catch2/tests/SelfTest/IntrospectiveTests/ToString.tests.cpp

53 lines
2.1 KiB
C++

#include <catch2/internal/catch_enum_values_registry.hpp>
#include <catch2/matchers/catch_matchers_vector.hpp>
#include <catch2/catch_test_macros.hpp>
enum class EnumClass3 { Value1, Value2, Value3, Value4 };
struct UsesSentinel {
using const_iterator = int const*;
using const_sentinel = std::nullptr_t;
const_iterator begin() const { return nullptr; }
const_iterator end() const { return nullptr; }
};
TEST_CASE( "parseEnums", "[Strings][enums]" ) {
using namespace Catch::Matchers;
using Catch::Detail::parseEnums;
SECTION( "No enums" )
CHECK_THAT( parseEnums( "" ), Equals( std::vector<Catch::StringRef>{} ) );
SECTION( "One enum value" ) {
CHECK_THAT( parseEnums( "ClassName::EnumName::Value1" ),
Equals(std::vector<Catch::StringRef>{"Value1"} ) );
CHECK_THAT( parseEnums( "Value1" ),
Equals( std::vector<Catch::StringRef>{"Value1"} ) );
CHECK_THAT( parseEnums( "EnumName::Value1" ),
Equals(std::vector<Catch::StringRef>{"Value1"} ) );
}
SECTION( "Multiple enum values" ) {
CHECK_THAT( parseEnums( "ClassName::EnumName::Value1, ClassName::EnumName::Value2" ),
Equals( std::vector<Catch::StringRef>{"Value1", "Value2"} ) );
CHECK_THAT( parseEnums( "ClassName::EnumName::Value1, ClassName::EnumName::Value2, ClassName::EnumName::Value3" ),
Equals( std::vector<Catch::StringRef>{"Value1", "Value2", "Value3"} ) );
CHECK_THAT( parseEnums( "ClassName::EnumName::Value1,ClassName::EnumName::Value2 , ClassName::EnumName::Value3" ),
Equals( std::vector<Catch::StringRef>{"Value1", "Value2", "Value3"} ) );
}
}
TEST_CASE( "Directly creating an EnumInfo" ) {
using namespace Catch::Detail;
auto enumInfo = makeEnumInfo( "EnumName", "EnumName::Value1, EnumName::Value2", {0, 1} );
CHECK( enumInfo->lookup(0) == "Value1" );
CHECK( enumInfo->lookup(1) == "Value2" );
CHECK( enumInfo->lookup(3) == "{** unexpected enum value **}" );
}
TEST_CASE("Range type with sentinel") {
CHECK( Catch::Detail::stringify(UsesSentinel{}) == "{ }" );
}