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130 lines
3.8 KiB
C++
130 lines
3.8 KiB
C++
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// Test constructor body throwing (in inheritance tree).
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#include "../aux_/oteststream.hpp"
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#include <boost/contract/public_function.hpp>
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#include <boost/contract/assert.hpp>
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#include <boost/contract/base_types.hpp>
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#include <boost/contract/override.hpp>
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#include <boost/contract/guard.hpp>
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#include <boost/detail/lightweight_test.hpp>
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#include <sstream>
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boost::contract::aux::test::oteststream out;
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struct c {
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void invariant() const { out << "c::inv" << std::endl; }
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static void static_invariant() { out << "c::static_inv" << std::endl; }
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struct e {};
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virtual void f(boost::contract::virtual_* v = 0) {
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boost::contract::guard c = boost::contract::public_function(v, this)
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.precondition([&] {
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out << "c::f::pre" << std::endl;
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BOOST_CONTRACT_ASSERT(false); // To check derived pre.
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})
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.old([&] { out << "c::f::old" << std::endl; })
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.postcondition([&] { out << "c::f::post" << std::endl; })
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;
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out << "c::f::body" << std::endl;
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throw c::e();
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}
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};
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struct b
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#define BASES public c
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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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void invariant() const { out << "b::inv" << std::endl; }
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static void static_invariant() { out << "b::static_inv" << std::endl; }
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struct e {};
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virtual void f(boost::contract::virtual_* v = 0) /* override */ {
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boost::contract::guard c = boost::contract::public_function<override_f>(
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v, &b::f, this)
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.precondition([&] {
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out << "b::f::pre" << std::endl;
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BOOST_CONTRACT_ASSERT(false); // To check derived pre.
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})
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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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throw b::e();
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}
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BOOST_CONTRACT_OVERRIDE(f)
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};
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struct a
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#define BASES 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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void invariant() const { out << "a::inv" << std::endl; }
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static void static_invariant() { out << "a::static_inv" << std::endl; }
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struct e {};
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void f(boost::contract::virtual_* v = 0) /* override */ {
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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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throw a::e();
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}
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BOOST_CONTRACT_OVERRIDE(f)
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};
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int main() {
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std::ostringstream ok;
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a aa;
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c& ca = aa; // Test as virtual call via polymorphism.
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bool threw = false;
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out.str("");
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try { ca.f(); }
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catch(a::e const&) { threw = true; }
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BOOST_TEST(threw);
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ok.str(""); ok
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<< "c::static_inv" << std::endl
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<< "c::inv" << std::endl
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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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<< "c::f::pre" << std::endl
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<< "b::f::pre" << std::endl
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<< "a::f::pre" << std::endl
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<< "c::f::old" << std::endl
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<< "b::f::old" << std::endl
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<< "a::f::old" << std::endl
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<< "a::f::body" << std::endl
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<< "c::static_inv" << std::endl
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<< "c::inv" << std::endl
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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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// Test no post (but still subcontracted inv) because body threw.
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;
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BOOST_TEST(out.eq(ok.str()));
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return boost::report_errors();
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}
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