Event/ers/test/test.cxx

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/*
 *  ExampleIssue.h
 *  Test
 *
 *  Created by Matthias Wiesmann on 24.01.05.
 *  Copyright 2005 CERN. All rights reserved.
 *
 */
 
#include "ExampleIssue.h"
#include "ers/ers.h"
 
/** \file test.cxx
 * This file contains a very simple example of using ERS.
 * Basically, we use the custom issue defined in ExampleIssue.
 */
 
/** This function illustrates the usage of range checking macros.
 * \param n an integer excepted to be between 0 and 42.
 */
 
void foo( int n ) {
  ERS_RANGE_CHECK( 0, n, 42 );
  ERS_DEBUG_0( "function foo called with value %d", n );
} // foo
 
void massive_test() {
  ers::StreamFactory::set_stream( ers::debug_2, "null" );
  ERS_DEBUG_0( "dumping a lot of log issues" );
  for ( int i = 0; i < 1000000; i++ ) { ERS_DEBUG_2( "dump %d", i ); } // for
} //
 
int main( int argc, char** argv ) {
  for ( int i = 1; i < argc; i++ )
  { // we add all parameters as qualifiers
    ers::Context::add_qualifier( argv[i] );
  }                                          //
  ers::Context::add_qualifier( "ers_test" ); // we add a qualifier to all issues
  try
  { // We need to work with a try/catch block
    massive_test();
    ers::StreamFactory::set_stream(
        ers::debug_3,
        "filter:?!ers_test,ers_failure@default" ); // we filter out all issue with qualifier
                                                   // ers_test at level debug_3
    ERS_DEBUG_3( "This should not be displayed" );
    ERS_DEBUG_0( "checking static assert" );
    ERS_STATIC_ASSERT( sizeof( int ) == 4 );
    ERS_DEBUG_0( "dispatching custom issue to warning stream" );
    ExampleIssue issue( ERS_HERE, ers::warning, 10 ); // we build an instance of our Issue
    ers::StreamFactory::dispatch( issue ); // dispatch sends it to the correct stream based on
                                           // severity
    ERS_DEBUG_0( "calling a method with wrong range" );
    foo( 43 );
    ERS_DEBUG_0( "done - if we reached this point, assertion have been disabled - this can be "
                 "done by defining the N_DEBUG macro" );
    ERS_DEBUG_0( "throwing custom issue" );
    throw ExampleIssue( ERS_HERE, ers::error, 25 );
  } catch ( ers::Issue& e )
  { // we catch issues and send them to the warning stream
    ers::StreamFactory::warning( &e );
  }
  return 0;
} // main