ba743e488c
Utility/Functional is a lightweight high level functional-oriented sub library that attempts to abstract some common uses and boilerplate around the parser code (and later maybe for other modules to use). This patch introduce only three functions, but they have proven common enough to warrant some common implementation.
71 lines
1.9 KiB
C++
71 lines
1.9 KiB
C++
#define BOOST_TEST_MODULE FunctionalTests
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#include <vector>
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#include <boost/test/unit_test.hpp>
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#include <opm/parser/eclipse/Utility/Functional.hpp>
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#include <iostream>
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using namespace Opm;
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BOOST_AUTO_TEST_CASE(iotaEqualCollections) {
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std::vector< int > vec( 5 );
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for( int i = 0; i < 5; ++i )
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vec[ i ] = i;
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fun::iota iota( 5 );
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for( auto x : iota )
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std::cout << x << " ";
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std::cout << std::endl;
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std::vector< int > vec_iota( iota.begin(), iota.end() );
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BOOST_CHECK_EQUAL_COLLECTIONS(
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vec_iota.begin(), vec_iota.end(),
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vec.begin(), vec.end() );
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BOOST_CHECK_EQUAL_COLLECTIONS(
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vec_iota.begin(), vec_iota.end(),
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fun::iota( 5 ).begin(), fun::iota( 5 ).end() );
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BOOST_CHECK_EQUAL_COLLECTIONS(
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vec.begin(), vec.end(),
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fun::iota( 5 ).begin(), fun::iota( 5 ).end() );
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}
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BOOST_AUTO_TEST_CASE(iotaForeach) {
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/* this test is mostly a syntax verification test */
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std::vector< int > vec = { 0, 1, 2, 3, 4 };
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for( auto x : fun::iota( 5 ) )
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BOOST_CHECK_EQUAL( vec[ x ], x );
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}
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BOOST_AUTO_TEST_CASE(iotaSize) {
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BOOST_CHECK_EQUAL( 5, fun::iota( 5 ).size() );
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BOOST_CHECK_EQUAL( 5, fun::iota( 1, 6 ).size() );
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BOOST_CHECK_EQUAL( 0, fun::iota( 0 ).size() );
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BOOST_CHECK_EQUAL( 0, fun::iota( 0, 0 ).size() );
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}
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BOOST_AUTO_TEST_CASE(iotaWithMap) {
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const auto plus1 = []( int x ) { return x + 1; };
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std::vector< int > vec = { 1, 2, 3, 4, 5 };
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auto vec_iota = fun::map( plus1, fun::iota( 5 ) );
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BOOST_CHECK_EQUAL_COLLECTIONS(
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vec_iota.begin(), vec_iota.end(),
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vec.begin(), vec.end() );
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}
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BOOST_AUTO_TEST_CASE(iotaNegativeBegin) {
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const auto vec = { -4, -3, -2, -1, 0 };
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fun::iota iota( -4, 1 );
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BOOST_CHECK_EQUAL_COLLECTIONS(
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vec.begin(), vec.end(),
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iota.begin(), iota.end() );
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}
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