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Updated constexpr tests for all affected modules. Added conditional constexpr to equal, which uses std::distance.

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This commit is contained in:
MMaximoff
2017-04-07 22:31:23 +03:00
parent 8d095e9d30
commit dfa332e915
15 changed files with 625 additions and 185 deletions
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38
test/equal_test.cpp
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@ -16,7 +16,7 @@
#include <boost/test/unit_test.hpp>
template <typename T>
bool eq ( const T& a, const T& b ) { return a == b; }
BOOST_CXX14_CONSTEXPR bool eq ( const T& a, const T& b ) { return a == b; }
template <typename T>
bool never_eq ( const T&, const T& ) { return false; }
@ -123,7 +123,43 @@ void test_equal ()
}
BOOST_CXX14_CONSTEXPR bool test_constexpr_equal() {
int num[] = { 1, 1, 2, 3, 5};
const int sz = sizeof (num)/sizeof(num[0]);
bool res = true;
// Empty sequences are equal to each other
res = ( ba::equal ( input_iterator<int *>(num), input_iterator<int *>(num),
input_iterator<int *>(num), input_iterator<int *>(num))
// Identical long sequences are equal
&& ba::equal ( input_iterator<int *>(num), input_iterator<int *>(num + sz),
input_iterator<int *>(num), input_iterator<int *>(num + sz),
eq<int> )
// Different sequences are different
&& !ba::equal ( input_iterator<int *>(num + 1), input_iterator<int *>(num + sz),
input_iterator<int *>(num), input_iterator<int *>(num + sz))
);
#ifdef __cpp_lib_array_constexpr // or cpp17 compiler
// Turn on tests for random_access_iterator, because std functions used in equal are marked constexpr_res
res = ( res
// Empty sequences are equal to each other
&& ba::equal ( random_access_iterator<int *>(num), random_access_iterator<int *>(num),
random_access_iterator<int *>(num), random_access_iterator<int *>(num))
// Identical long sequences are equal
&& ba::equal ( random_access_iterator<int *>(num), random_access_iterator<int *>(num + sz),
random_access_iterator<int *>(num), random_access_iterator<int *>(num + sz),
eq<int> )
// Different sequences are different
&& !ba::equal ( random_access_iterator<int *>(num + 1), random_access_iterator<int *>(num + sz),
random_access_iterator<int *>(num), random_access_iterator<int *>(num + sz))
);
#endif
return res;
}
BOOST_AUTO_TEST_CASE( test_main )
{
test_equal ();
BOOST_CXX14_CONSTEXPR bool constexpr_res = test_constexpr_equal ();
BOOST_CHECK (constexpr_res);
}