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added tests for throwing from .old()

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This commit is contained in:
Lorenzo Caminiti
2015-12-15 11:51:44 -08:00
parent 07248b63ea
commit ec79700b26
11 changed files with 538 additions and 141 deletions
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95
test/destructor/body_throw.cpp
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@@ -1,5 +1,5 @@
// Test destructor body throwing (in middle branch of inheritance tree).
// Test throw from destructor body (in middle branch of inheritance tree).
#include "../aux_/oteststream.hpp"
#include <boost/contract/destructor.hpp>
@@ -7,8 +7,6 @@
#include <boost/contract/guard.hpp>
#include <boost/config.hpp>
#include <boost/detail/lightweight_test.hpp>
#include <exception>
#include <cstdlib>
#include <sstream>
boost::contract::aux::test::oteststream out;
@@ -17,7 +15,7 @@ struct c {
static void static_invariant() { out << "c::static_inv" << std::endl; }
void invariant() const { out << "c::inv" << std::endl; }
~c() {
~c() BOOST_NOEXCEPT_IF(false) {
boost::contract::guard c = boost::contract::destructor(this)
.old([&] { out << "c::dtor::old" << std::endl; })
.postcondition([] { out << "c::dtor::post" << std::endl; })
@@ -37,15 +35,15 @@ struct b
static void static_invariant() { out << "b::static_inv" << std::endl; }
void invariant() const { out << "b::inv" << std::endl; }
struct e {};
struct err {};
~b() {
~b() BOOST_NOEXCEPT_IF(false) {
boost::contract::guard c = boost::contract::destructor(this)
.old([&] { out << "b::dtor::old" << std::endl; })
.postcondition([] { out << "b::dtor::post" << std::endl; })
;
out << "b::dtor::body" << std::endl;
throw b::e(); // Test body throw (from inheritance mid branch).
throw b::err(); // Test body throw (from inheritance mid branch).
}
};
@@ -59,7 +57,7 @@ struct a
static void static_invariant() { out << "a::static_inv" << std::endl; }
void invariant() const { out << "a::inv" << std::endl; }
~a() {
~a() BOOST_NOEXCEPT_IF(false) {
boost::contract::guard c = boost::contract::destructor(this)
.old([&] { out << "a::dtor::old" << std::endl; })
.postcondition([] { out << "a::dtor::post" << std::endl; })
@@ -69,52 +67,45 @@ struct a
}
};
void t() {
std::ostringstream ok;
ok.str(""); ok
<< "a::static_inv" << std::endl
<< "a::inv" << std::endl
<< "a::dtor::old" << std::endl
<< "a::dtor::body" << std::endl
<< "a::static_inv" << std::endl
// Test a destructed (so only static_inv and post).
<< "a::dtor::post" << std::endl
<< "b::static_inv" << std::endl
<< "b::inv" << std::endl
<< "b::dtor::old" << std::endl
<< "b::dtor::body" << std::endl
// TODO: Document this (even if dtors should never throw in C++ anyways...).
// Unfortunately, only Clang gets this right... Both MSVC and GCC seem to stop
// everything as soon as the destructor throws an exception...
#ifdef BOOST_CLANG
// Test b not destructed (so both static_inv and inv, but no post).
<< "b::static_inv" << std::endl
<< "b::inv" << std::endl
<< "c::static_inv" << std::endl
<< "c::inv" << std::endl
<< "c::dtor::old" << std::endl
<< "c::dtor::body" << std::endl
// Test c not destructed (so both static_inv and inv, but no post).
<< "c::static_inv" << std::endl
<< "c::inv" << std::endl
#endif // BOOST_CLANG
;
BOOST_TEST(out.eq(ok.str()));
std::exit(boost::report_errors());
}
int main() {
std::set_terminate(&t); // Must use terminate to handle dtor throw.
{
out.str("");
a aa;
} // Call destructor (which calls t on throw).
std::ostringstream ok;
try {
{
a aa;
out.str("");
}
BOOST_TEST(false);
} catch(b::err const&) {
ok.str(""); ok
<< "a::static_inv" << std::endl
<< "a::inv" << std::endl
<< "a::dtor::old" << std::endl
<< "a::dtor::body" << std::endl
// Test a destructed (so only static_inv and post, but no inv).
<< "a::static_inv" << std::endl
<< "a::dtor::post" << std::endl
<< "b::static_inv" << std::endl
<< "b::inv" << std::endl
<< "b::dtor::old" << std::endl
<< "b::dtor::body" << std::endl // Test this threw.
// Test b not destructed (so both static_inv and inv, but no post).
<< "b::static_inv" << std::endl
<< "b::inv" << std::endl
<< "c::static_inv" << std::endl
<< "c::inv" << std::endl
<< "c::dtor::old" << std::endl
<< "c::dtor::body" << std::endl
// Test c not destructed (so both static_inv and inv, but no post).
<< "c::static_inv" << std::endl
<< "c::inv" << std::endl
;
BOOST_TEST(out.eq(ok.str()));
} catch(...) { BOOST_TEST(false); }
BOOST_TEST(false); // Must not exit from here, but from t.
return boost::report_errors();
}