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Added BOOST_TEST_ALL_WITH macro to compare container contents with a predicate

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This commit is contained in:
Bjorn Reese
2017-02-18 13:43:29 +01:00
parent 306b792a5e
commit a3382dd5a8
4 changed files with 232 additions and 0 deletions
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70
include/boost/core/lightweight_test.hpp
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@@ -249,6 +249,75 @@ void test_all_eq_impl(FormattedOutputFunction& output,
}
}
template<class FormattedOutputFunction, class InputIterator1, class InputIterator2, typename BinaryPredicate>
void test_all_with_impl(FormattedOutputFunction& output,
char const * file, int line, char const * function,
InputIterator1 first_begin, InputIterator1 first_end,
InputIterator2 second_begin, InputIterator2 second_end,
BinaryPredicate predicate)
{
InputIterator1 first_it = first_begin;
InputIterator2 second_it = second_begin;
typename std::iterator_traits<InputIterator1>::difference_type first_index = 0;
typename std::iterator_traits<InputIterator2>::difference_type second_index = 0;
std::size_t error_count = 0;
const std::size_t max_count = 8;
do
{
while ((first_it != first_end) && (second_it != second_end) && predicate(*first_it, *second_it))
{
++first_it;
++second_it;
++first_index;
++second_index;
}
if ((first_it == first_end) || (second_it == second_end))
{
break; // do-while
}
if (error_count == 0)
{
output << file << "(" << line << "): Container contents differ in function '" << function << "':";
}
else if (error_count >= max_count)
{
output << " ...";
break;
}
output << " [" << first_index << "]";
++first_it;
++second_it;
++first_index;
++second_index;
++error_count;
} while (first_it != first_end);
first_index += std::distance(first_it, first_end);
second_index += std::distance(second_it, second_end);
if (first_index != second_index)
{
if (error_count == 0)
{
output << file << "(" << line << "): Container sizes differ in function '" << function << "': size(" << first_index << ") != size(" << second_index << ")";
}
else
{
output << " [*] size(" << first_index << ") != size(" << second_index << ")";
}
++error_count;
}
if (error_count == 0)
{
report_errors_remind();
}
else
{
output << std::endl;
++test_errors();
}
}
#if defined(_MSC_VER)
# pragma warning(pop)
#elif defined(__clang__) && defined(__has_warning)
@@ -295,6 +364,7 @@ inline int report_errors()
#define BOOST_TEST_CSTR_NE(expr1,expr2) ( ::boost::detail::test_cstr_ne_impl(#expr1, #expr2, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, expr1, expr2) )
#define BOOST_TEST_ALL_EQ(begin1, end1, begin2, end2) ( ::boost::detail::test_all_eq_impl(BOOST_LIGHTWEIGHT_TEST_OSTREAM, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, begin1, end1, begin2, end2) )
#define BOOST_TEST_ALL_WITH(begin1, end1, begin2, end2, predicate) ( ::boost::detail::test_all_with_impl(BOOST_LIGHTWEIGHT_TEST_OSTREAM, __FILE__, __LINE__, BOOST_CURRENT_FUNCTION, begin1, end1, begin2, end2, predicate) )
#ifndef BOOST_NO_EXCEPTIONS
#define BOOST_TEST_THROWS( EXPR, EXCEP ) \