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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
// Test old inits/ftors and of mixed types up inheritance tree.
#include "../detail/oteststream.hpp"
#include <boost/contract/public_function.hpp>
#include <boost/contract/base_types.hpp>
#include <boost/contract/assert.hpp>
#include <boost/contract/old.hpp>
#include <boost/contract/check.hpp>
#include <boost/contract/override.hpp>
#include <boost/lexical_cast.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <sstream>
#include <string>
boost::contract::test::detail::oteststream out;
struct num {
static num make(int i) { // Test no ctor (not even explicit) but for copy.
num n;
n.value(i);
return n;
}
num(num const& other) : value_(other.value_) {}
void value(int i) { value_ = boost::lexical_cast<std::string>(i); }
int value() const { return boost::lexical_cast<int>(value_); }
num operator+(int left) {
num n;
n.value(value() + left);
return n;
}
private:
num() {} // Test no visible default ctor (only copy ctor).
num& operator=(num const&); // Test no copy operator (only copy ctor).
std::string value_; // Test this size-of != from other old type `int` below.
};
struct c {
virtual void f(int& i, num& n, boost::contract::virtual_* v = 0) {
boost::contract::old_ptr<int> old_a = BOOST_CONTRACT_OLDOF(v, i + 1);
boost::contract::old_ptr<num> old_b = BOOST_CONTRACT_OLDOF(v, n + 2);
boost::contract::old_ptr<int> old_x;
boost::contract::old_ptr<num> old_y;
boost::contract::check c = boost::contract::public_function(v, this)
.old([&] {
out << "c::f::old" << std::endl;
old_x = BOOST_CONTRACT_OLDOF(v, i + 3);
old_y = BOOST_CONTRACT_OLDOF(v, n + 4);
})
.postcondition([&] {
out << "c::f::post" << std::endl;
BOOST_CONTRACT_ASSERT(*old_a == n.value() + 1);
BOOST_CONTRACT_ASSERT(old_b->value() == i + 2);
BOOST_CONTRACT_ASSERT(*old_x == n.value() + 3);
BOOST_CONTRACT_ASSERT(old_y->value() == i + 4);
})
;
out << "c::f::body" << std::endl;
int tmp = i;
i = n.value();
n.value(tmp);
}
};
struct b
#define BASES public c
: BASES
{
typedef BOOST_CONTRACT_BASE_TYPES(BASES) base_types;
#undef BASES
virtual void f(int& i, num& n, boost::contract::virtual_* v = 0)
/* override */ {
boost::contract::old_ptr<int> old_a = BOOST_CONTRACT_OLDOF(v, i + 1);
boost::contract::old_ptr<num> old_b = BOOST_CONTRACT_OLDOF(v, n + 2);
boost::contract::old_ptr<int> old_x;
boost::contract::old_ptr<num> old_y;
boost::contract::check c = boost::contract::public_function<
override_f>(v, &c::f, this, i, n)
.old([&] {
out << "b::f::old" << std::endl;
old_x = BOOST_CONTRACT_OLDOF(v, i + 3);
old_y = BOOST_CONTRACT_OLDOF(v, n + 4);
})
.postcondition([&] {
out << "b::f::post" << std::endl;
BOOST_CONTRACT_ASSERT(*old_a == n.value() + 1);
BOOST_CONTRACT_ASSERT(old_b->value() == i + 2);
BOOST_CONTRACT_ASSERT(*old_x == n.value() + 3);
BOOST_CONTRACT_ASSERT(old_y->value() == i + 4);
})
;
out << "b::f::body" << std::endl;
int tmp = i;
i = n.value();
n.value(tmp);
}
BOOST_CONTRACT_OVERRIDE(f)
};
struct a
#define BASES public b
: BASES
{
typedef BOOST_CONTRACT_BASE_TYPES(BASES) base_types;
#undef BASES
virtual void f(int& i, num& n, boost::contract::virtual_* v = 0)
/* override */ {
boost::contract::old_ptr<int> old_a = BOOST_CONTRACT_OLDOF(v, i + 1);
boost::contract::old_ptr<num> old_b = BOOST_CONTRACT_OLDOF(v, n + 2);
boost::contract::old_ptr<int> old_x;
boost::contract::old_ptr<num> old_y;
boost::contract::check c = boost::contract::public_function<
override_f>(v, &c::f, this, i, n)
.old([&] {
out << "a::f::old" << std::endl;
old_x = BOOST_CONTRACT_OLDOF(v, i + 3);
old_y = BOOST_CONTRACT_OLDOF(v, n + 4);
})
.postcondition([&] {
out << "a::f::post" << std::endl;
BOOST_CONTRACT_ASSERT(*old_a == n.value() + 1);
BOOST_CONTRACT_ASSERT(old_b->value() == i + 2);
BOOST_CONTRACT_ASSERT(*old_x == n.value() + 3);
BOOST_CONTRACT_ASSERT(old_y->value() == i + 4);
})
;
out << "a::f::body" << std::endl;
int tmp = i;
i = n.value();
n.value(tmp);
}
BOOST_CONTRACT_OVERRIDE(f)
};
int main() {
std::ostringstream ok;
int i = 0;
num n = num::make(0);
i = 123;
n.value(-123);
a aa; // Test virtual call with 2 bases.
out.str("");
aa.f(i, n);
ok.str(""); ok
#ifndef BOOST_CONTRACT_NO_OLDS
<< "c::f::old" << std::endl
<< "b::f::old" << std::endl
<< "a::f::old" << std::endl
#endif
<< "a::f::body" << std::endl
#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
<< "c::f::old" << std::endl
<< "c::f::post" << std::endl
<< "b::f::old" << std::endl
<< "b::f::post" << std::endl
// No old call here because not a base object.
<< "a::f::post" << std::endl
#endif
;
BOOST_TEST(out.eq(ok.str()));
i = 456;
n.value(-456);
b bb; // Test virtual call with 1 base.
out.str("");
bb.f(i, n);
ok.str(""); ok
#ifndef BOOST_CONTRACT_NO_OLDS
<< "c::f::old" << std::endl
<< "b::f::old" << std::endl
#endif
<< "b::f::body" << std::endl
#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
<< "c::f::old" << std::endl
<< "c::f::post" << std::endl
// No old call here because not a base object.
<< "b::f::post" << std::endl
#endif
;
BOOST_TEST(out.eq(ok.str()));
i = 789;
n.value(-789);
c cc; // Test virtual call with no bases.
out.str("");
cc.f(i, n);
ok.str(""); ok
#ifndef BOOST_CONTRACT_NO_OLDS
<< "c::f::old" << std::endl
#endif
<< "c::f::body" << std::endl
#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
// No old call here because not a base object.
<< "c::f::post" << std::endl
#endif
;
BOOST_TEST(out.eq(ok.str()));
return boost::report_errors();
}
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