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tie tests still buggy

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This commit is contained in:
Andrzej Krzemienski
2015-01-17 09:21:36 +01:00
parent c12beb8991
commit cc17103070
1 changed files with 9 additions and 15 deletions
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24
test/optional_test_tie.cpp
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@ -37,6 +37,11 @@ struct counting_oracle
static int equals_count; static int equals_count;
friend bool operator==(const counting_oracle& lhs, const counting_oracle& rhs) { ++equals_count; return lhs.val == rhs.val; } friend bool operator==(const counting_oracle& lhs, const counting_oracle& rhs) { ++equals_count; return lhs.val == rhs.val; }
static void clear_count()
{
dtor_count = default_ctor_count = val_ctor_count = copy_ctor_count = copy_assign_count = equals_count = 0;
}
}; };
int counting_oracle::dtor_count = 0; int counting_oracle::dtor_count = 0;
@ -46,23 +51,12 @@ int counting_oracle::copy_ctor_count = 0;
int counting_oracle::copy_assign_count = 0; int counting_oracle::copy_assign_count = 0;
int counting_oracle::equals_count = 0; int counting_oracle::equals_count = 0;
int count_copy_ctors_on_copy() // checks if we have copy elision
{
counting_oracle::copy_ctor_count = 0;
counting_oracle c(1);
counting_oracle c2(c);
int ans = counting_oracle::copy_ctor_count;
counting_oracle::copy_ctor_count = 0;
counting_oracle::val_ctor_count = 0;
return ans;
}
// Test boost::tie() interoperability. // Test boost::tie() interoperability.
int main() int main()
{ {
int copy_factor = count_copy_ctors_on_copy();
const std::pair<counting_oracle, counting_oracle> pair(1, 2); const std::pair<counting_oracle, counting_oracle> pair(1, 2);
counting_oracle::clear_count();
boost::optional<counting_oracle> o1, o2; boost::optional<counting_oracle> o1, o2;
boost::tie(o1, o2) = pair; boost::tie(o1, o2) = pair;
@ -70,7 +64,7 @@ int main()
BOOST_TEST(o2); BOOST_TEST(o2);
BOOST_TEST(*o1 == counting_oracle(1)); BOOST_TEST(*o1 == counting_oracle(1));
BOOST_TEST(*o2 == counting_oracle(2)); BOOST_TEST(*o2 == counting_oracle(2));
BOOST_TEST_EQ(2 * copy_factor, counting_oracle::copy_ctor_count); BOOST_TEST_EQ(2, counting_oracle::copy_ctor_count);
BOOST_TEST_EQ(0, counting_oracle::copy_assign_count); BOOST_TEST_EQ(0, counting_oracle::copy_assign_count);
BOOST_TEST_EQ(0, counting_oracle::default_ctor_count); BOOST_TEST_EQ(0, counting_oracle::default_ctor_count);