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# By Andy Sawyer # Via Andy Sawyer (1) and Phil Nash (1) * 'develop' of github.com:philsquared/Catch: catch_tostring: tostring for enum class types SelfTest: Build as C++11, add EnumToString tests SelfTest: refresh makefile
72 lines
1.9 KiB
C++
72 lines
1.9 KiB
C++
#include "catch.hpp"
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/*
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TODO: maybe ought to check that user-provided specialisations of
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Catch::toString also do the right thing
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*/
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// Enum without user-provided stream operator
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enum Enum1 { Enum1Value0, Enum1Value1 };
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TEST_CASE( "toString(enum)", "[toString][enum]" )
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{
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Enum1 e0 = Enum1Value0;
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CHECK( Catch::toString(e0) == "0" );
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Enum1 e1 = Enum1Value1;
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CHECK( Catch::toString(e1) == "1" );
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}
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// Enum with user-provided stream operator
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enum Enum2 { Enum2Value0, Enum2Value1 };
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inline std::ostream& operator<<( std::ostream& os, Enum2 v )
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{
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return os << "E2{" << static_cast<int>(v) << "}";
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}
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TEST_CASE( "toString(enum w/operator<<)", "[toString][enum]" )
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{
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Enum2 e0 = Enum2Value0;
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CHECK( Catch::toString(e0) == "E2{0}" );
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Enum2 e1 = Enum2Value1;
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CHECK( Catch::toString(e1) == "E2{1}" );
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}
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#if defined(CATCH_CPP11_OR_GREATER)
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// Enum class without user-provided stream operator
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enum class EnumClass1 { EnumClass1Value0, EnumClass1Value1 };
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TEST_CASE( "toString(enum class)", "[toString][enum][enumClass]" )
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{
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EnumClass1 e0 = EnumClass1::EnumClass1Value0;
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CHECK( Catch::toString(e0) == "0" );
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EnumClass1 e1 = EnumClass1::EnumClass1Value1;
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CHECK( Catch::toString(e1) == "1" );
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}
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// Enum class with user-provided stream operator
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enum class EnumClass2 : short { EnumClass2Value0, EnumClass2Value1 };
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inline std::ostream& operator<<( std::ostream& os, EnumClass2 e2 )
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{
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switch( e2 )
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{
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case EnumClass2::EnumClass2Value0:
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return os << "E2/V0";
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case EnumClass2::EnumClass2Value1:
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return os << "E2/V1";
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}
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return os << "unexpected...";
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}
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TEST_CASE( "toString(enum class w/operator<<)", "[toString][enum][enumClass]" )
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{
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EnumClass2 e0 = EnumClass2::EnumClass2Value0;
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CHECK( Catch::toString(e0) == "E2/V0" );
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EnumClass2 e1 = EnumClass2::EnumClass2Value1;
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CHECK( Catch::toString(e1) == "E2/V1" );
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}
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#endif
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