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