Files
scylladb/test/boost/map_difference_test.cc
Avi Kivity 7a42927a3d treewide: stop using 'using namespace std' in namespace scope
Such namespace-wide imports can create conflicts between names that
are the same in seastar and std, such as {std,seastar}::future and
{std,seastar}::format, since we also have 'using namespace seastar'.

Replace the namespace imports with explicit qualification, or with
specific name imports.

Closes #13528
2023-04-17 14:08:37 +03:00

120 lines
2.7 KiB
C++

/*
* Copyright (C) 2015-present ScyllaDB
*/
/*
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
#define BOOST_TEST_MODULE core
#include <boost/test/unit_test.hpp>
#include "map_difference.hh"
#include <map>
#include <set>
using std::map;
using std::set;
BOOST_AUTO_TEST_CASE(both_empty) {
map<int, int> left;
map<int, int> right;
auto diff = difference(left, right, [](int x, int y) -> bool {
return x == y;
});
BOOST_REQUIRE(diff.entries_only_on_left.empty());
BOOST_REQUIRE(diff.entries_only_on_right.empty());
BOOST_REQUIRE(diff.entries_in_common.empty());
BOOST_REQUIRE(diff.entries_differing.empty());
}
BOOST_AUTO_TEST_CASE(left_empty) {
map<int, int> left;
map<int, int> right;
right.emplace(1, 100);
right.emplace(2, 200);
set<int> keys;
keys.emplace(1);
keys.emplace(2);
auto diff = difference(left, right, [](int x, int y) -> bool {
return x == y;
});
BOOST_REQUIRE(diff.entries_only_on_left.empty());
BOOST_REQUIRE(diff.entries_only_on_right == keys);
BOOST_REQUIRE(diff.entries_in_common.empty());
BOOST_REQUIRE(diff.entries_differing.empty());
}
BOOST_AUTO_TEST_CASE(right_empty) {
map<int, int> left;
map<int, int> right;
left.emplace(1, 100);
left.emplace(2, 200);
set<int> keys;
keys.emplace(1);
keys.emplace(2);
auto diff = difference(left, right, [](int x, int y) -> bool {
return x == y;
});
BOOST_REQUIRE(diff.entries_only_on_left == keys);
BOOST_REQUIRE(diff.entries_only_on_right.empty());
BOOST_REQUIRE(diff.entries_in_common.empty());
BOOST_REQUIRE(diff.entries_differing.empty());
}
BOOST_AUTO_TEST_CASE(both_same) {
map<int, int> left;
map<int, int> right;
left.emplace(1, 100);
left.emplace(2, 200);
right.emplace(1, 100);
right.emplace(2, 200);
set<int> keys;
keys.emplace(1);
keys.emplace(2);
auto diff = difference(left, right, [](int x, int y) -> bool {
return x == y;
});
BOOST_REQUIRE(diff.entries_only_on_left.empty());
BOOST_REQUIRE(diff.entries_only_on_right.empty());
BOOST_REQUIRE(diff.entries_in_common == keys);
BOOST_REQUIRE(diff.entries_differing.empty());
}
BOOST_AUTO_TEST_CASE(differing_values) {
map<int, int> left;
map<int, int> right;
left.emplace(1, 100);
left.emplace(2, 200);
right.emplace(1, 1000);
right.emplace(2, 2000);
auto diff = difference(left, right, [](int x, int y) -> bool {
return x == y;
});
BOOST_REQUIRE(diff.entries_only_on_left.empty());
BOOST_REQUIRE(diff.entries_only_on_right.empty());
BOOST_REQUIRE(diff.entries_in_common.empty());
BOOST_REQUIRE(diff.entries_differing.size() == 2);
}