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129 lines
3.3 KiB
C++
129 lines
3.3 KiB
C++
// Boost.Range library
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//
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// Copyright Neil Groves 2010. Use, modification and
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// distribution is subject to the Boost Software License, Version
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// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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//
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// For more information, see http://www.boost.org/libs/range/
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//
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#include <boost/range/algorithm_ext/erase.hpp>
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#include <boost/test/test_tools.hpp>
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#include <boost/test/unit_test.hpp>
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#include <boost/range/iterator.hpp>
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#include <algorithm>
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#include <list>
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#include <vector>
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namespace
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{
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template< class Container >
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void test_erase_impl()
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{
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Container source;
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for (int i = 0; i < 10; ++i)
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source.push_back(i);
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Container reference(source);
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Container test(source);
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typedef BOOST_DEDUCED_TYPENAME Container::iterator iterator_t;
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iterator_t first_ref = reference.begin();
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iterator_t last_ref = reference.end();
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boost::iterator_range< iterator_t > test_range(test.begin(), test.end());
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reference.erase(first_ref, last_ref);
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boost::erase(test, test_range);
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BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(),
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test.begin(), test.end() );
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}
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void test_erase()
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{
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test_erase_impl<std::vector<int> >();
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test_erase_impl<std::list<int> >();
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}
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template< class Container >
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void test_remove_erase_impl()
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{
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Container source;
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for (int i = 0; i < 10; ++i)
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source.push_back(i);
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Container reference(source);
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Container test(source);
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boost::remove_erase(test, 5);
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reference.erase( std::find(reference.begin(), reference.end(), 5) );
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BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(),
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test.begin(), test.end() );
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}
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void test_remove_erase()
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{
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test_remove_erase_impl<std::vector<int> >();
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test_remove_erase_impl<std::list<int> >();
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}
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struct is_even
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{
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typedef bool result_type;
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typedef int argument_type;
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bool operator()(int x) const { return x % 2 == 0; }
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};
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template< class Container >
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void test_remove_erase_if_impl()
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{
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Container source;
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for (int i = 0; i < 10; ++i)
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source.push_back(i);
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Container reference;
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typedef BOOST_DEDUCED_TYPENAME Container::const_iterator iterator_t;
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iterator_t last_source = source.end();
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is_even pred;
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for (iterator_t it_source = source.begin(); it_source != last_source; ++it_source)
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{
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if (!pred(*it_source))
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reference.push_back(*it_source);
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}
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Container test(source);
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boost::remove_erase_if(test, is_even());
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BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(),
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test.begin(), test.end() );
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}
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void test_remove_erase_if()
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{
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test_remove_erase_if_impl<std::vector<int> >();
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test_remove_erase_if_impl<std::list<int> >();
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}
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}
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boost::unit_test::test_suite*
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init_unit_test_suite(int argc, char* argv[])
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{
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boost::unit_test::test_suite* test
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= BOOST_TEST_SUITE( "RangeTestSuite.algorithm_ext.erase" );
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test->add( BOOST_TEST_CASE( &test_erase ) );
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test->add( BOOST_TEST_CASE( &test_remove_erase ) );
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test->add( BOOST_TEST_CASE( &test_remove_erase_if ) );
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return test;
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}
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