// Copyright (c) 2017-2022 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/

#include "test.hpp"
#include "verify_meta.hpp"
#include "verify_rule.hpp"

namespace TAO_PEGTL_NAMESPACE
{
   namespace test1
   {
      struct action_a
      {
         static void apply0( int& r, int& s )
         {
            TAO_PEGTL_TEST_ASSERT( !r );
            TAO_PEGTL_TEST_ASSERT( !s );
            r += 1;
         }
      };

      struct action_b
      {
         static bool apply0( int& r, int& s )
         {
            TAO_PEGTL_TEST_ASSERT( !s );
            TAO_PEGTL_TEST_ASSERT( r == 1 );
            s += 2;
            return true;
         }
      };

      struct action2_a
      {
         static void apply0( bool& state_b )
         {
            TAO_PEGTL_TEST_ASSERT( !state_b );
         }
      };

      struct action2_b
      {
         static bool apply0( bool& state_b )
         {
            TAO_PEGTL_TEST_ASSERT( !state_b );
            state_b = true;
            return false;
         }
      };

      struct action2_c
      {
         // LCOV_EXCL_START
         static void apply0( bool& /*unused*/ )
         {
            TAO_PEGTL_TEST_ASSERT( false );
         }
         // LCOV_EXCL_STOP
      };

   }  // namespace test1

   void unit_test()
   {
      int state_r = 0;
      int state_s = 0;
      TAO_PEGTL_TEST_ASSERT( parse< apply0< test1::action_a, test1::action_b > >( memory_input( "", __FUNCTION__ ), state_r, state_s ) );
      TAO_PEGTL_TEST_ASSERT( state_r == 1 );
      TAO_PEGTL_TEST_ASSERT( state_s == 2 );
      TAO_PEGTL_TEST_ASSERT( parse< disable< apply< test1::action_a, test1::action_b > > >( memory_input( "", __FUNCTION__ ), state_r, state_s ) );
      TAO_PEGTL_TEST_ASSERT( state_r == 1 );
      TAO_PEGTL_TEST_ASSERT( state_s == 2 );

      bool state_b = false;
      TAO_PEGTL_TEST_ASSERT( !parse< apply0< test1::action2_a, test1::action2_b, test1::action2_c > >( memory_input( "", __FUNCTION__ ), state_b ) );
      TAO_PEGTL_TEST_ASSERT( state_b );

      verify_meta< apply0< test1::action_a, test1::action_b >, internal::apply0< test1::action_a, test1::action_b > >();

      verify_analyze< apply0<> >( __LINE__, __FILE__, false, false );

      verify_rule< apply0<> >( __LINE__, __FILE__, "", result_type::success, 0 );

      for( char i = 1; i < 127; ++i ) {
         char t[] = { i, 0 };
         verify_rule< apply0<> >( __LINE__, __FILE__, std::string( t ), result_type::success, 1 );
      }
   }

}  // namespace TAO_PEGTL_NAMESPACE

#include "main.hpp"