test/doc/examples/exception_check_predicate.run-fail.cpp
2016-02-17 00:01:42 +01:00

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// (C) Copyright Gennadiy Rozental 2011-2015.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/test for the library home page.
//[example_code
#define BOOST_TEST_MODULE example
#include <boost/test/included/unit_test.hpp>
struct my_exception
{
explicit my_exception( int ec = 0 ) : m_error_code( ec )
{}
int m_error_code;
};
bool is_critical( my_exception const& ex ) { return ex.m_error_code < 0; }
void some_func( int i ) { if( i>=0 ) throw my_exception( i ); }
BOOST_AUTO_TEST_CASE( test_exception_predicate )
{
BOOST_CHECK_EXCEPTION( some_func(0), my_exception, !is_critical );
BOOST_CHECK_EXCEPTION( some_func(1), my_exception, is_critical );
}
//]