/*
 *  Created by Phil on 8/8/2017.
 *  Copyright 2017 Two Blue Cubes Ltd. All rights reserved.
 *
 *  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_ASSERTIONHANDLER_H_INCLUDED
#define TWOBLUECUBES_CATCH_ASSERTIONHANDLER_H_INCLUDED

#include "catch_decomposer.h"
#include "catch_assertioninfo.h"

namespace Catch {

    struct TestFailureException{};

    class LazyExpression {
        friend class AssertionHandler;
        friend struct AssertionStats;

        ITransientExpression const* m_transientExpression = nullptr;
        bool m_isNegated;
    public:
        LazyExpression( bool isNegated );
        LazyExpression( LazyExpression const& other );
        LazyExpression& operator = ( LazyExpression const& ) = delete;

        explicit operator bool() const;

        friend auto operator << ( std::ostream& os, LazyExpression const& lazyExpr ) -> std::ostream&;
    };

    class AssertionHandler {
        AssertionInfo m_assertionInfo;
        bool m_shouldDebugBreak = false;
        bool m_shouldThrow = false;
    public:
        AssertionHandler
            (   StringRef macroName,
                SourceLineInfo const& lineInfo,
                StringRef capturedExpression,
                ResultDisposition::Flags resultDisposition );

        void handle( ITransientExpression const& expr );

        template<typename T>
        void handle( ExprLhs<T> const& expr ) {
            handle( expr.makeUnaryExpr() );
        }

        auto shouldDebugBreak() const -> bool;
        void reactWithDebugBreak() const;
        void reactWithoutDebugBreak() const;
        void useActiveException( ResultDisposition::Flags resultDisposition );
        void useActiveException();
    };

} // namespace Catch

#endif // TWOBLUECUBES_CATCH_ASSERTIONHANDLER_H_INCLUDED