renamed ..._member to ..._function, continuing to program more examples

test/private_function/bases.cpp

@@ -0,0 +1,74 @@
+
+// Test private member function contracts.
+
+#include "../aux_/oteststream.hpp"
+#include <boost/contract/base_types.hpp>
+#include <boost/contract/private_function.hpp>
+#include <boost/contract/guard.hpp>
+#include <boost/detail/lightweight_test.hpp>
+#include <sstream>
+
+boost::contract::aux::test::oteststream out;
+
+struct b {
+    void invariant() const { out << "b::inv" << std::endl; }
+    static void static_invariant() { out << "b::static_inv" << std::endl; }
+
+private:
+    virtual void f() {
+        boost::contract::guard c = boost::contract::private_function()
+            .precondition([&] {
+                out << "b::f::pre" << 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
+
+    void invariant() const { out << "a::inv" << std::endl; }
+    static void static_invariant() { out << "a::static_inv" << std::endl; }
+
+    void call_f() { f(); }
+
+private:
+    virtual void f() {
+        boost::contract::guard c = boost::contract::private_function()
+            .precondition([&] {
+                out << "a::f::pre" << 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.call_f();
+    ok.str(""); ok
+        // Test not part of public API so no inv, plus cannot be called directly
+        // so substitution principle does not applu and no subcontracting.
+        << "a::f::pre" << std::endl
+        << "a::f::body" << std::endl
+        << "a::f::post" << std::endl
+    ;
+    BOOST_TEST(out.eq(ok.str()));
+
+    return boost::report_errors();
+}
+