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C++

// eventpp library
// Copyright (C) 2018 Wang Qi (wqking)
// Github: https://github.com/wqking/eventpp
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef TEST_H
#define TEST_H
#include "../catch.hpp"
template <typename Callable, typename ReturnType = void>
struct EraseArgs1
{
template <typename C>
explicit EraseArgs1(const C & callable) : callable(callable)
{
}
template <typename First, typename ...Args>
ReturnType operator() (First &&, Args && ...args)
{
callable(std::forward(args)...);
}
Callable callable;
};
template <typename Callable>
EraseArgs1<Callable> eraseArgs1(const Callable & callable)
{
return EraseArgs1<Callable>(callable);
}
template <typename T>
bool checkAllWeakPtrAreFreed(const T & nodeList)
{
for(const auto & node : nodeList) {
if(node.lock()) {
return false;
}
}
return true;
}
// Can be converted from int implicitly
struct FromInt
{
FromInt() : value(0) {}
FromInt(const int value) : value(value) {}
int value;
};
// Can convert to int implicitly
struct ToInt
{
ToInt() : value(0) {}
explicit ToInt(const int value) : value(value) {}
operator int() const { return value; }
int value;
};
// return 0 -- no order, 1 -- ascend -1 -- descend
template <typename Iterator>
int detectDataListOrder(Iterator from, Iterator to)
{
if(from == to) {
return 0;
}
auto previous = *from;
++from;
bool ascend = false;
bool descend = false;
while(from != to) {
auto current = *from;
++from;
if(current > previous) {
ascend = true;
}
if(current < previous) {
descend = true;
}
if(ascend && descend) {
return 0;
}
previous = current;
}
if(ascend) {
return 1;
}
if(descend) {
return -1;
}
return 0;
}
#endif