catch2/projects/SelfTest/ExceptionTests.cpp

174 lines
4.5 KiB
C++

/*
* Created by Phil on 09/11/2010.
* Copyright 2010 Two Blue Cubes Ltd. All rights reserved.
*
* 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)
*/
#ifdef __clang__
#pragma clang diagnostic ignored "-Wpadded"
#endif
#include "catch.hpp"
#include <string>
#include <stdexcept>
#include "catch_self_test.hpp"
namespace
{
CATCH_ATTRIBUTE_NORETURN
int thisThrows();
int thisThrows()
{
throw std::domain_error( "expected exception" );
/*NOTREACHED*/
}
int thisDoesntThrow()
{
return 0;
}
}
TEST_CASE( "./succeeding/exceptions/explicit", "When checked exceptions are thrown they can be expected or unexpected" )
{
REQUIRE_THROWS_AS( thisThrows(), std::domain_error );
REQUIRE_NOTHROW( thisDoesntThrow() );
REQUIRE_THROWS( thisThrows() );
}
CATCH_ATTRIBUTE_NORETURN
TEST_CASE( "./failing/exceptions/explicit", "When checked exceptions are thrown they can be expected or unexpected" )
{
CHECK_THROWS_AS( thisThrows(), std::string );
CHECK_THROWS_AS( thisDoesntThrow(), std::domain_error );
CHECK_NOTHROW( thisThrows() );
}
TEST_CASE_NORETURN( "./failing/exceptions/implicit", "When unchecked exceptions are thrown they are always failures" )
{
throw std::domain_error( "unexpected exception" );
/*NOTREACHED*/
}
TEST_CASE_NORETURN( "./failing/exceptions/implicit/2", "An unchecked exception reports the line of the last assertion" )
{
CHECK( 1 == 1 );
throw std::domain_error( "unexpected exception" );
/*NOTREACHED*/
}
TEST_CASE( "./succeeding/exceptions/implicit", "When unchecked exceptions are thrown, but caught, they do not affect the test" )
{
try
{
throw std::domain_error( "unexpected exception" );
}
catch(...)
{
}
}
class CustomException
{
public:
CustomException( const std::string& msg )
: m_msg( msg )
{}
std::string getMessage() const
{
return m_msg;
}
private:
std::string m_msg;
};
CATCH_TRANSLATE_EXCEPTION( CustomException& ex )
{
return ex.getMessage();
}
CATCH_TRANSLATE_EXCEPTION( double& ex )
{
return Catch::toString( ex );
}
TEST_CASE_NORETURN( "./failing/exceptions/custom", "Unexpected custom exceptions can be translated" )
{
throw CustomException( "custom exception" );
}
TEST_CASE( "./failing/exceptions/custom/nothrow", "Custom exceptions can be translated when testing for nothrow" )
{
REQUIRE_NOTHROW( throw CustomException( "unexpected custom exception" ) );
}
TEST_CASE( "./failing/exceptions/custom/throw", "Custom exceptions can be translated when testing for throwing as something else" )
{
REQUIRE_THROWS_AS( throw CustomException( "custom exception - not std" ), std::exception );
}
TEST_CASE_NORETURN( "./failing/exceptions/custom/double", "Unexpected custom exceptions can be translated" )
{
throw double( 3.14 );
}
#ifdef __GNUC__
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-variable"
#endif
TEST_CASE( "./failing/exceptions/in-section", "Exceptions thrown from sections report file/ line or section" )
{
SECTION( "the section", "" )
{
CATCH_REGISTER_LINE_INFO( "the section2" ) SECTION( "the section2", "" )
{
throw std::domain_error( "Exception from section" );
}
}
}
#ifdef __GNUC__
#pragma GCC diagnostic pop
#endif
TEST_CASE( "./succeeding/exceptions/error messages", "The error messages produced by exceptions caught by Catch matched the expected form" )
{
Catch::EmbeddedRunner runner;
using namespace Catch::Matchers;
SECTION( "custom, unexpected", "" )
{
runner.runMatching( "./failing/exceptions/custom" );
// CHECK_THAT( runner.getLog(), Contains( "Unexpected exception" ) ); // Mock reporter doesn't say this
CHECK_THAT( runner.getLog(), Contains( "custom exception" ) );
}
SECTION( "in section", "" )
{
runner.runMatching( "./failing/exceptions/in-section" );
INFO( runner.getLog() );
// CHECK( runner.getLog().find( "Unexpected exception" ) != std::string::npos ); // Mock reporter doesn't say this
CHECK_THAT( runner.getLog(), Contains( "Exception from section" ) );
CHECK_THAT( runner.getLog(), Contains( CATCH_GET_LINE_INFO( "the section2" ) ) );
}
}
inline int thisFunctionNotImplemented( int ) {
CATCH_NOT_IMPLEMENTED;
}
TEST_CASE( "./succeeding/exceptions/notimplemented", "" )
{
REQUIRE_THROWS( thisFunctionNotImplemented( 7 ) );
}