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75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
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// Test protected member function contracts.
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#include "../aux_/oteststream.hpp"
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#include <boost/contract/base_types.hpp>
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#include <boost/contract/protected_function.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 b {
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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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protected:
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virtual void f() {
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boost::contract::guard c = boost::contract::protected_function()
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.precondition([&] {
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out << "b::f::pre" << std::endl;
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})
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.postcondition([&] {
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out << "b::f::post" << std::endl;
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})
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;
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out << "b::f::body" << std::endl;
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}
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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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void call_f() { f(); }
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protected:
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virtual void f() {
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boost::contract::guard c = boost::contract::protected_function()
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.precondition([&] {
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out << "a::f::pre" << std::endl;
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})
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.postcondition([&] {
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out << "a::f::post" << std::endl;
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})
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;
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out << "a::f::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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a aa;
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out.str("");
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aa.call_f();
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ok.str(""); ok
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// Test not part of public API so no inv, plus cannot be called directly
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// so no substitution principle and no subcontracting.
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<< "a::f::pre" << std::endl
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<< "a::f::body" << std::endl
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<< "a::f::post" << std::endl
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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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