51 lines
1.6 KiB
C++
51 lines
1.6 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 override public function error on result type mismatch.
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#include <boost/contract/public_function.hpp>
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#include <boost/contract/override.hpp>
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#include <boost/contract/base_types.hpp>
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#include <boost/contract/check.hpp>
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struct b {
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virtual int f(boost::contract::virtual_* v = 0) {
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// Unfortunately, this cannot be made to error at compile-time because
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// in this case public_function does not that &b::f as param (but this
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// will error at run-time on a virtual call via a derived class).
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char result;
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boost::contract::check c = boost::contract::public_function(
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v, result, this);
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return result;
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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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virtual int f(boost::contract::virtual_* v = 0) /* override */ {
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char result;
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boost::contract::check c = boost::contract::public_function<override_f>(
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v, result, &a::f, this); // Error (result time mismatch).
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#ifdef BOOST_CONTRACT_NO_PUBLIC_FUNCTIONS
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#error "Forcing error even when public functions not checked"
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#endif
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return result;
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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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a aa;
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aa.f();
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return 0;
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}
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