mirror of
https://github.com/boostorg/contract.git
synced 2026-01-30 19:52:17 +00:00
resolved most todo and recompiled most examples and tests
This commit is contained in:
Lorenzo Caminiti
258
test/misc/mutex.cpp
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258
test/misc/mutex.cpp
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// Test scoped mutex locks before contracts (no need to also test ctors, etc.).
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#include "../detail/oteststream.hpp"
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#include <boost/contract.hpp>
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#include <boost/thread/mutex.hpp>
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#include <boost/thread/thread.hpp>
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#include <boost/detail/lightweight_test.hpp>
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#include <sstream>
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boost::contract::test::detail::oteststream out;
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struct b : private boost::contract::constructor_precondition<b> {
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static void static_invariant() { out << "b::static_inv" << std::endl; }
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void invariant() const { out << "b::inv" << std::endl; }
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b() : boost::contract::constructor_precondition<b>(
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[&] { out << "b::ctor::pre" << std::endl; }) {
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boost::mutex::scoped_lock lock(mutex_);
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boost::contract::guard c = boost::contract::constructor(this)
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.old([&] { out << "b::ctor::old" << std::endl; })
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.postcondition([&] { out << "b::ctor::post" << std::endl; })
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;
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out << "b::ctor::body" << std::endl;
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}
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virtual ~b() {
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boost::mutex::scoped_lock lock(mutex_);
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boost::contract::guard c = boost::contract::destructor(this)
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.old([&] { out << "b::dtor::old" << std::endl; })
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.postcondition([&] { out << "b::dtor::post" << std::endl; })
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;
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out << "b::dtor::body" << std::endl;
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}
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virtual void f(boost::contract::virtual_* v = 0) const {
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boost::mutex::scoped_lock lock(mutex_);
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boost::contract::guard c = boost::contract::public_function(v, this)
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.precondition([&] { out << "b::f::pre" << std::endl; })
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.old([&] { out << "b::f::old" << std::endl; })
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.postcondition([&] { out << "b::f::post" << std::endl; })
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;
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out << "b::f::body" << std::endl;
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}
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virtual void g(boost::contract::virtual_* v = 0) const {
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boost::mutex::scoped_lock lock(mutex_);
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boost::contract::guard c = boost::contract::public_function(v, this)
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.precondition([&] { out << "b::g::pre" << std::endl; })
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.old([&] { out << "b::g::old" << std::endl; })
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.postcondition([&] { out << "b::g::post" << std::endl; })
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;
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out << "b::g::body" << std::endl;
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}
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private:
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mutable boost::mutex mutex_;
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};
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struct a
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#define BASES private boost::contract::constructor_precondition<a>, public b
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: BASES
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{
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typedef BOOST_CONTRACT_BASE_TYPES(BASES) base_types;
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#undef BASES
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static void static_invariant() { out << "a::static_inv" << std::endl; }
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void invariant() const { out << "a::inv" << std::endl; }
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a() : boost::contract::constructor_precondition<a>(
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[&] { out << "a::ctor::pre" << std::endl; }) {
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boost::mutex::scoped_lock lock(mutex_);
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boost::contract::guard c = boost::contract::constructor(this)
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.old([&] { out << "a::ctor::old" << std::endl; })
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.postcondition([&] { out << "a::ctor::post" << std::endl; })
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;
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out << "a::ctor::body" << std::endl;
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}
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~a() {
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boost::mutex::scoped_lock lock(mutex_);
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boost::contract::guard c = boost::contract::destructor(this)
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.old([&] { out << "a::dtor::old" << std::endl; })
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.postcondition([&] { out << "a::dtor::post" << std::endl; })
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;
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out << "a::dtor::body" << std::endl;
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}
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void f(boost::contract::virtual_* v = 0) const /* override */ {
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boost::mutex::scoped_lock lock(mutex_);
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boost::contract::guard c = boost::contract::public_function<override_f>(
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v, &a::f, this)
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.precondition([&] { out << "a::f::pre" << std::endl; })
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.old([&] { out << "a::f::old" << std::endl; })
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.postcondition([&] { out << "a::f::post" << std::endl; })
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;
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out << "a::f::body" << std::endl;
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}
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BOOST_CONTRACT_OVERRIDE(f)
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void g(boost::contract::virtual_* v = 0) const /* override */ {
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boost::mutex::scoped_lock lock(mutex_);
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boost::contract::guard c = boost::contract::public_function<override_g>(
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v, &a::g, this)
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.precondition([&] { out << "a::g::pre" << std::endl; })
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.old([&] { out << "a::g::old" << std::endl; })
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.postcondition([&] { out << "a::g::post" << std::endl; })
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;
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out << "a::g::body" << std::endl;
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}
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BOOST_CONTRACT_OVERRIDE(g)
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private:
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mutable boost::mutex mutex_;
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};
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int main() {
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// Unfortunately, I cannot compile Boost.Thread on Cygwin with GCC and
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// CLang... I get linker errors even if I use `threadapi=pthread` and add
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// `<library>/boost/thread//boost_thread` to the Jamfile.
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#ifdef BOOST_MSVC
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{
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a aa;
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boost::thread tf([&aa] { aa.f(); });
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boost::thread tg([&aa] { aa.g(); });
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tf.join();
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tg.join();
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}
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std::ostringstream ok; ok // Mutexes also guarantee order of text in `out`.
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// Test constructor.
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#ifndef BOOST_CONTRACT_NO_PRECONDITIONS
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<< "a::ctor::pre" << std::endl
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<< "b::ctor::pre" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
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<< "b::static_inv" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
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<< "b::ctor::old" << std::endl
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#endif
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<< "b::ctor::body" << std::endl
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#ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
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<< "b::static_inv" << std::endl
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<< "b::inv" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
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<< "b::ctor::post" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
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<< "a::static_inv" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
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<< "a::ctor::old" << std::endl
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#endif
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<< "a::ctor::body" << std::endl
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#ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
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<< "a::static_inv" << std::endl
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<< "a::inv" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
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<< "a::ctor::post" << std::endl
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#endif
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// Test public functions.
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#ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
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<< "b::static_inv" << std::endl
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<< "b::inv" << std::endl
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<< "a::static_inv" << std::endl
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<< "a::inv" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_PRECONDITIONS
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<< "b::f::pre" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
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<< "b::f::old" << std::endl
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<< "a::f::old" << std::endl
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#endif
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<< "a::f::body" << std::endl
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#ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
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<< "b::static_inv" << std::endl
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<< "b::inv" << std::endl
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<< "a::static_inv" << std::endl
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<< "a::inv" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
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<< "b::f::old" << std::endl
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<< "b::f::post" << std::endl
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<< "a::f::post" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
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<< "b::static_inv" << std::endl
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<< "b::inv" << std::endl
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<< "a::static_inv" << std::endl
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<< "a::inv" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_PRECONDITIONS
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<< "b::g::pre" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
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<< "b::g::old" << std::endl
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<< "a::g::old" << std::endl
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#endif
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<< "a::g::body" << std::endl
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#ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
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<< "b::static_inv" << std::endl
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<< "b::inv" << std::endl
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<< "a::static_inv" << std::endl
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<< "a::inv" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
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<< "b::g::old" << std::endl
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<< "b::g::post" << std::endl
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<< "a::g::post" << std::endl
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#endif
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// Test destructor.
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#ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
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<< "a::static_inv" << std::endl
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<< "a::inv" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
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<< "a::dtor::old" << std::endl
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#endif
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<< "a::dtor::body" << std::endl
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#ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
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<< "a::static_inv" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
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<< "a::dtor::post" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
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<< "b::static_inv" << std::endl
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<< "b::inv" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
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<< "b::dtor::old" << std::endl
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#endif
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<< "b::dtor::body" << std::endl
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#ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
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<< "b::static_inv" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
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<< "b::dtor::post" << std::endl
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#endif
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;
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BOOST_TEST(out.eq(ok.str()));
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#endif
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return boost::report_errors();
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}
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