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#include "catch.hpp"
/*
Demonstrate which version of toString/StringMaker is being used
for various types
*/
struct has_toString { };
struct has_maker {};
struct has_maker_and_toString {};
namespace Catch {
inline std::string toString( const has_toString& ) {
return "toString( has_toString )";
}
inline std::string toString( const has_maker_and_toString& ) {
return "toString( has_maker_and_toString )";
}
template<>
struct StringMaker<has_maker> {
static std::string convert( const has_maker& ) {
return "StringMaker<has_maker>";
}
};
template<>
struct StringMaker<has_maker_and_toString> {
static std::string convert( const has_maker_and_toString& ) {
return "StringMaker<has_maker_and_toString>";
}
};
}
// Call the overload
TEST_CASE( "toString( has_toString )", "[toString]" ) {
has_toString item;
REQUIRE( Catch::toString( item ) == "toString( has_toString )" );
}
// Call the overload
TEST_CASE( "toString( has_maker )", "toString]" ) {
has_maker item;
REQUIRE( Catch::toString( item ) == "StringMaker<has_maker>" );
}
// Call the overload
TEST_CASE( "toString( has_maker_and_toString )", "[.][toString]" ) {
has_maker_and_toString item;
REQUIRE( Catch::toString( item ) == "toString( has_maker_and_toString )" );
}
// Vectors...
// Don't run this in approval tests as it is sensitive to two phase lookup differences
TEST_CASE( "toString( vectors<has_toString )", "[.][toString][!nonportable]" ) {
std::vector<has_toString> v(1);
// This invokes template<T> toString which actually gives us '{ ? }'
REQUIRE( Catch::toString( v ) == "{ {?} }" );
}
TEST_CASE( "toString( vectors<has_maker )", "[toString]" ) {
std::vector<has_maker> v(1);
REQUIRE( Catch::toString( v ) == "{ StringMaker<has_maker> }" );
}
// Don't run this in approval tests as it is sensitive to two phase lookup differences
TEST_CASE( "toString( vectors<has_maker_and_toString )", "[.][toString][!nonportable]" ) {
std::vector<has_maker_and_toString> v(1);
// Note: This invokes the template<T> toString -> StringMaker
REQUIRE( Catch::toString( v ) == "{ StringMaker<has_maker_and_toString> }" );
}
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