Index: boost/test/impl/unit_test_parameters.ipp
===================================================================
--- boost/test/impl/unit_test_parameters.ipp	(revision 15430)
+++ boost/test/impl/unit_test_parameters.ipp	(revision 15431)
@@ -160,6 +160,7 @@
 std::string CATCH_SYS_ERRORS  = "catch_system_errors";
 std::string DETECT_FP_EXCEPT  = "detect_fp_exceptions";
 std::string DETECT_MEM_LEAKS  = "detect_memory_leaks";
+std::string DRY_RUN           = "dry_run";
 std::string LOG_FORMAT        = "log_format";
 std::string LOG_LEVEL         = "log_level";
 std::string LOG_SINK          = "log_sink";
@@ -181,6 +182,7 @@
     CATCH_SYS_ERRORS  , "BOOST_TEST_CATCH_SYSTEM_ERRORS",
     DETECT_FP_EXCEPT  , "BOOST_TEST_DETECT_FP_EXCEPTIONS",
     DETECT_MEM_LEAKS  , "BOOST_TEST_DETECT_MEMORY_LEAK",
+    DRY_RUN           , "BOOST_TEST_DRY_RUN",
     LOG_FORMAT        , "BOOST_TEST_LOG_FORMAT",
     LOG_LEVEL         , "BOOST_TEST_LOG_LEVEL",
     LOG_SINK          , "BOOST_TEST_LOG_SINK",
@@ -267,6 +269,9 @@
           << cla::named_parameter<long>( DETECT_MEM_LEAKS )
             - (cla::prefix = "--",cla::separator = "=",cla::guess_name,cla::optional,
                cla::description = "Allows to switch between catching and ignoring memory leaks")
+          << cla::dual_name_parameter<bool>(  DRY_RUN + "|n" )
+            - (cla::prefix = "--|-",cla::separator = "=| ",cla::guess_name,cla::optional,
+               cla::description = "Does not run the tests and assumes they all succeed")
           << cla::dual_name_parameter<unit_test::output_format>( LOG_FORMAT + "|f" )
             - (cla::prefix = "--|-",cla::separator = "=| ",cla::guess_name,cla::optional,
                cla::description = "Specifies log format")
@@ -514,6 +519,14 @@
 
 //____________________________________________________________________________//
 
+bool
+dry_run()
+{
+    return retrieve_parameter( DRY_RUN, s_cla_parser, false );
+}
+
+//____________________________________________________________________________//
+
 } // namespace runtime_config
 
 } // namespace unit_test
Index: boost/test/impl/unit_test_monitor.ipp
===================================================================
--- boost/test/impl/unit_test_monitor.ipp	(revision 15430)
+++ boost/test/impl/unit_test_monitor.ipp	(revision 15431)
@@ -66,7 +66,8 @@
         p_use_alt_stack.value           = runtime_config::use_alt_stack();
         p_detect_fp_exceptions.value    = runtime_config::detect_fp_exceptions();
 
-        execute( callback0<int>( zero_return_wrapper( tc.test_func() ) ) );
+        if ( !runtime_config::dry_run() )
+            execute( callback0<int>( zero_return_wrapper( tc.test_func() ) ) );
     }
     catch( execution_exception const& ex ) {
         framework::exception_caught( ex );
Index: boost/test/detail/unit_test_parameters.hpp
===================================================================
--- boost/test/detail/unit_test_parameters.hpp	(revision 15430)
+++ boost/test/detail/unit_test_parameters.hpp	(revision 15431)
@@ -55,6 +55,7 @@
 BOOST_TEST_DECL std::ostream*            log_sink();
 BOOST_TEST_DECL long                     detect_memory_leaks();
 BOOST_TEST_DECL int                      random_seed();
+BOOST_TEST_DECL bool                     dry_run();
 
 } // namespace runtime_config