cpp.react/tests/src/MoveTest.h at master · SymmetryLabs/cpp.react · GitHub

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// Copyright Sebastian Jeckel 2014.

// Distributed under the Boost Software License, Version 1.0.

// (See accompanying file LICENSE_1_0.txt or copy at

// http://www.boost.org/LICENSE_1_0.txt)

#pragma once

#include "gtest/gtest.h"

#include "react/Domain.h"

#include "react/Signal.h"

///////////////////////////////////////////////////////////////////////////////////////////////////

namespace {

using namespace react;

///////////////////////////////////////////////////////////////////////////////////////////////////

/// MoveTest fixture

///////////////////////////////////////////////////////////////////////////////////////////////////

template <typename TParams>

class MoveTest : public testing::Test

{

public:

template <EPropagationMode mode>

class MyEngine : public TParams::template EngineT<mode> {};

REACTIVE_DOMAIN(MyDomain, TParams::mode, MyEngine)

struct Stats

{

int copyCount = 0;

int moveCount = 0;

};

struct CopyCounter

{

int v = 0;

Stats* stats = nullptr;

CopyCounter() = default;

CopyCounter(int x, Stats* s) :

v( x ),

stats( s )

{}

CopyCounter(const CopyCounter& other) :

v( other.v ),

stats( other.stats )

{

stats->copyCount++;

}

CopyCounter(CopyCounter&& other) :

v( other.v ),

stats( other.stats )

{

stats->moveCount++;

}

CopyCounter& operator=(const CopyCounter& other)

{

v = other.v;

stats = other.stats;

stats->copyCount++;

return *this;

}

CopyCounter& operator=(CopyCounter&& other)

{

v = other.v;

stats = other.stats;

stats->moveCount++;

return *this;

}

CopyCounter operator+(const CopyCounter& r) const

{

return CopyCounter{ v + r.v, stats };

}

bool operator==(const CopyCounter& other) const

{

return v == other.v;

}

};

TYPED_TEST_CASE_P(MoveTest);

///////////////////////////////////////////////////////////////////////////////////////////////////

/// Copy1

///////////////////////////////////////////////////////////////////////////////////////////////////

TYPED_TEST_P(MoveTest, Copy1)

{

using D = typename Copy1::MyDomain;

using CopyCounter = typename Copy1::CopyCounter;

using Stats = typename Copy1::Stats;

Stats stats1;

auto a = MakeVar<D>(CopyCounter{1,&stats1});

auto b = MakeVar<D>(CopyCounter{10,&stats1});

auto c = MakeVar<D>(CopyCounter{100,&stats1});

auto d = MakeVar<D>(CopyCounter{1000,&stats1});

// 4x move to value_

// 4x copy to newValue_ (can't be unitialized for references)

ASSERT_EQ(stats1.copyCount, 4);

ASSERT_EQ(stats1.moveCount, 4);

auto x = a + b + c + d;

ASSERT_EQ(stats1.copyCount, 4);

ASSERT_EQ(stats1.moveCount, 7);

ASSERT_EQ(x().v, 1111);

a <<= CopyCounter{2,&stats1};

ASSERT_EQ(stats1.copyCount, 4);

ASSERT_EQ(stats1.moveCount, 10);

ASSERT_EQ(x().v, 1112);

}

///////////////////////////////////////////////////////////////////////////////////////////////////

REGISTER_TYPED_TEST_CASE_P

(

MoveTest,

Copy1

);

} // ~namespace

cpp.react/tests/src/MoveTest.h at master · SymmetryLabs/cpp.react · GitHub

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