array<int, 6>{{6, 8, 10, 12, 14, 16}}
));
}
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// transform in range [2 .. 8) (a * 2)
// overrun from output range
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{
SPROUT_STATIC_CONSTEXPR auto transformed = sprout::transform(
sprout::begin(arr1) + 2,
sprout::begin(arr1) + 8,
arr3,
testspr::x2<int>()
);
TESTSPR_BOTH_ASSERT(testspr::equal(
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transformed,
array<int, 4>{{6, 8, 10, 12}}
));
}
{
SPROUT_STATIC_CONSTEXPR auto transformed = sprout::fit::transform(
sprout::begin(arr1) + 2,
sprout::begin(arr1) + 8,
arr3,
testspr::x2<int>()
);
TESTSPR_BOTH_ASSERT(testspr::equal(
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transformed,
array<int, 4>{{6, 8, 10, 12}}
));
}
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// transform in range [2 .. 8) (a * 2)
// to sub range
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{
SPROUT_STATIC_CONSTEXPR auto transformed = sprout::transform(
sprout::begin(arr1) + 2,
sprout::begin(arr1) + 8,
sprout::sub(arr2, 2, 8),
testspr::x2<int>()
);
TESTSPR_BOTH_ASSERT(testspr::equal(
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transformed,
array<int, 6>{{6, 8, 10, 12, 14, 16}}
));
TESTSPR_BOTH_ASSERT(testspr::equal(
sprout::get_internal(transformed),
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array<int, 10>{{0, 0, 6, 8, 10, 12, 14, 16, 0, 0}}
));
}
{
SPROUT_STATIC_CONSTEXPR auto transformed = sprout::fit::transform(
sprout::begin(arr1) + 2,
sprout::begin(arr1) + 8,
sprout::sub(arr2, 2, 8),
testspr::x2<int>()
);
TESTSPR_BOTH_ASSERT(testspr::equal(
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transformed,
array<int, 6>{{6, 8, 10, 12, 14, 16}}
));
TESTSPR_BOTH_ASSERT(testspr::equal(
sprout::get_internal(transformed),
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array<int, 10>{{0, 0, 6, 8, 10, 12, 14, 16, 0, 0}}
));
}
}
{
SPROUT_STATIC_CONSTEXPR auto arr1 = array<int, 10>{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}};
SPROUT_STATIC_CONSTEXPR auto arr1_2 = array<int, 10>{{1, 2, 3, 4, 5, 6, 7, 8, 9, 10}};
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SPROUT_STATIC_CONSTEXPR auto arr2 = array<int, 10>{{}};
SPROUT_STATIC_CONSTEXPR auto arr3 = array<int, 4>{{}};
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// transform in range [2 .. 8) (a + b)
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{
SPROUT_STATIC_CONSTEXPR auto transformed = sprout::transform(
sprout::begin(arr1) + 2,
sprout::begin(arr1) + 8,
sprout::begin(arr1_2) + 2,
arr2,
testspr::plus<int>()
);
TESTSPR_BOTH_ASSERT(testspr::equal(
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transformed,
array<int, 10>{{6, 8, 10, 12, 14, 16, 0, 0, 0, 0}}
));
}
{
SPROUT_STATIC_CONSTEXPR auto transformed = sprout::fit::transform(
sprout::begin(arr1) + 2,
sprout::begin(arr1) + 8,
sprout::begin(arr1_2) + 2,
arr2,
testspr::plus<int>()
);
TESTSPR_BOTH_ASSERT(testspr::equal(
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transformed,
array<int, 6>{{6, 8, 10, 12, 14, 16}}
));
}
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// transform in range [2 .. 8) (a + b)
// overrun from output range
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{
SPROUT_STATIC_CONSTEXPR auto transformed = sprout::transform(
sprout::begin(arr1) + 2,
sprout::begin(arr1) + 8,
sprout::begin(arr1_2) + 2,
arr3,
testspr::plus<int>()
);
TESTSPR_BOTH_ASSERT(testspr::equal(
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transformed,
array<int, 4>{{6, 8, 10, 12}}
));
}
{
SPROUT_STATIC_CONSTEXPR auto transformed = sprout::fit::transform(
sprout::begin(arr1) + 2,
sprout::begin(arr1) + 8,
sprout::begin(arr1_2) + 2,
arr3,
testspr::plus<int>()
);
TESTSPR_BOTH_ASSERT(testspr::equal(
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transformed,
array<int, 4>{{6, 8, 10, 12}}
));
}
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// transform in range [2 .. 8) (a + b)
// to sub range
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{
SPROUT_STATIC_CONSTEXPR auto transformed = sprout::transform(
sprout::begin(arr1) + 2,
sprout::begin(arr1) + 8,
sprout::begin(arr1_2) + 2,
sprout::sub(arr2, 2, 8),
testspr::plus<int>()
);
TESTSPR_BOTH_ASSERT(testspr::equal(
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transformed,
array<int, 6>{{6, 8, 10, 12, 14, 16}}
));
TESTSPR_BOTH_ASSERT(testspr::equal(
sprout::get_internal(transformed),
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array<int, 10>{{0, 0, 6, 8, 10, 12, 14, 16, 0, 0}}
));
}
{
SPROUT_STATIC_CONSTEXPR auto transformed = sprout::fit::transform(
sprout::begin(arr1) + 2,
sprout::begin(arr1) + 8,
sprout::begin(arr1_2) + 2,
sprout::sub(arr2, 2, 8),
testspr::plus<int>()
);
TESTSPR_BOTH_ASSERT(testspr::equal(
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transformed,
array<int, 6>{{6, 8, 10, 12, 14, 16}}
));
TESTSPR_BOTH_ASSERT(testspr::equal(
sprout::get_internal(transformed),
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array<int, 10>{{0, 0, 6, 8, 10, 12, 14, 16, 0, 0}}
));
}
}
}
} // namespace testspr
#ifndef TESTSPR_CPP_INCLUDE
# define TESTSPR_TEST_FUNCTION testspr::algorithm_transform_test
# include <testspr/include_main.hpp>
#endif
#endif // #ifndef SPROUT_LIBS_ALGORITHM_TEST_TRANSFORM_CPP