Adding upstream version 14.2.21.upstream/14.2.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 306 insertions, 0 deletions

diff --git a/src/boost/libs/contract/test/destructor/smoke.cpp b/src/boost/libs/contract/test/destructor/smoke.cpp
new file mode 100644
index 00000000..d1a9e18a
--- /dev/null
+++ b/src/boost/libs/contract/test/destructor/smoke.cpp
@@ -0,0 +1,306 @@
+
+// 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 destructor subcontracting.
+
+#include "../detail/oteststream.hpp"
+#include "../detail/counter.hpp"
+#include <boost/contract/destructor.hpp>
+#include <boost/contract/base_types.hpp>
+#include <boost/contract/assert.hpp>
+#include <boost/contract/old.hpp>
+#include <boost/contract/check.hpp>
+#include <boost/preprocessor/control/iif.hpp>
+#include <boost/detail/lightweight_test.hpp>
+#include <sstream>
+
+boost::contract::test::detail::oteststream out;
+
+template<char Id>
+struct t {
+    static void static_invariant() {
+        out << Id << "::static_inv" << std::endl;
+        BOOST_CONTRACT_ASSERT(l.value >= 0);
+    }
+    
+    void invariant() const {
+        out << Id << "::inv" << std::endl;
+        BOOST_CONTRACT_ASSERT(k_ < 0);
+    }
+
+    struct l_tag;
+    typedef boost::contract::test::detail::counter<l_tag, int> l_type;
+    static l_type l;
+
+    explicit t() : k_(-1) { ++l.value; }
+
+    virtual ~t() {
+        boost::contract::old_ptr<l_type> old_l;
+        boost::contract::check c = boost::contract::destructor(this)
+            .old([&] {
+                out << Id << "::dtor::old" << std::endl;
+                old_l = BOOST_CONTRACT_OLDOF(l_type::eval(l));
+            })
+            .postcondition([&old_l] {
+                out << Id << "::dtor::post" << std::endl;
+                BOOST_CONTRACT_ASSERT(t<Id>::l.value == old_l->value - 1);
+            })
+        ;
+        out << Id << "::dtor::body" << std::endl;
+        --l.value;
+    }
+
+private:
+    int k_;
+};
+template<char Id> typename t<Id>::l_type t<Id>::l;
+
+// Test deep inheritance (2 vertical levels), multiple inheritance (4
+// horizontal levels), and that all public/protected/private part of
+// subcontracting for destructors (not just public, because all access levels
+// are part of C++ object destruction mechanism).
+struct c
+    #define BASES public t<'d'>, protected t<'p'>, private t<'q'>, public t<'e'>
+    : BASES
+{
+    typedef BOOST_CONTRACT_BASE_TYPES(BASES) base_types;
+    #undef BASES
+
+    static void static_invariant() {
+        out << "c::static_inv" << std::endl;
+        BOOST_CONTRACT_ASSERT(m.value >= 0);
+    }
+    
+    void invariant() const {
+        out << "c::inv" << std::endl;
+        BOOST_CONTRACT_ASSERT(j_ < 0);
+    }
+    
+    struct m_tag;
+    typedef boost::contract::test::detail::counter<m_tag, int> m_type;
+    static m_type m;
+
+    explicit c() : j_(-1) { ++m.value; }
+
+    virtual ~c() {
+        boost::contract::old_ptr<m_type> old_m =
+                BOOST_CONTRACT_OLDOF(m_type::eval(m));
+        boost::contract::check c = boost::contract::destructor(this)
+            .old([] {
+                out << "c::dtor::old" << std::endl;
+                // Test old-of assignment above instead.
+            })
+            .postcondition([&old_m] {
+                out << "c::dtor::post" << std::endl;
+                BOOST_CONTRACT_ASSERT(c::m.value == old_m->value - 1);
+            })
+        ;
+        out << "c::dtor::body" << std::endl;
+        --m.value;
+    }
+
+private:
+    int j_;
+};
+c::m_type c::m;
+
+// Test not (fully) contracted base is not part of destructor subcontracting.
+struct b {
+    static void static_invariant() { out << "b::static_inv" << std::endl; }
+    void invariant() const { out << "b::inv" << std::endl; }
+
+    explicit b() {}
+    virtual ~b() {} // No contract.
+};
+
+struct a_n_tag; // Global decl so visible in MSVC10 lambdas.
+typedef boost::contract::test::detail::counter<a_n_tag, int> a_n_type;
+
+// Test destructor with both non-contracted and contracted bases.
+struct a
+    #define BASES public b, public c
+    : BASES
+{
+    typedef BOOST_CONTRACT_BASE_TYPES(BASES) base_types;
+    #undef BASES
+
+    static void static_invariant() {
+        out << "a::static_inv" << std::endl;
+        BOOST_CONTRACT_ASSERT(n.value >= 0);
+    }
+
+    void invariant() const {
+        out << "a::inv" << std::endl;
+        BOOST_CONTRACT_ASSERT(i_ < 0);
+    }
+
+    static a_n_type n;
+
+    explicit a() : i_(-1) {
+        ++i_; --i_; // To avoid a warning when all contracts off.
+        ++n.value;
+    }
+
+    virtual ~a() {
+        boost::contract::old_ptr<a_n_type> old_n;
+        boost::contract::check c = boost::contract::destructor(this)
+            .old([&] {
+                out << "a::dtor::old" << std::endl;
+                old_n = BOOST_CONTRACT_OLDOF(a_n_type::eval(n));
+            })
+            .postcondition([&old_n] {
+                out << "a::dtor::post" << std::endl;
+                BOOST_CONTRACT_ASSERT(a::n.value == old_n->value - 1);
+            })
+        ;
+        out << "a::dtor::body" << std::endl;
+        --n.value;
+    }
+
+private:
+    int i_;
+};
+a_n_type a::n;
+
+int main() {
+    std::ostringstream ok;
+
+    {
+        a aa;
+        out.str("");
+    } // Call aa's destructor.
+    ok.str(""); ok
+        #ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
+            << "a::static_inv" << std::endl
+            << "a::inv" << std::endl
+        #endif
+        #ifndef BOOST_CONTRACT_NO_OLDS
+            << "a::dtor::old" << std::endl
+        #endif
+        << "a::dtor::body" << std::endl
+        // Test static inv, but not const inv, checked after destructor body.
+        #ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
+            << "a::static_inv" << std::endl
+        #endif
+        #ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
+            << "a::dtor::post" << std::endl
+        #endif
+
+        #ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
+            << "c::static_inv" << std::endl
+            << "c::inv" << std::endl
+        #endif
+        #ifndef BOOST_CONTRACT_NO_OLDS
+            << "c::dtor::old" << std::endl
+        #endif
+        << "c::dtor::body" << std::endl
+        #ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
+            << "c::static_inv" << std::endl
+        #endif
+        #ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
+            << "c::dtor::post" << std::endl
+        #endif
+        
+        #ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
+            << "e::static_inv" << std::endl
+            << "e::inv" << std::endl
+        #endif
+        #ifndef BOOST_CONTRACT_NO_OLDS
+            << "e::dtor::old" << std::endl
+        #endif
+        << "e::dtor::body" << std::endl
+        #ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
+            << "e::static_inv" << std::endl
+        #endif
+        #ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
+            << "e::dtor::post" << std::endl
+        #endif
+       
+        // Test check also private bases (because part of C++ destruction).
+        #ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
+            << "q::static_inv" << std::endl
+            << "q::inv" << std::endl
+        #endif
+        #ifndef BOOST_CONTRACT_NO_OLDS
+            << "q::dtor::old" << std::endl
+        #endif
+        << "q::dtor::body" << std::endl
+        #ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
+            << "q::static_inv" << std::endl
+        #endif
+        #ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
+            << "q::dtor::post" << std::endl
+        #endif
+        
+        // Test check also protected bases (because part of C++ destruction).
+        #ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
+            << "p::static_inv" << std::endl
+            << "p::inv" << std::endl
+        #endif
+        #ifndef BOOST_CONTRACT_NO_OLDS
+            << "p::dtor::old" << std::endl
+        #endif
+        << "p::dtor::body" << std::endl
+        #ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
+            << "p::static_inv" << std::endl
+        #endif
+        #ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
+            << "p::dtor::post" << std::endl
+        #endif
+        
+        #ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
+            << "d::static_inv" << std::endl
+            << "d::inv" << std::endl
+        #endif
+        #ifndef BOOST_CONTRACT_NO_OLDS
+            << "d::dtor::old" << std::endl
+        #endif
+        << "d::dtor::body" << std::endl
+        #ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
+            << "d::static_inv" << std::endl
+        #endif
+        #ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
+            << "d::dtor::post" << std::endl
+        #endif
+    ;
+    BOOST_TEST(out.eq(ok.str()));
+
+    #ifndef BOOST_CONTRACT_NO_OLDS
+        #define BOOST_CONTRACT_TEST_old 1u
+    #else
+        #define BOOST_CONTRACT_TEST_old 0u
+    #endif
+
+    // Followings destroy only copies (actual objects are static data members).
+
+    BOOST_TEST_EQ(a_n_type::copies(), BOOST_CONTRACT_TEST_old);
+    BOOST_TEST_EQ(a_n_type::evals(), BOOST_CONTRACT_TEST_old);
+    BOOST_TEST_EQ(a_n_type::copies(), a_n_type::dtors()); // No leak.
+    
+    BOOST_TEST_EQ(c::m_type::copies(), BOOST_CONTRACT_TEST_old);
+    BOOST_TEST_EQ(c::m_type::evals(), BOOST_CONTRACT_TEST_old);
+    BOOST_TEST_EQ(c::m_type::copies(), c::m_type::dtors()); // No leak.
+    
+    BOOST_TEST_EQ(t<'d'>::l_type::copies(), BOOST_CONTRACT_TEST_old);
+    BOOST_TEST_EQ(t<'d'>::l_type::evals(), BOOST_CONTRACT_TEST_old);
+    BOOST_TEST_EQ(t<'d'>::l_type::copies(), t<'d'>::l_type::dtors()); // No leak
+    
+    BOOST_TEST_EQ(t<'p'>::l_type::copies(), BOOST_CONTRACT_TEST_old);
+    BOOST_TEST_EQ(t<'p'>::l_type::evals(), BOOST_CONTRACT_TEST_old);
+    BOOST_TEST_EQ(t<'p'>::l_type::copies(), t<'p'>::l_type::dtors()); // No leak
+    
+    BOOST_TEST_EQ(t<'q'>::l_type::copies(), BOOST_CONTRACT_TEST_old);
+    BOOST_TEST_EQ(t<'q'>::l_type::evals(), BOOST_CONTRACT_TEST_old);
+    BOOST_TEST_EQ(t<'q'>::l_type::copies(), t<'q'>::l_type::dtors()); // No leak
+    
+    BOOST_TEST_EQ(t<'e'>::l_type::copies(), BOOST_CONTRACT_TEST_old);
+    BOOST_TEST_EQ(t<'e'>::l_type::evals(), BOOST_CONTRACT_TEST_old);
+    BOOST_TEST_EQ(t<'e'>::l_type::copies(), t<'e'>::l_type::dtors()); // No leak
+
+    #undef BOOST_CONTRACT_TEST_old
+    return boost::report_errors();
+}
+