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// Copyright (C) 2008-2018 Lorenzo Caminiti
// Distributed under the Boost Software License, Version 1.0 (see accompanying
// file LICENSE_1_0.txt or a copy at http://www.boost.org/LICENSE_1_0.txt).
// See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html
#include "no_lambdas.hpp"
#include <boost/bind.hpp>
#include <cassert>
//[no_lambdas_cpp
iarray::iarray(unsigned max, unsigned count) :
boost::contract::constructor_precondition<iarray>(boost::bind(
&iarray::constructor_precondition, max, count)),
values_(new int[max]), // Member initializations can be here.
capacity_(max)
{
boost::contract::old_ptr<int> old_instances;
boost::contract::check c = boost::contract::constructor(this)
.old(boost::bind(&iarray::constructor_old, boost::ref(old_instances)))
.postcondition(boost::bind(
&iarray::constructor_postcondition,
this,
boost::cref(max),
boost::cref(count),
boost::cref(old_instances)
))
;
for(unsigned i = 0; i < count; ++i) values_[i] = int();
size_ = count;
++instances_;
}
iarray::~iarray() {
boost::contract::old_ptr<int> old_instances;
boost::contract::check c = boost::contract::destructor(this)
.old(boost::bind(&iarray::destructor_old, this,
boost::ref(old_instances)))
.postcondition(boost::bind(&iarray::destructor_postcondition,
boost::cref(old_instances)))
;
delete[] values_;
--instances_;
}
void iarray::push_back(int value, boost::contract::virtual_* v) {
boost::contract::old_ptr<unsigned> old_size;
boost::contract::check c = boost::contract::public_function(v, this)
.precondition(boost::bind(&iarray::push_back_precondition, this))
.old(boost::bind(&iarray::push_back_old, this, boost::cref(v),
boost::ref(old_size)))
.postcondition(boost::bind(&iarray::push_back_postcondition, this,
boost::cref(old_size)))
;
values_[size_++] = value;
}
unsigned iarray::capacity() const {
// Check invariants.
boost::contract::check c = boost::contract::public_function(this);
return capacity_;
}
unsigned iarray::size() const {
// Check invariants.
boost::contract::check c = boost::contract::public_function(this);
return size_;
}
int iarray::instances() {
// Check static invariants.
boost::contract::check c = boost::contract::public_function<iarray>();
return instances_;
}
int iarray::instances_ = 0;
//]
int main() {
iarray a(3, 2);
assert(a.capacity() == 3);
assert(a.size() == 2);
a.push_back(-123);
assert(a.size() == 3);
return 0;
}
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