Tweaked documentation

git-svn-id: https://svn.code.sf.net/p/turtle/code/trunk@642 860be788-9bd5-4423-9f1e-828f051e677b

build/boost/doc/example/patterns_async_call.cpp

@@ -0,0 +1,53 @@
+//[ async_call_problem
+namespace
+{
+    class base_class
+    {
+    public:
+        virtual void method() = 0;
+    };
+
+    class my_class
+    {
+    public:
+        explicit my_class( base_class& );
+
+        void flush(); // repetitively calling this method will in turn call base_class::method at some point
+    };
+}
+//]
+
+//[ async_call_solution
+#define BOOST_AUTO_TEST_MAIN
+#include <boost/test/auto_unit_test.hpp>
+#include <boost/lambda/lambda.hpp>
+#include <boost/thread.hpp>
+#include <turtle/mock.hpp>
+
+namespace
+{
+    template< typename F >
+    void wait( bool& condition, F flush, int timeout = 100, int sleep = 100 )
+    {
+        while( !condition && timeout > 0 )
+        {
+            --timeout;
+            boost::this_thread::sleep( boost::posix_time::milliseconds( sleep ) );
+            flush();
+        }
+    }
+    MOCK_BASE_CLASS( mock_base_class, base_class )
+    {
+        MOCK_METHOD( method, 0 )
+    };
+}
+
+BOOST_AUTO_TEST_CASE( method_is_called )
+{
+    mock_base_class mock;
+    my_class c( mock );
+    bool done = false;
+    MOCK_EXPECT( mock.method ).once().calls( boost::lambda::var( done ) = true ); // when method is called it will set done to true
+    wait( done, boost::bind( &my_class::flush, &c ) );                            // just wait on done flushing from time to time
+}
+//]