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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 18:24:20 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 18:24:20 +0000 |
commit | 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch) | |
tree | e5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/boost/libs/contract/test/public_function/protected.cpp | |
parent | Initial commit. (diff) | |
download | ceph-upstream.tar.xz ceph-upstream.zip |
Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/boost/libs/contract/test/public_function/protected.cpp')
-rw-r--r-- | src/boost/libs/contract/test/public_function/protected.cpp | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/boost/libs/contract/test/public_function/protected.cpp b/src/boost/libs/contract/test/public_function/protected.cpp new file mode 100644 index 00000000..8ec7e7d7 --- /dev/null +++ b/src/boost/libs/contract/test/public_function/protected.cpp @@ -0,0 +1,88 @@ + +// Copyright (C) 2008-2018 Lorenzo Caminiti +// Distributed under the Boost Software License, Version 1.0 (see accompanying +// file LICENSE_1_0.txt or a copy at http://www.boost.org/LICENSE_1_0.txt). +// See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html + +// Test overriding function never overrides protected function contract. + +#include "../detail/oteststream.hpp" +#include <boost/contract/function.hpp> +#include <boost/contract/public_function.hpp> +#include <boost/contract/base_types.hpp> +#include <boost/contract/check.hpp> +#include <boost/detail/lightweight_test.hpp> +#include <sstream> + +boost::contract::test::detail::oteststream out; + +struct b { + static void static_invariant() { out << "b::static_inv" << std::endl; } + void invariant() const { out << "b::inv" << std::endl; } + +protected: + // NOTE: This is the correct way of programming contracts for overridden + // protected and overriding public functions: Both must use virtual_ + // (otherwise C++ won't override because mismatching parameters), but + // overridden protected does not use public_function. + virtual void f(boost::contract::virtual_* /* v */ = 0) { + boost::contract::check c = boost::contract::function() + .precondition([] { out << "b::f::pre" << std::endl; }) + .old([] { out << "b::f::old" << std::endl; }) + .postcondition([] { out << "b::f::post" << std::endl; }) + ; + out << "b::f::body" << std::endl; + } +}; +struct a + #define BASES public b + : BASES +{ + typedef BOOST_CONTRACT_BASE_TYPES(BASES) base_types; + #undef BASES + + static void static_invariant() { out << "a::static_inv" << std::endl; } + void invariant() const { out << "a::inv" << std::endl; } + + void f(boost::contract::virtual_* v = 0) /* not override */ { + // C++ func a::f overrides b::f, but contracts don't (so no override_f). + boost::contract::check c = boost::contract::public_function(v, this) + .precondition([] { out << "a::f::pre" << std::endl; }) + .old([] { out << "a::f::old" << std::endl; }) + .postcondition([] { out << "a::f::post" << std::endl; }) + ; + out << "a::f::body" << std::endl; + } +}; + +int main() { + std::ostringstream ok; + + a aa; + out.str(""); + aa.f(); + ok.str(""); ok + #ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS + << "a::static_inv" << std::endl + << "a::inv" << std::endl + #endif + #ifndef BOOST_CONTRACT_NO_PRECONDITIONS + << "a::f::pre" << std::endl + #endif + #ifndef BOOST_CONTRACT_NO_OLDS + << "a::f::old" << std::endl + #endif + << "a::f::body" << std::endl + #ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS + << "a::static_inv" << std::endl + << "a::inv" << std::endl + #endif + #ifndef BOOST_CONTRACT_NO_POSTCONDITIONS + << "a::f::post" << std::endl + #endif + ; + BOOST_TEST(out.eq(ok.str())); + + return boost::report_errors(); +} + |