1 #include "catch.hpp" 2 3 4 namespace { 5 // Enum without user-provided stream operator 6 enum Enum1 { Enum1Value0, Enum1Value1 }; 7 8 // Enum with user-provided stream operator 9 enum Enum2 { Enum2Value0, Enum2Value1 }; 10 11 std::ostream& operator<<( std::ostream& os, Enum2 v ) { 12 return os << "E2{" << static_cast<int>(v) << "}"; 13 } 14 } // end anonymous namespace 15 16 TEST_CASE( "toString(enum)", "[toString][enum]" ) { 17 Enum1 e0 = Enum1Value0; 18 CHECK( ::Catch::Detail::stringify(e0) == "0" ); 19 Enum1 e1 = Enum1Value1; 20 CHECK( ::Catch::Detail::stringify(e1) == "1" ); 21 } 22 23 TEST_CASE( "toString(enum w/operator<<)", "[toString][enum]" ) { 24 Enum2 e0 = Enum2Value0; 25 CHECK( ::Catch::Detail::stringify(e0) == "E2{0}" ); 26 Enum2 e1 = Enum2Value1; 27 CHECK( ::Catch::Detail::stringify(e1) == "E2{1}" ); 28 } 29 30 // Enum class without user-provided stream operator 31 namespace { 32 enum class EnumClass1 { EnumClass1Value0, EnumClass1Value1 }; 33 34 // Enum class with user-provided stream operator 35 enum class EnumClass2 { EnumClass2Value0, EnumClass2Value1 }; 36 37 std::ostream& operator<<( std::ostream& os, EnumClass2 e2 ) { 38 switch( static_cast<int>( e2 ) ) { 39 case static_cast<int>( EnumClass2::EnumClass2Value0 ): 40 return os << "E2/V0"; 41 case static_cast<int>( EnumClass2::EnumClass2Value1 ): 42 return os << "E2/V1"; 43 default: 44 return os << "Unknown enum value " << static_cast<int>( e2 ); 45 } 46 } 47 48 } // end anonymous namespace 49 50 TEST_CASE( "toString(enum class)", "[toString][enum][enumClass]" ) { 51 EnumClass1 e0 = EnumClass1::EnumClass1Value0; 52 CHECK( ::Catch::Detail::stringify(e0) == "0" ); 53 EnumClass1 e1 = EnumClass1::EnumClass1Value1; 54 CHECK( ::Catch::Detail::stringify(e1) == "1" ); 55 } 56 57 58 TEST_CASE( "toString(enum class w/operator<<)", "[toString][enum][enumClass]" ) { 59 EnumClass2 e0 = EnumClass2::EnumClass2Value0; 60 CHECK( ::Catch::Detail::stringify(e0) == "E2/V0" ); 61 EnumClass2 e1 = EnumClass2::EnumClass2Value1; 62 CHECK( ::Catch::Detail::stringify(e1) == "E2/V1" ); 63 64 EnumClass2 e3 = static_cast<EnumClass2>(10); 65 CHECK( ::Catch::Detail::stringify(e3) == "Unknown enum value 10" ); 66 } 67
