mirror of
https://github.com/revng/revng
synced 2026-06-21 14:07:57 +00:00
Pietro Fezzardi
105 lines
2.3 KiB
C++
105 lines
2.3 KiB
C++
/// \file SmallMap.cpp
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/// \brief Tests for SmallMap
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//
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// This file is distributed under the MIT License. See LICENSE.md for details.
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//
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#include <functional>
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#define BOOST_TEST_MODULE SmallMapLowerBound
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bool init_unit_test();
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#include "boost/test/unit_test.hpp"
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#include "revng/ADT/SmallMap.h"
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using namespace llvm;
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BOOST_AUTO_TEST_CASE(SmallLowerBound) {
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SmallMap<int, int, 10> Map;
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std::map<int, int> Ref;
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// Elements are inserted in reverse order on purpose, to guard for a bug that
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// is trigger when the internal small-size-optimized container of SmallMap is
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// not sorted.
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Map[4] = 4;
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Map[2] = 2;
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Map[0] = 0;
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Ref[4] = 4;
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Ref[2] = 2;
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Ref[0] = 0;
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auto MIt = Map.lower_bound(3);
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auto RIt = Ref.lower_bound(3);
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revng_check(RIt != Ref.end());
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revng_check(MIt != Map.end());
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revng_check(RIt->second == MIt->second);
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}
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BOOST_AUTO_TEST_CASE(SmallCustomCompare) {
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SmallMap<int, int, 10, std::greater<int>> Map;
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std::map<int, int, std::greater<int>> Ref;
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// Elements are inserted in reverse order on purpose, to guard for a bug that
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// is trigger when the internal small-size-optimized container of SmallMap is
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// not sorted.
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// Given that we're sorting with std::greater<int> the reverse order is
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// actually the normal order here.
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Map[0] = 0;
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Map[2] = 2;
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Map[4] = 4;
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Ref[0] = 0;
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Ref[2] = 2;
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Ref[4] = 4;
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auto MIt = Map.lower_bound(3);
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auto RIt = Ref.lower_bound(3);
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revng_check(RIt != Ref.end());
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revng_check(MIt != Map.end());
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revng_check(RIt->second == MIt->second);
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}
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BOOST_AUTO_TEST_CASE(LowerBound) {
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SmallMap<int, int, 1> Map;
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std::map<int, int> Ref;
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Map[4] = 4;
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Map[2] = 2;
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Map[0] = 0;
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Ref[4] = 4;
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Ref[2] = 2;
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Ref[0] = 0;
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auto MIt = Map.lower_bound(3);
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auto RIt = Ref.lower_bound(3);
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revng_check(RIt != Ref.end());
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revng_check(MIt != Map.end());
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revng_check(RIt->second == MIt->second);
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}
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BOOST_AUTO_TEST_CASE(CustomCompare) {
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SmallMap<int, int, 1, std::greater<int>> Map;
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std::map<int, int, std::greater<int>> Ref;
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Map[0] = 0;
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Map[2] = 2;
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Map[4] = 4;
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Ref[0] = 0;
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Ref[2] = 2;
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Ref[4] = 4;
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auto MIt = Map.lower_bound(3);
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auto RIt = Ref.lower_bound(3);
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revng_check(RIt != Ref.end());
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revng_check(MIt != Map.end());
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revng_check(RIt->second == MIt->second);
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}
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