| #include "catch.hpp" |
| /* |
| Demonstrate which version of toString/StringMaker is being used |
| for various types |
| */ |
| |
| |
| struct has_operator { }; |
| struct has_maker {}; |
| struct has_maker_and_operator {}; |
| |
| std::ostream& operator<<(std::ostream& os, const has_operator&) { |
| os << "operator<<( has_operator )"; |
| return os; |
| } |
| |
| std::ostream& operator<<(std::ostream& os, const has_maker_and_operator&) { |
| os << "operator<<( has_maker_and_operator )"; |
| return os; |
| } |
| |
| namespace Catch { |
| template<> |
| struct StringMaker<has_maker> { |
| std::string operator()( const has_maker& ) { |
| return "StringMaker<has_maker>"; |
| } |
| }; |
| template<> |
| struct StringMaker<has_maker_and_operator> { |
| std::string operator()( const has_maker_and_operator& ) { |
| return "StringMaker<has_maker_and_operator>"; |
| } |
| }; |
| } |
| |
| // Call the operator |
| TEST_CASE( "stringify( has_operator )", "[toString]" ) { |
| has_operator item; |
| REQUIRE( ::Catch::Detail::stringify( item ) == "operator<<( has_operator )" ); |
| } |
| |
| // Call the stringmaker |
| TEST_CASE( "stringify( has_maker )", "[toString]" ) { |
| has_maker item; |
| REQUIRE( ::Catch::Detail::stringify( item ) == "StringMaker<has_maker>" ); |
| } |
| |
| // Call the stringmaker |
| TEST_CASE( "stringify( has_maker_and_toString )", "[.][toString]" ) { |
| has_maker_and_operator item; |
| REQUIRE( ::Catch::Detail::stringify( item ) == "StringMaker<has_maker_and_operator>" ); |
| } |
| |
| // 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_operator> v(1); |
| REQUIRE( ::Catch::Detail::stringify( v ) == "{ operator<<( has_operator ) }" ); |
| } |
| |
| TEST_CASE( "toString( vectors<has_maker )", "[toString]" ) { |
| std::vector<has_maker> v(1); |
| REQUIRE( ::Catch::Detail::stringify( 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_operator> v(1); |
| REQUIRE( ::Catch::Detail::stringify( v ) == "{ StringMaker<has_maker_and_toString> }" ); |
| } |