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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 <boost/contract.hpp>
#include <cassert>
//[volatile
class u {
public:
static void static_invariant(); // Static invariants.
void invariant() const volatile; // Volatile invariants.
void invariant() const; // Const invariants.
u() { // Check static, volatile, and const invariants.
boost::contract::check c= boost::contract::constructor(this);
}
~u() { // Check static, volatile, and const invariants.
boost::contract::check c = boost::contract::destructor(this);
}
void nc() { // Check static and const invariants.
boost::contract::check c = boost::contract::public_function(this);
}
void c() const { // Check static and const invariants.
boost::contract::check c = boost::contract::public_function(this);
}
void v() volatile { // Check static and volatile invariants.
boost::contract::check c = boost::contract::public_function(this);
}
void cv() const volatile { // Check static and volatile invariants.
boost::contract::check c = boost::contract::public_function(this);
}
static void s() { // Check static invariants only.
boost::contract::check c = boost::contract::public_function<u>();
}
};
//]
bool static_inv_checked, cv_inv_checked, const_inv_checked;
void u::static_invariant() { static_inv_checked = true; }
void u::invariant() const volatile { cv_inv_checked = true; }
void u::invariant() const { const_inv_checked = true; }
int main() {
#ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
{
static_inv_checked = cv_inv_checked = const_inv_checked = false;
u x;
assert(static_inv_checked);
assert(cv_inv_checked);
assert(const_inv_checked);
static_inv_checked = cv_inv_checked = const_inv_checked = false;
x.nc();
assert(static_inv_checked);
assert(!cv_inv_checked);
assert(const_inv_checked);
static_inv_checked = cv_inv_checked = const_inv_checked = false;
x.c();
assert(static_inv_checked);
assert(!cv_inv_checked);
assert(const_inv_checked);
static_inv_checked = cv_inv_checked = const_inv_checked = false;
x.v();
assert(static_inv_checked);
assert(cv_inv_checked);
assert(!const_inv_checked);
static_inv_checked = cv_inv_checked = const_inv_checked = false;
x.cv();
assert(static_inv_checked);
assert(cv_inv_checked);
assert(!const_inv_checked);
static_inv_checked = cv_inv_checked = const_inv_checked = false;
x.s();
assert(static_inv_checked);
assert(!cv_inv_checked);
assert(!const_inv_checked);
static_inv_checked = cv_inv_checked = const_inv_checked = false;
} // Call destructor.
#ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
assert(static_inv_checked);
assert(cv_inv_checked);
assert(const_inv_checked);
#endif
#endif
return 0;
}
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