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Template tests: added TEMPLATE_PRODUCT_TEST_CASE
support for generating test cases based on multiple template template
types combined with template arguments for each of the template template
types specified
e.g.
```
TEMPLATE_PRODUCT_TEST_CASE("template product","[template]",
(std::tuple, std::pair, std::map),
((int,float),(char,double),(int,char)))
```
will effectively create 9 test cases with types:
std::tuple<int,float>
std::tuple<char,double>
std::tuple<int,char>
std::pair<int,float>
std::pair<char, double>
std::pair<int,char>
std::map<int,float>
std::map<char,double>
std::map<int,char>
Tested type is accessible in test case body as TestType
Unique name is created by appending ` - <index>` to test name
since preprocessor has some limitations in recursions
Closes #1454
This commit is contained in:
Jozef Grajciar
@@ -148,9 +148,13 @@
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#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
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#define CATCH_TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE( __VA_ARGS__ )
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#define CATCH_TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ )
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#define CATCH_TEMPLATE_PRODUCT_TEST_CASE( ... ) INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE( __VA_ARGS__ )
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#define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, __VA_ARGS__ )
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#else
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#define CATCH_TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE( __VA_ARGS__ ) )
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#define CATCH_TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ ) )
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#define CATCH_TEMPLATE_PRODUCT_TEST_CASE( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE( __VA_ARGS__ ) )
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#define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, __VA_ARGS__ ) )
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#endif
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@@ -226,9 +230,13 @@
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#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
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#define TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE( __VA_ARGS__ )
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#define TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ )
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#define TEMPLATE_PRODUCT_TEST_CASE( ... ) INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE( __VA_ARGS__ )
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#define TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, __VA_ARGS__ )
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#else
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#define TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE( __VA_ARGS__ ) )
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#define TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ ) )
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#define TEMPLATE_PRODUCT_TEST_CASE( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE( __VA_ARGS__ ) )
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#define TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, __VA_ARGS__ ) )
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#endif
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@@ -313,9 +321,13 @@ using Catch::Detail::Approx;
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#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
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#define CATCH_TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) )
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#define CATCH_TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), className )
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#define CATCH_TEMPLATE_PRODUCT_TEST_CASE( ... ) CATCH_TEMPLATE_TEST_CASE( __VA_ARGS__ )
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#define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, ... ) CATCH_TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ )
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#else
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#define CATCH_TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) ) )
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#define CATCH_TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), className ) )
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#define CATCH_TEMPLATE_PRODUCT_TEST_CASE( ... ) CATCH_TEMPLATE_TEST_CASE( __VA_ARGS__ )
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#define CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, ... ) CATCH_TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ )
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#endif
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// "BDD-style" convenience wrappers
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@@ -384,9 +396,13 @@ using Catch::Detail::Approx;
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#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
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#define TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) )
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#define TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), className )
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#define TEMPLATE_PRODUCT_TEST_CASE( ... ) TEMPLATE_TEST_CASE( __VA_ARGS__ )
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#define TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, ... ) TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ )
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#else
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#define TEMPLATE_TEST_CASE( ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) ) )
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#define TEMPLATE_TEST_CASE_METHOD( className, ... ) INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_NO_REGISTRATION(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), className ) )
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#define TEMPLATE_PRODUCT_TEST_CASE( ... ) TEMPLATE_TEST_CASE( __VA_ARGS__ )
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#define TEMPLATE_PRODUCT_TEST_CASE_METHOD( className, ... ) TEMPLATE_TEST_CASE_METHOD( className, __VA_ARGS__ )
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#endif
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#define STATIC_REQUIRE( ... ) (void)(0)
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76
include/internal/catch_meta.hpp
Normal file
76
include/internal/catch_meta.hpp
Normal file
@@ -0,0 +1,76 @@
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/*
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* Created by Jozef on 02/12/2018.
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* Copyright 2018 Two Blue Cubes Ltd. All rights reserved.
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*
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* Distributed under the Boost Software License, Version 1.0. (See accompanying
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* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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*/
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#ifndef TWOBLUECUBES_CATCH_META_HPP_INCLUDED
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#define TWOBLUECUBES_CATCH_META_HPP_INCLUDED
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template< typename... >
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struct TypeList{};
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template< typename... >
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struct append;
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template< template<typename...> class L1
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, typename...E1
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, template<typename...> class L2
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, typename...E2
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>
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struct append< L1<E1...>, L2<E2...> >
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{
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using type = L1<E1..., E2...>;
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};
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template< template<typename...> class L1
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, typename...E1
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, template<typename...> class L2
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, typename...E2
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, typename...Rest
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>
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struct append< L1<E1...>, L2<E2...>, Rest...>
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{
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using type = typename append< L1<E1..., E2...>, Rest... >::type;
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};
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template< template<typename...> class
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, typename...
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>
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struct rewrap;
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template< template<typename...> class Container
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, template<typename...> class List
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, typename...elems
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>
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struct rewrap<Container, List<elems...>>
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{
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using type = TypeList< Container< elems... > >;
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};
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template< template<typename...> class Container
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, template<typename...> class List
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, class...Elems
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, typename...Elements>
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struct rewrap<Container, List<Elems...>, Elements...>
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{
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using type = typename append<TypeList<Container<Elems...>>, typename rewrap<Container, Elements...>::type>::type;
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};
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template< template<typename...> class...Containers >
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struct combine
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{
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template< typename...Types >
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struct with_types
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{
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template< template <typename...> class Final >
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struct into
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{
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using type = typename append<Final<>, typename rewrap<Containers, Types...>::type...>::type;
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};
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};
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};
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#endif // TWOBLUECUBES_CATCH_META_HPP_INCLUDED
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@@ -71,4 +71,9 @@
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#define INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME(Name, ...) INTERNAL_CATCH_TEMPLATE_UNIQUE_NAME1(Name, INTERNAL_CATCH_EXPAND_VARGS(INTERNAL_CATCH_REMOVE_PARENS(__VA_ARGS__)))
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#endif
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#define INTERNAL_CATCH_MAKE_TYPE_LIST(types) TypeList<INTERNAL_CATCH_REMOVE_PARENS(types)>
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#define INTERNAL_CATCH_MAKE_TYPE_LISTS_FROM_TYPES(types)\
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CATCH_REC_LIST(INTERNAL_CATCH_MAKE_TYPE_LIST,INTERNAL_CATCH_REMOVE_PARENS(types))
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#endif // TWOBLUECUBES_CATCH_PREPROCESSOR_HPP_INCLUDED
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@@ -14,6 +14,7 @@
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#include "catch_stringref.h"
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#include "catch_type_traits.hpp"
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#include "catch_preprocessor.hpp"
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#include "catch_meta.hpp"
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namespace Catch {
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@@ -150,6 +151,38 @@ struct AutoReg : NonCopyable {
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return 0;\
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}();
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#define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE2(TestName, TestFuncName, Name, Tags, TmplTypes, TypesList) \
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CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
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template<typename TestType> static void TestFuncName(); \
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namespace { \
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template<typename... Types> \
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struct TestName { \
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TestName() { \
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CATCH_INTERNAL_CHECK_UNIQUE_TYPES(Types...) \
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int index = 0; \
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using expander = int[]; \
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(void)expander{(Catch::AutoReg( Catch::makeTestInvoker( &TestFuncName<Types> ), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), Catch::NameAndTags{ Name " - " + Catch::StringMaker<int>::convert(index++), Tags } ), 0)... };/* NOLINT */ \
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} \
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}; \
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static int INTERNAL_CATCH_UNIQUE_NAME( globalRegistrar ) = [](){ \
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using TestInit = combine<INTERNAL_CATCH_REMOVE_PARENS(TmplTypes)> \
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::with_types<INTERNAL_CATCH_MAKE_TYPE_LISTS_FROM_TYPES(TypesList)>::into<TestName>::type; \
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TestInit(); \
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return 0; \
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}(); \
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} \
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CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS \
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template<typename TestType> \
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static void TestFuncName()
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#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
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#define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE(Name, Tags, ...)\
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INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE2(INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ),Name,Tags,__VA_ARGS__)
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#else
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#define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE(Name, Tags, ...)\
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INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, __VA_ARGS__ ) )
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#endif
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#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_2( TestNameClass, TestName, ClassName, Name, Tags, ... ) \
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CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
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namespace{ \
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@@ -180,4 +213,39 @@ struct AutoReg : NonCopyable {
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INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____C_L_A_S_S____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ) , ClassName, Name, Tags, __VA_ARGS__ ) )
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#endif
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#define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_2(TestNameClass, TestName, ClassName, Name, Tags, TmplTypes, TypesList)\
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CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
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template<typename TestType> \
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struct TestName : INTERNAL_CATCH_REMOVE_PARENS(ClassName <TestType>) { \
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void test();\
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};\
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namespace {\
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template<typename...Types>\
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struct TestNameClass{\
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TestNameClass(){\
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CATCH_INTERNAL_CHECK_UNIQUE_TYPES(Types...)\
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int index = 0;\
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using expander = int[];\
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(void)expander{(Catch::AutoReg( Catch::makeTestInvoker( &TestName<Types>::test ), CATCH_INTERNAL_LINEINFO, #ClassName, Catch::NameAndTags{ Name " - " + Catch::StringMaker<int>::convert(index++), Tags } ), 0)... };/* NOLINT */ \
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}\
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};\
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static int INTERNAL_CATCH_UNIQUE_NAME( globalRegistrar ) = [](){\
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using TestInit = combine<INTERNAL_CATCH_REMOVE_PARENS(TmplTypes)>\
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::with_types<INTERNAL_CATCH_MAKE_TYPE_LISTS_FROM_TYPES(TypesList)>::into<TestNameClass>::type;\
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TestInit();\
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return 0;\
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}(); \
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}\
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CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS \
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template<typename TestType> \
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void TestName<TestType>::test()
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#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
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#define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( ClassName, Name, Tags, ... )\
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INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), ClassName, Name, Tags, __VA_ARGS__ )
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#else
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#define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD( ClassName, Name, Tags, ... )\
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INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), ClassName, Name, Tags, __VA_ARGS__ ) )
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#endif
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#endif // TWOBLUECUBES_CATCH_TEST_REGISTRY_HPP_INCLUDED
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