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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#pragma once
#include "../namespaces.h"
#include "../utilities/semantics/move_into_vector.h"
#include "combinators/oneof_generator.h"
#include <catch/catch.hpp>
#include <random>
#include <QChar>
namespace QDOC_CATCH_GENERATORS_ROOT_NAMESPACE {
namespace QDOC_CATCH_GENERATORS_PRIVATE_NAMESPACE {
class QCharGenerator : public Catch::Generators::IGenerator<QChar> {
public:
QCharGenerator(
char16_t lower_bound = std::numeric_limits<char16_t>::min(),
char16_t upper_bound = std::numeric_limits<char16_t>::max()
) : random_engine{std::random_device{}()},
distribution{static_cast<unsigned int>(lower_bound), static_cast<unsigned int>(upper_bound)}
{
assert(lower_bound <= upper_bound);
static_cast<void>(next());
}
QChar const& get() const override { return current_character; }
bool next() override {
current_character = QChar(static_cast<char16_t>(distribution(random_engine)));
return true;
}
private:
QChar current_character;
std::mt19937 random_engine;
std::uniform_int_distribution<unsigned int> distribution;
};
} // end QDOC_CATCH_GENERATORS_PRIVATE_NAMESPACE
/*!
* Returns a generator of that generates elements of QChar whose
* ucs value is in the range [\a lower_bound, \a upper_bound].
*
* When \a lower_bound = \a upper_bound, the generator infinitely
* generates the same character.
*/
inline Catch::Generators::GeneratorWrapper<QChar> character(char16_t lower_bound = std::numeric_limits<char16_t>::min(), char16_t upper_bound = std::numeric_limits<char16_t>::max()) {
return Catch::Generators::GeneratorWrapper<QChar>(std::unique_ptr<Catch::Generators::IGenerator<QChar>>(new QDOC_CATCH_GENERATORS_PRIVATE_NAMESPACE::QCharGenerator(lower_bound, upper_bound)));
}
namespace QDOC_CATCH_GENERATORS_QCHAR_ALPHABETS_NAMESPACE {
namespace QDOC_CATCH_GENERATORS_TRAITS_NAMESPACE {
enum class Alphabets : std::size_t {digit, ascii_lowercase, ascii_uppercase, ascii_alpha, ascii_alphanumeric, portable_posix_filename};
template<Alphabets alphabet>
struct sizeof_alphabet;
template<Alphabets alphabet>
inline constexpr std::size_t sizeof_alphabet_v = sizeof_alphabet<alphabet>::value;
template <> struct sizeof_alphabet<Alphabets::digit> { static constexpr std::size_t value{'9' - '0'}; };
template <> struct sizeof_alphabet<Alphabets::ascii_lowercase> { static constexpr std::size_t value{'z' - 'a'}; };
template<> struct sizeof_alphabet<Alphabets::ascii_uppercase> { static constexpr std::size_t value{'Z' - 'A'}; };
template<> struct sizeof_alphabet<Alphabets::ascii_alpha> { static constexpr std::size_t value{sizeof_alphabet_v<Alphabets::ascii_lowercase> + sizeof_alphabet_v<Alphabets::ascii_uppercase>}; };
template<> struct sizeof_alphabet<Alphabets::ascii_alphanumeric>{ static constexpr std::size_t value{sizeof_alphabet_v<Alphabets::ascii_alpha> + sizeof_alphabet_v<Alphabets::digit>}; };
} // end QDOC_CATCH_GENERATORS_TRAITS_NAMESPACE
inline Catch::Generators::GeneratorWrapper<QChar> digit() {
return Catch::Generators::GeneratorWrapper<QChar>(std::unique_ptr<Catch::Generators::IGenerator<QChar>>(new QDOC_CATCH_GENERATORS_PRIVATE_NAMESPACE::QCharGenerator('0', '9')));
}
inline Catch::Generators::GeneratorWrapper<QChar> ascii_lowercase() {
return Catch::Generators::GeneratorWrapper<QChar>(std::unique_ptr<Catch::Generators::IGenerator<QChar>>(new QDOC_CATCH_GENERATORS_PRIVATE_NAMESPACE::QCharGenerator('a', 'z')));
}
inline Catch::Generators::GeneratorWrapper<QChar> ascii_uppercase() {
return Catch::Generators::GeneratorWrapper<QChar>(std::unique_ptr<Catch::Generators::IGenerator<QChar>>(new QDOC_CATCH_GENERATORS_PRIVATE_NAMESPACE::QCharGenerator('A', 'Z')));
}
inline Catch::Generators::GeneratorWrapper<QChar> ascii_alpha() {
return uniform_oneof(QDOC_CATCH_GENERATORS_UTILITIES_ABSOLUTE_NAMESPACE::move_into_vector(ascii_lowercase(), ascii_uppercase()));
}
inline Catch::Generators::GeneratorWrapper<QChar> ascii_alphanumeric() {
return uniformly_valued_oneof(QDOC_CATCH_GENERATORS_UTILITIES_ABSOLUTE_NAMESPACE::move_into_vector(ascii_alpha(), digit()), std::vector{traits::sizeof_alphabet_v<traits::Alphabets::ascii_alpha> , traits::sizeof_alphabet_v<traits::Alphabets::digit>});
}
inline Catch::Generators::GeneratorWrapper<QChar> portable_posix_filename() {
return uniformly_valued_oneof(QDOC_CATCH_GENERATORS_UTILITIES_ABSOLUTE_NAMESPACE::move_into_vector(ascii_alphanumeric(), character('.', '.'), character('-', '-'), character('_', '_')),
std::vector{traits::sizeof_alphabet_v<traits::Alphabets::ascii_alphanumeric>, std::size_t{1}, std::size_t{1}, std::size_t{1}});
}
} // end QDOC_CATCH_GENERATORS_QCHAR_ALPHABETS_NAMESPACE
} // end QDOC_CATCH_GENERATORS_ROOT_NAMESPACE
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