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Moved enum tests that depend on internals to IntrospectiveTests.

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- also factored out makeEnumInfo, so tests don't need to touch registry
- and added usage test that involves namespace
This commit is contained in:
Phil nash 2019-04-25 10:13:11 +01:00
parent e02d9e788f
commit f2ee4f17ad
5 changed files with 67 additions and 37 deletions
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8
include/internal/catch_enum_values_registry.cpp
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@ -38,9 +38,10 @@ namespace Catch {
return "{** unexpected enum value **}";
}
EnumInfo const& EnumValuesRegistry::registerEnum( StringRef enumName, StringRef allValueNames, std::vector<int> const& values ) {
std::unique_ptr<EnumInfo> makeEnumInfo( StringRef enumName, StringRef allValueNames, std::vector<int> const& values ) {
std::unique_ptr<EnumInfo> enumInfo( new EnumInfo );
enumInfo->m_name = enumName;
enumInfo->m_values.reserve( values.size() );
const auto valueNames = Catch::Detail::parseEnums( allValueNames );
assert( valueNames.size() == values.size() );
@ -48,6 +49,11 @@ namespace Catch {
for( auto value : values )
enumInfo->m_values.push_back({ value, valueNames[i++] });
return enumInfo;
}
EnumInfo const& EnumValuesRegistry::registerEnum( StringRef enumName, StringRef allValueNames, std::vector<int> const& values ) {
auto enumInfo = makeEnumInfo( enumName, allValueNames, values );
EnumInfo* raw = enumInfo.get();
m_enumInfos.push_back( std::move( enumInfo ) );
return *raw;

4
include/internal/catch_enum_values_registry.h
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@ -16,11 +16,13 @@ namespace Catch {
namespace Detail {
std::unique_ptr<EnumInfo> makeEnumInfo( StringRef enumName, StringRef allValueNames, std::vector<int> const& values );
class EnumValuesRegistry : public IMutableEnumValuesRegistry {
std::vector<std::unique_ptr<EnumInfo>> m_enumInfos;
EnumInfo const& registerEnum(StringRef enumName, StringRef allEnums, std::vector<int> const& values) override;
EnumInfo const& registerEnum( StringRef enumName, StringRef allEnums, std::vector<int> const& values) override;
};
std::vector<std::string> parseEnums( StringRef enums );

1
projects/CMakeLists.txt
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@ -22,6 +22,7 @@ set(TEST_SOURCES
${SELF_TEST_DIR}/IntrospectiveTests/Tag.tests.cpp
${SELF_TEST_DIR}/IntrospectiveTests/String.tests.cpp
${SELF_TEST_DIR}/IntrospectiveTests/Xml.tests.cpp
${SELF_TEST_DIR}/IntrospectiveTests/ToString.tests.cpp
${SELF_TEST_DIR}/UsageTests/Approx.tests.cpp
${SELF_TEST_DIR}/UsageTests/BDD.tests.cpp
${SELF_TEST_DIR}/UsageTests/Benchmark.tests.cpp

42
projects/SelfTest/IntrospectiveTests/ToString.tests.cpp Normal file
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@ -0,0 +1,42 @@
#include "catch.hpp"
#include "internal/catch_enum_values_registry.h"
enum class EnumClass3 { Value1, Value2, Value3, Value4 };
TEST_CASE( "parseEnums", "[Strings][enums]" ) {
using namespace Catch::Matchers;
using Catch::Detail::parseEnums;
SECTION( "No enums" )
CHECK_THAT( parseEnums( "" ), Equals( std::vector<std::string>{} ) );
SECTION( "One enum value" ) {
CHECK_THAT( parseEnums( "ClassName::EnumName::Value1" ),
Equals(std::vector<std::string>{"Value1"} ) );
CHECK_THAT( parseEnums( "Value1" ),
Equals( std::vector<std::string>{"Value1"} ) );
CHECK_THAT( parseEnums( "EnumName::Value1" ),
Equals(std::vector<std::string>{"Value1"} ) );
}
SECTION( "Multiple enum values" ) {
CHECK_THAT( parseEnums( "ClassName::EnumName::Value1, ClassName::EnumName::Value2" ),
Equals( std::vector<std::string>{"Value1", "Value2"} ) );
CHECK_THAT( parseEnums( "ClassName::EnumName::Value1, ClassName::EnumName::Value2, ClassName::EnumName::Value3" ),
Equals( std::vector<std::string>{"Value1", "Value2", "Value3"} ) );
CHECK_THAT( parseEnums( "ClassName::EnumName::Value1,ClassName::EnumName::Value2 , ClassName::EnumName::Value3" ),
Equals( std::vector<std::string>{"Value1", "Value2", "Value3"} ) );
}
}
TEST_CASE( "Directly creating an EnumInfo" ) {
using namespace Catch::Detail;
std::unique_ptr<EnumInfo> 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 **}" );
}

49
projects/SelfTest/UsageTests/EnumToString.tests.cpp
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@ -61,7 +61,7 @@ TEST_CASE( "toString(enum class w/operator<<)", "[toString][enum][enumClass]" )
EnumClass2 e1 = EnumClass2::EnumClass2Value1;
CHECK( ::Catch::Detail::stringify(e1) == "E2/V1" );
EnumClass2 e3 = static_cast<EnumClass2>(10);
auto e3 = static_cast<EnumClass2>(10);
CHECK( ::Catch::Detail::stringify(e3) == "Unknown enum value 10" );
}
@ -70,7 +70,7 @@ enum class EnumClass3 { Value1, Value2, Value3, Value4 };
CATCH_REGISTER_ENUM( EnumClass3, EnumClass3::Value1, EnumClass3::Value2, EnumClass3::Value3 )
TEST_CASE( "REGISTER_ENUM" ) {
TEST_CASE( "Enums can quickly have stringification enabled using REGISTER_ENUM" ) {
using Catch::Detail::stringify;
REQUIRE( stringify( EnumClass3::Value1 ) == "Value1" );
REQUIRE( stringify( EnumClass3::Value2 ) == "Value2" );
@ -81,40 +81,19 @@ TEST_CASE( "REGISTER_ENUM" ) {
REQUIRE( stringify( ec3 ) == "Value2" );
}
#include "internal/catch_interfaces_enum_values_registry.h"
TEST_CASE( "EnumInfo" ) {
auto& hub = Catch::getMutableRegistryHub();
auto& reg = hub.getMutableEnumValuesRegistry();
auto const& enumInfo = reg.registerEnum( "EnumName", "EnumName::Value1, EnumName::Value2", {0, 1} );
CHECK( enumInfo.lookup(0) == "Value1" );
CHECK( enumInfo.lookup(1) == "Value2" );
CHECK( enumInfo.lookup(3) == "{** unexpected enum value **}" );
namespace Bikeshed {
enum class Colours { Red, Green, Blue };
}
#include "internal/catch_enum_values_registry.h"
// Important!: This macro must appear at top level scope - not inside a namespace
// You can fully qualify the names, or use a using if you prefer
CATCH_REGISTER_ENUM( Bikeshed::Colours,
Bikeshed::Colours::Red,
Bikeshed::Colours::Green,
Bikeshed::Colours::Blue );
TEST_CASE( "parseEnums", "[Strings][enums]" ) {
using namespace Catch::Matchers;
using Catch::Detail::parseEnums;
SECTION( "No enums" )
CHECK_THAT( parseEnums( "" ), Equals( std::vector<std::string>{} ) );
SECTION( "One enum value" ) {
CHECK_THAT( parseEnums( "ClassName::EnumName::Value1" ), Equals(std::vector<std::string>{"Value1"} ) );
CHECK_THAT( parseEnums( "Value1" ), Equals( std::vector<std::string>{"Value1"} ) );
CHECK_THAT( parseEnums( "EnumName::Value1" ), Equals(std::vector<std::string>{"Value1"} ) );
}
SECTION( "Multiple enum values" ) {
CHECK_THAT( parseEnums( "ClassName::EnumName::Value1, ClassName::EnumName::Value2" ),
Equals( std::vector<std::string>{"Value1", "Value2"} ) );
CHECK_THAT( parseEnums( "ClassName::EnumName::Value1, ClassName::EnumName::Value2, ClassName::EnumName::Value3" ),
Equals( std::vector<std::string>{"Value1", "Value2", "Value3"} ) );
CHECK_THAT( parseEnums( "ClassName::EnumName::Value1,ClassName::EnumName::Value2 , ClassName::EnumName::Value3" ),
Equals( std::vector<std::string>{"Value1", "Value2", "Value3"} ) );
}
TEST_CASE( "Enums in namespaces can quickly have stringification enabled using REGISTER_ENUM" ) {
using Catch::Detail::stringify;
REQUIRE( stringify( Bikeshed::Colours::Red ) == "Red" );
REQUIRE( stringify( Bikeshed::Colours::Blue ) == "Blue" );
}