tdesktop/Telegram/SourceFiles/base/flat_set_tests.cpp

49 lines
1.4 KiB
C++

/*
This file is part of Telegram Desktop,
the official desktop version of Telegram messaging app, see https://telegram.org
Telegram Desktop is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
It is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
In addition, as a special exception, the copyright holders give permission
to link the code of portions of this program with the OpenSSL library.
Full license: https://github.com/telegramdesktop/tdesktop/blob/master/LICENSE
Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
*/
#include "catch.hpp"
#include "base/flat_set.h"
TEST_CASE("flat_sets should keep items sorted", "[flat_set]") {
base::flat_set<int> v;
v.insert(0);
v.insert(5);
v.insert(4);
v.insert(2);
auto checkSorted = [&] {
auto prev = v.begin();
REQUIRE(prev != v.end());
for (auto i = prev + 1; i != v.end(); prev = i, ++i) {
REQUIRE(*prev < *i);
}
};
REQUIRE(v.size() == 4);
checkSorted();
SECTION("adding item puts it in the right position") {
v.insert(3);
REQUIRE(v.size() == 5);
REQUIRE(v.find(3) != v.end());
checkSorted();
}
}