204 lines
6.1 KiB
C++
204 lines
6.1 KiB
C++
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// Copyright (C) 2008-2018 Lorenzo Caminiti
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// Distributed under the Boost Software License, Version 1.0 (see accompanying
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// file LICENSE_1_0.txt or a copy at http://www.boost.org/LICENSE_1_0.txt).
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// See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html
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// Test only middle base class with exit static invariants.
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#define BOOST_CONTRACT_TEST_NO_A_STATIC_INV
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#undef BOOST_CONTRACT_TEST_NO_B_STATIC_INV
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#define BOOST_CONTRACT_TEST_NO_C_STATIC_INV
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#include "decl.hpp"
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#include <boost/preprocessor/control/iif.hpp>
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#include <boost/detail/lightweight_test.hpp>
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#include <sstream>
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#include <string>
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std::string ok_a() {
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std::ostringstream ok; ok
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#ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
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<< "a::inv" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_OLDS
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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_POSTCONDITIONS
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<< "a::dtor::post" << std::endl
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#endif
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;
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return ok.str();
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}
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std::string ok_b(bool failed = false) {
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std::ostringstream ok; ok
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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_OLDS
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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 // This can fail.
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#endif
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#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
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<< (!failed ? "b::dtor::post\n" : "")
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#endif
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;
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return ok.str();
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}
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std::string ok_c(bool threw = false) {
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std::ostringstream ok; ok
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#ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
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<< "c::inv" << std::endl
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#endif
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#ifndef BOOST_CONTRACT_NO_OLDS
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<< "c::dtor::old" << std::endl
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#endif
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<< "c::dtor::body" << std::endl
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#ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
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<< (threw ? "c::inv\n" : "")
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#endif
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#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
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<< (!threw ? "c::dtor::post\n" : "")
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#endif
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;
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return ok.str();
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}
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struct err {}; // Global decl so visible in MSVC10 lambdas.
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int main() {
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std::ostringstream ok;
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#ifdef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
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#define BOOST_CONTRACT_TEST_entry_inv 0
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#else
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#define BOOST_CONTRACT_TEST_entry_inv 1
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#endif
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#ifdef BOOST_CONTRACT_NO_EXIT_INVARIANTS
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#define BOOST_CONTRACT_TEST_exit_inv 0
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#else
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#define BOOST_CONTRACT_TEST_exit_inv 1
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#endif
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a_exit_static_inv = true;
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b_exit_static_inv = true;
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c_exit_static_inv = true;
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a_entering_static_inv = b_entering_static_inv = c_entering_static_inv =
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BOOST_PP_IIF(BOOST_CONTRACT_TEST_entry_inv, true, false);
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{
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a aa;
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out.str("");
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}
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ok.str(""); ok // Test nothing failed.
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<< ok_a()
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<< ok_b()
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<< ok_c()
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;
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BOOST_TEST(out.eq(ok.str()));
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boost::contract::set_exit_invariant_failure([&ok] (boost::contract::from) {
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BOOST_TEST(out.eq(ok.str())); // Must check before dtor throws.
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throw err(); // For testing only (as dtors should not throw otherwise).
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});
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a_exit_static_inv = false;
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b_exit_static_inv = true;
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c_exit_static_inv = true;
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a_entering_static_inv = b_entering_static_inv = c_entering_static_inv =
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BOOST_PP_IIF(BOOST_CONTRACT_TEST_entry_inv, true, false);
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try {
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{
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a aa;
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ok.str("");
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out.str("");
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}
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ok.str(""); ok
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<< ok_a() // Test no exit a::static_inv so no failure here.
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<< ok_b()
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<< ok_c()
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;
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BOOST_TEST(out.eq(ok.str()));
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} catch(...) { BOOST_TEST(false); }
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a_exit_static_inv = true;
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b_exit_static_inv = false;
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c_exit_static_inv = true;
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a_entering_static_inv = b_entering_static_inv = c_entering_static_inv =
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BOOST_PP_IIF(BOOST_CONTRACT_TEST_entry_inv, true, false);
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try {
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{
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a aa;
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ok.str(""); ok
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<< ok_a()
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// Test exit b::static_inv failed...
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<< ok_b(BOOST_CONTRACT_TEST_exit_inv)
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;
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out.str("");
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}
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#ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
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BOOST_TEST(false);
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} catch(err const&) {
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#endif
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ok // ...then exec other dtors and check inv on throw (as dtor threw).
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<< ok_c(BOOST_CONTRACT_TEST_exit_inv)
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;
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BOOST_TEST(out.eq(ok.str()));
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} catch(...) { BOOST_TEST(false); }
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a_exit_static_inv = true;
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b_exit_static_inv = true;
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c_exit_static_inv = false;
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a_entering_static_inv = b_entering_static_inv = c_entering_static_inv =
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BOOST_PP_IIF(BOOST_CONTRACT_TEST_entry_inv, true, false);
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try {
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{
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a aa;
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ok.str("");
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out.str("");
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}
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ok.str(""); ok
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<< ok_a()
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<< ok_b()
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// Test no exit c::static_inv so no failure here.
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<< ok_c()
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;
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BOOST_TEST(out.eq(ok.str()));
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} catch(...) { BOOST_TEST(false); }
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boost::contract::set_exit_invariant_failure([] (boost::contract::from) {
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// Testing multiple failures so dtors must not throw multiple except,
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// just ignore failure and continue test program (for testing only).
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});
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a_exit_static_inv = false;
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b_exit_static_inv = false;
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c_exit_static_inv = false;
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a_entering_static_inv = b_entering_static_inv = c_entering_static_inv =
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BOOST_PP_IIF(BOOST_CONTRACT_TEST_entry_inv, true, false);
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{
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a aa;
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out.str("");
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}
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ok.str(""); ok
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// Test no exit a::static_inv so no faliure here.
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<< ok_a()
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// Test exit b::static_inv failed (as all did).
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<< ok_b(BOOST_CONTRACT_TEST_exit_inv)
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// Test no exit c::static_inv so no failure here.
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<< ok_c()
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;
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BOOST_TEST(out.eq(ok.str()));
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#undef BOOST_CONTRACT_TEST_entry_inv
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#undef BOOST_CONTRACT_TEST_exit_inv
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return boost::report_errors();
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}
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