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73 lines
1.8 KiB
C++
73 lines
1.8 KiB
C++
// http://turtle.sourceforge.net
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//
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// Copyright Mathieu Champlon 2014
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//[ async_call_problem
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namespace
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{
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class base_class
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{
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public:
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virtual void method() = 0;
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};
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class my_class
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{
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public:
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explicit my_class( base_class& );
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void flush(); // repetitively calling this method will in turn call base_class::method at some point
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};
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}
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//]
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//[ async_call_solution
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#define BOOST_AUTO_TEST_MAIN
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#include <boost/test/auto_unit_test.hpp>
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#include <boost/lambda/lambda.hpp>
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#include <boost/thread.hpp>
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#include <turtle/mock.hpp>
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namespace
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{
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template< typename F >
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void check( bool& condition, F flush, int attempts = 100, int sleep = 100 )
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{
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while( !condition && attempts > 0 )
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{
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--attempts;
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boost::this_thread::sleep( boost::posix_time::milliseconds( sleep ) );
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flush();
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}
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}
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MOCK_BASE_CLASS( mock_base_class, base_class )
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{
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MOCK_METHOD( method, 0 )
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};
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void set_bool(bool& b)
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{
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b = true;
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}
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}
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BOOST_AUTO_TEST_CASE( method_is_called )
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{
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mock_base_class m;
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my_class c( m );
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bool done = false;
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// when method is called it will set done to true
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// Note: Boost 1.57 introduced a bug preventing usage of the lambda with clang in C++98
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// See: https://svn.boost.org/trac10/ticket/10785
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#if defined(BOOST_CLANG) && (BOOST_VERSION >= 105700)
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MOCK_EXPECT( m.method ).once().calls( boost::bind(&set_bool, done) );
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#else
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MOCK_EXPECT( m.method ).once().calls( boost::lambda::var( done ) = true );
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#endif
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check( done, boost::bind( &my_class::flush, &c ) ); // just wait on done, flushing from time to time
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}
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//]
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