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Added test for converting func_input_iter increment results to the iterator type.

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This commit is contained in:
Andrey Semashev 2022-11-09 21:19:00 +03:00
parent 5777e9944b
commit 0a95636faf
1 changed files with 9 additions and 0 deletions
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9
test/function_input_iterator_test.cpp
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@ -99,6 +99,15 @@ int main()
for(std::size_t i = 0; i != 10; ++i)
BOOST_TEST_EQ(generated[i], static_cast<int>(42 + i));
// Test that incrementing the iterator returns a reference to the iterator type
{
typedef boost::iterators::function_input_iterator<counter, int> function_counter_iterator_t;
function_counter_iterator_t it1(counter_generator, 0);
function_counter_iterator_t it2(++it1);
function_counter_iterator_t it3(it2++);
BOOST_TEST_EQ(*it3, 54);
}
#if !defined(BOOST_NO_CXX11_LAMBDAS) && !defined(BOOST_NO_CXX11_AUTO_DECLARATIONS) \
&& defined(BOOST_RESULT_OF_USE_DECLTYPE)
// test the iterator with lambda expressions