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// Copyright Catch2 Authors
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
// SPDX-License-Identifier: BSL-1.0
#include <Progmasoft/Catch3/Interfaces/IGeneratorTracker.hpp>
#include <Progmasoft/Catch3/Generators/Generators.hpp>
#include <string>
namespace Catch {
namespace Generators {
bool GeneratorUntypedBase::countedNext() {
auto ret = next();
if ( ret ) {
m_stringReprCache.clear();
++m_currentElementIndex;
}
return ret;
}
void GeneratorUntypedBase::skipToNthElementImpl( std::size_t n ) {
for ( size_t i = m_currentElementIndex; i < n; ++i ) {
bool isValid = next();
if ( !isValid ) {
Detail::throw_generator_exception(
"Could not jump to Nth element: not enough elements" );
}
}
}
void GeneratorUntypedBase::skipToNthElement( std::size_t n ) {
if ( n < m_currentElementIndex ) {
Detail::throw_generator_exception(
"Tried to jump generator backwards" );
}
if ( n == m_currentElementIndex ) { return; }
skipToNthElementImpl(n);
// Fixup tracking after moving the generator forward
// * Ensure that the correct element index is set after skipping
// * Invalidate cache
m_currentElementIndex = n;
m_stringReprCache.clear();
}
StringRef GeneratorUntypedBase::currentElementAsString() const {
if ( m_stringReprCache.empty() ) {
m_stringReprCache = stringifyImpl();
}
return m_stringReprCache;
}
bool GeneratorUntypedBase::isFinite() const { return true; }
} // namespace Generators
} // namespace Catch
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