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Comment why the return code is clamped

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Martin Hořeňovský 2018-01-12 11:49:48 +01:00
parent c053dca26e
commit 4575594bbf
1 changed files with 3 additions and 0 deletions
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include/internal/catch_session.cpp
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@ -259,6 +259,9 @@ namespace Catch {
if( Option<std::size_t> listed = list( config() ) ) if( Option<std::size_t> listed = list( config() ) )
return static_cast<int>( *listed ); return static_cast<int>( *listed );
// Note that on unices only the lower 8 bits are usually used, clamping
// the return value to 255 prevents false negative when some multiple
// of 256 tests has failed
return (std::min)( MaxExitCode, static_cast<int>( runTests( m_config ).assertions.failed ) ); return (std::min)( MaxExitCode, static_cast<int>( runTests( m_config ).assertions.failed ) );
} }
catch( std::exception& ex ) { catch( std::exception& ex ) {