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-rw-r--r--include/internal/catch_generators.hpp212
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diff --git a/include/internal/catch_generators.hpp b/include/internal/catch_generators.hpp
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--- a/include/internal/catch_generators.hpp
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@@ -1,212 +0,0 @@
-/*
- * Created by Phil Nash on 15/6/2018.
- *
- * Distributed under the Boost Software License, Version 1.0. (See accompanying
- * file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- */
-#ifndef TWOBLUECUBES_CATCH_GENERATORS_HPP_INCLUDED
-#define TWOBLUECUBES_CATCH_GENERATORS_HPP_INCLUDED
-
-#include "catch_interfaces_generatortracker.h"
-#include "catch_common.h"
-#include "catch_enforce.h"
-
-#include <memory>
-#include <vector>
-#include <cassert>
-
-#include <utility>
-#include <exception>
-
-namespace Catch {
-
-class GeneratorException : public std::exception {
- const char* const m_msg = "";
-
-public:
- GeneratorException(const char* msg):
- m_msg(msg)
- {}
-
- const char* what() const noexcept override final;
-};
-
-namespace Generators {
-
- // !TBD move this into its own location?
- namespace pf{
- template<typename T, typename... Args>
- std::unique_ptr<T> make_unique( Args&&... args ) {
- return std::unique_ptr<T>(new T(std::forward<Args>(args)...));
- }
- }
-
- template<typename T>
- struct IGenerator : GeneratorUntypedBase {
- virtual ~IGenerator() = default;
-
- // Returns the current element of the generator
- //
- // \Precondition The generator is either freshly constructed,
- // or the last call to `next()` returned true
- virtual T const& get() const = 0;
- using type = T;
- };
-
- template<typename T>
- class SingleValueGenerator final : public IGenerator<T> {
- T m_value;
- public:
- SingleValueGenerator(T&& value) : m_value(std::move(value)) {}
-
- T const& get() const override {
- return m_value;
- }
- bool next() override {
- return false;
- }
- };
-
- template<typename T>
- class FixedValuesGenerator final : public IGenerator<T> {
- static_assert(!std::is_same<T, bool>::value,
- "FixedValuesGenerator does not support bools because of std::vector<bool>"
- "specialization, use SingleValue Generator instead.");
- std::vector<T> m_values;
- size_t m_idx = 0;
- public:
- FixedValuesGenerator( std::initializer_list<T> values ) : m_values( values ) {}
-
- T const& get() const override {
- return m_values[m_idx];
- }
- bool next() override {
- ++m_idx;
- return m_idx < m_values.size();
- }
- };
-
- template <typename T>
- class GeneratorWrapper final {
- std::unique_ptr<IGenerator<T>> m_generator;
- public:
- GeneratorWrapper(std::unique_ptr<IGenerator<T>> generator):
- m_generator(std::move(generator))
- {}
- T const& get() const {
- return m_generator->get();
- }
- bool next() {
- return m_generator->next();
- }
- };
-
- template <typename T>
- GeneratorWrapper<T> value(T&& value) {
- return GeneratorWrapper<T>(pf::make_unique<SingleValueGenerator<T>>(std::forward<T>(value)));
- }
- template <typename T>
- GeneratorWrapper<T> values(std::initializer_list<T> values) {
- return GeneratorWrapper<T>(pf::make_unique<FixedValuesGenerator<T>>(values));
- }
-
- template<typename T>
- class Generators : public IGenerator<T> {
- std::vector<GeneratorWrapper<T>> m_generators;
- size_t m_current = 0;
-
- void populate(GeneratorWrapper<T>&& generator) {
- m_generators.emplace_back(std::move(generator));
- }
- void populate(T&& val) {
- m_generators.emplace_back(value(std::forward<T>(val)));
- }
- template<typename U>
- void populate(U&& val) {
- populate(T(std::forward<U>(val)));
- }
- template<typename U, typename... Gs>
- void populate(U&& valueOrGenerator, Gs &&... moreGenerators) {
- populate(std::forward<U>(valueOrGenerator));
- populate(std::forward<Gs>(moreGenerators)...);
- }
-
- public:
- template <typename... Gs>
- Generators(Gs &&... moreGenerators) {
- m_generators.reserve(sizeof...(Gs));
- populate(std::forward<Gs>(moreGenerators)...);
- }
-
- T const& get() const override {
- return m_generators[m_current].get();
- }
-
- bool next() override {
- if (m_current >= m_generators.size()) {
- return false;
- }
- const bool current_status = m_generators[m_current].next();
- if (!current_status) {
- ++m_current;
- }
- return m_current < m_generators.size();
- }
- };
-
-
- template<typename... Ts>
- GeneratorWrapper<std::tuple<Ts...>> table( std::initializer_list<std::tuple<typename std::decay<Ts>::type...>> tuples ) {
- return values<std::tuple<Ts...>>( tuples );
- }
-
- // Tag type to signal that a generator sequence should convert arguments to a specific type
- template <typename T>
- struct as {};
-
- template<typename T, typename... Gs>
- auto makeGenerators( GeneratorWrapper<T>&& generator, Gs &&... moreGenerators ) -> Generators<T> {
- return Generators<T>(std::move(generator), std::forward<Gs>(moreGenerators)...);
- }
- template<typename T>
- auto makeGenerators( GeneratorWrapper<T>&& generator ) -> Generators<T> {
- return Generators<T>(std::move(generator));
- }
- template<typename T, typename... Gs>
- auto makeGenerators( T&& val, Gs &&... moreGenerators ) -> Generators<T> {
- return makeGenerators( value( std::forward<T>( val ) ), std::forward<Gs>( moreGenerators )... );
- }
- template<typename T, typename U, typename... Gs>
- auto makeGenerators( as<T>, U&& val, Gs &&... moreGenerators ) -> Generators<T> {
- return makeGenerators( value( T( std::forward<U>( val ) ) ), std::forward<Gs>( moreGenerators )... );
- }
-
- auto acquireGeneratorTracker( SourceLineInfo const& lineInfo ) -> IGeneratorTracker&;
-
- template<typename L>
- // Note: The type after -> is weird, because VS2015 cannot parse
- // the expression used in the typedef inside, when it is in
- // return type. Yeah.
- auto generate( SourceLineInfo const& lineInfo, L const& generatorExpression ) -> decltype(std::declval<decltype(generatorExpression())>().get()) {
- using UnderlyingType = typename decltype(generatorExpression())::type;
-
- IGeneratorTracker& tracker = acquireGeneratorTracker( lineInfo );
- if (!tracker.hasGenerator()) {
- tracker.setGenerator(pf::make_unique<Generators<UnderlyingType>>(generatorExpression()));
- }
-
- auto const& generator = static_cast<IGenerator<UnderlyingType> const&>( *tracker.getGenerator() );
- return generator.get();
- }
-
-} // namespace Generators
-} // namespace Catch
-
-#define GENERATE( ... ) \
- Catch::Generators::generate( CATCH_INTERNAL_LINEINFO, [ ]{ using namespace Catch::Generators; return makeGenerators( __VA_ARGS__ ); } ) //NOLINT(google-build-using-namespace)
-#define GENERATE_COPY( ... ) \
- Catch::Generators::generate( CATCH_INTERNAL_LINEINFO, [=]{ using namespace Catch::Generators; return makeGenerators( __VA_ARGS__ ); } ) //NOLINT(google-build-using-namespace)
-#define GENERATE_REF( ... ) \
- Catch::Generators::generate( CATCH_INTERNAL_LINEINFO, [&]{ using namespace Catch::Generators; return makeGenerators( __VA_ARGS__ ); } ) //NOLINT(google-build-using-namespace)
-
-#endif // TWOBLUECUBES_CATCH_GENERATORS_HPP_INCLUDED