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Diffstat (limited to 'unittest/Catch/projects/SelfTest/ToStringWhich.cpp')
-rw-r--r-- | unittest/Catch/projects/SelfTest/ToStringWhich.cpp | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/unittest/Catch/projects/SelfTest/ToStringWhich.cpp b/unittest/Catch/projects/SelfTest/ToStringWhich.cpp new file mode 100644 index 0000000..1d4aa89 --- /dev/null +++ b/unittest/Catch/projects/SelfTest/ToStringWhich.cpp @@ -0,0 +1,68 @@ +#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... +TEST_CASE( "toString( vectors<has_toString )", "[toString]" ) { + 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> }" ); +} + + +TEST_CASE( "toString( vectors<has_maker_and_toString )", "[toString]" ) { + 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> }" ); +} |