1 #include "catch.hpp"
2
3 /*
4 TODO: maybe ought to check that user-provided specialisations of
5 Catch::toString also do the right thing
6 */
7
8 // Enum without user-provided stream operator
9 enum Enum1 { Enum1Value0, Enum1Value1 };
10
11 TEST_CASE( "toString(enum)", "[toString][enum]" ) {
12 Enum1 e0 = Enum1Value0;
13 CHECK( Catch::toString(e0) == "0" );
14 Enum1 e1 = Enum1Value1;
15 CHECK( Catch::toString(e1) == "1" );
16 }
17
18 // Enum with user-provided stream operator
19 enum Enum2 { Enum2Value0, Enum2Value1 };
20
operator <<(std::ostream & os,Enum2 v)21 inline std::ostream& operator<<( std::ostream& os, Enum2 v ) {
22 return os << "E2{" << static_cast<int>(v) << "}";
23 }
24
25 TEST_CASE( "toString(enum w/operator<<)", "[toString][enum]" ) {
26 Enum2 e0 = Enum2Value0;
27 CHECK( Catch::toString(e0) == "E2{0}" );
28 Enum2 e1 = Enum2Value1;
29 CHECK( Catch::toString(e1) == "E2{1}" );
30 }
31
32 #if defined(CATCH_CPP11_OR_GREATER)
33 #ifdef __clang__
34 #pragma clang diagnostic push
35 #pragma clang diagnostic ignored "-Wc++98-compat"
36 #endif
37
38 // Enum class without user-provided stream operator
39 enum class EnumClass1 { EnumClass1Value0, EnumClass1Value1 };
40
41 TEST_CASE( "toString(enum class)", "[toString][enum][enumClass][c++11][.]" ) {
42 EnumClass1 e0 = EnumClass1::EnumClass1Value0;
43 CHECK( Catch::toString(e0) == "0" );
44 EnumClass1 e1 = EnumClass1::EnumClass1Value1;
45 CHECK( Catch::toString(e1) == "1" );
46 }
47
48 // Enum class with user-provided stream operator
49 enum class EnumClass2 : short { EnumClass2Value0, EnumClass2Value1 };
50
operator <<(std::ostream & os,EnumClass2 e2)51 inline std::ostream& operator<<( std::ostream& os, EnumClass2 e2 ) {
52 switch( static_cast<int>( e2 ) ) {
53 case static_cast<int>( EnumClass2::EnumClass2Value0 ):
54 return os << "E2/V0";
55 case static_cast<int>( EnumClass2::EnumClass2Value1 ):
56 return os << "E2/V1";
57 default:
58 return os << "Unknown enum value " << static_cast<int>( e2 );
59 }
60 }
61
62 TEST_CASE( "toString(enum class w/operator<<)", "[toString][enum][enumClass][c++11][.]" ) {
63 EnumClass2 e0 = EnumClass2::EnumClass2Value0;
64 CHECK( Catch::toString(e0) == "E2/V0" );
65 EnumClass2 e1 = EnumClass2::EnumClass2Value1;
66 CHECK( Catch::toString(e1) == "E2/V1" );
67
68 EnumClass2 e3 = static_cast<EnumClass2>(10);
69 CHECK( Catch::toString(e3) == "Unknown enum value 10" );
70 }
71
72 #ifdef __clang__
73 #pragma clang diagnostic pop
74 #endif
75 #endif // CATCH_CPP11_OR_GREATER
76
77