kepka/Telegram/SourceFiles/base/tests/flat_set_tests.cpp

52 lines
1.5 KiB
C++

//
// This file is part of Kepka,
// an unofficial desktop version of Telegram messaging app,
// see https://github.com/procxx/kepka
//
// Kepka 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/procxx/kepka/blob/master/LICENSE
// Copyright (c) 2014-2017 John Preston, https://desktop.telegram.org
// Copyright (c) 2017- Kepka Contributors, https://github.com/procxx
//
#define CATCH_CONFIG_MAIN
#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();
}
}