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70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
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// Copyright Catch2 Authors
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// https://www.boost.org/LICENSE_1_0.txt)
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// SPDX-License-Identifier: BSL-1.0
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#ifndef CATCH_STREAM_HPP_INCLUDED
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#define CATCH_STREAM_HPP_INCLUDED
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#include <catch2/internal/catch_noncopyable.hpp>
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#include <catch2/internal/catch_unique_ptr.hpp>
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#include <iosfwd>
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#include <cstddef>
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#include <ostream>
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#include <string>
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namespace Catch {
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std::ostream& cout();
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std::ostream& cerr();
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std::ostream& clog();
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struct IStream {
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virtual ~IStream(); // = default
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virtual std::ostream& stream() const = 0;
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};
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auto makeStream( std::string const& filename ) -> Detail::unique_ptr<IStream const>;
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class ReusableStringStream : Detail::NonCopyable {
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std::size_t m_index;
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std::ostream* m_oss;
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public:
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ReusableStringStream();
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~ReusableStringStream();
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//! Returns the serialized state
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std::string str() const;
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//! Sets internal state to `str`
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void str(std::string const& str);
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#if defined(__GNUC__) && !defined(__clang__)
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#pragma GCC diagnostic push
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// Old versions of GCC do not understand -Wnonnull-compare
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#pragma GCC diagnostic ignored "-Wpragmas"
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// Streaming a function pointer triggers Waddress and Wnonnull-compare
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// on GCC, because it implicitly converts it to bool and then decides
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// that the check it uses (a? true : false) is tautological and cannot
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// be null...
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#pragma GCC diagnostic ignored "-Waddress"
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#pragma GCC diagnostic ignored "-Wnonnull-compare"
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#endif
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template<typename T>
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auto operator << ( T const& value ) -> ReusableStringStream& {
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*m_oss << value;
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return *this;
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}
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#if defined(__GNUC__) && !defined(__clang__)
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#pragma GCC diagnostic pop
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#endif
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auto get() -> std::ostream& { return *m_oss; }
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};
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}
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#endif // CATCH_STREAM_HPP_INCLUDED
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