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96 lines
2.9 KiB
C++
96 lines
2.9 KiB
C++
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#include "../aux_/oteststream.hpp"
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#include <boost/contract/constructor.hpp>
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#include <boost/detail/lightweight_test.hpp>
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#include <sstream>
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// Test post or nothing combinations that can be set for constructors
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// (destructors use same setter objects, so no need to test those too).
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boost::contract::aux::test::oteststream out;
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struct nothing {
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void invariant() const { out << "inv" << std::endl; }
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static void static_invariant() { out << "static_inv" << std::endl; }
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explicit nothing() {
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auto c = boost::contract::constructor(this);
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out << "body" << std::endl;
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}
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};
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struct pre_only : private boost::contract::constructor_precondition<pre_only> {
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void invariant() const { out << "inv" << std::endl; }
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static void static_invariant() { out << "static_inv" << std::endl; }
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explicit pre_only() :
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boost::contract::constructor_precondition<pre_only>([&] {
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out << "pre" << std::endl;
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})
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{
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auto c = boost::contract::constructor(this);
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out << "body" << std::endl;
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}
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};
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struct post_only {
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void invariant() const { out << "inv" << std::endl; }
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static void static_invariant() { out << "static_inv" << std::endl; }
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explicit post_only() {
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auto c = boost::contract::constructor(this)
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.postcondition([&] { out << "post" << std::endl; })
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;
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out << "body" << std::endl;
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}
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};
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struct pre_post : private boost::contract::constructor_precondition<pre_post> {
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void invariant() const { out << "inv" << std::endl; }
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static void static_invariant() { out << "static_inv" << std::endl; }
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explicit pre_post() :
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boost::contract::constructor_precondition<pre_post>([&] {
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out << "pre" << std::endl;
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})
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{
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auto c = boost::contract::constructor(this)
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.postcondition([&] { out << "post" << std::endl; })
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;
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out << "body" << std::endl;
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}
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};
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int main() {
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std::ostringstream ok;
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out.str("");
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nothing n;
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ok.str(""); ok << "static_inv" << std::endl << "body" << std::endl <<
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"static_inv" << std::endl << "inv" << std::endl;
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BOOST_TEST(out.check(ok.str()));
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out.str("");
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pre_only e;
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ok.str(""); ok << "pre" << std::endl << "static_inv" << std::endl << "body"
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<< std::endl << "static_inv" << std::endl << "inv" << std::endl;
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BOOST_TEST(out.check(ok.str()));
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out.str("");
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post_only o;
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ok.str(""); ok << "static_inv" << std::endl << "body" << std::endl <<
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"static_inv" << std::endl << "inv" << std::endl << "post" <<
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std::endl;
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BOOST_TEST(out.check(ok.str()));
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out.str("");
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pre_post pp;
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ok.str(""); ok << "pre" << std::endl << "static_inv" << std::endl << "body"
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<< std::endl << "static_inv" << std::endl << "inv" << std::endl <<
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"post" << std::endl;
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BOOST_TEST(out.check(ok.str()));
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return boost::report_errors();
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}
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