// Copyright (c) 2017-2020 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/json/

#include "test.hpp"

#include <tao/json/value.hpp>

#include <sstream>

namespace tao::json
{
   void unit_test()
   {
      const char* p = "Hello, world!";
      const std::string s = p;
      const std::string_view sv = p;

      TEST_ASSERT( s == p );
      TEST_ASSERT( p == s );
      TEST_ASSERT( s == s );
      TEST_ASSERT( sv == p );
      TEST_ASSERT( sv == s );
      TEST_ASSERT( p == sv );
      TEST_ASSERT( s == sv );
      TEST_ASSERT( sv == sv );

      TEST_ASSERT( sv.find( '!' ) == 12 );
      TEST_ASSERT( sv.find_first_not_of( "elo, wrd", 1 ) == 12 );

      // the default is copying all string_views
      const value vp = p;
      const value vs = s;
      const value vsv = sv;

      TEST_ASSERT( vp.type() == type::STRING );
      TEST_ASSERT( vs.type() == type::STRING );
      TEST_ASSERT( vsv.type() == type::STRING );

      TEST_ASSERT( vp.as< const char* >() == s );
      TEST_ASSERT( vp.as< std::string_view >() == s );
      TEST_ASSERT( vp.as< std::string >() == s );
      TEST_ASSERT( vp.as< const std::string& >() == s );

      TEST_ASSERT( vs.as< const char* >() == s );
      TEST_ASSERT( vs.as< std::string_view >() == s );
      TEST_ASSERT( vs.as< std::string >() == s );
      TEST_ASSERT( vs.as< const std::string& >() == s );

      TEST_ASSERT( vsv.as< const char* >() == s );
      TEST_ASSERT( vsv.as< std::string_view >() == s );
      TEST_ASSERT( vsv.as< std::string >() == s );
      TEST_ASSERT( vsv.as< const std::string& >() == s );

      // storing a string_view is possible
      value v;
      v.set_string_view( sv );

      TEST_ASSERT( v.type() == type::STRING_VIEW );

      TEST_ASSERT( v.as< std::string_view >() == s );
      TEST_ASSERT( v.as< std::string >() == s );

      std::ostringstream oss;
      oss << sv;
      TEST_ASSERT( oss.str() == sv );
   }

}  // namespace tao::json

#include "main.hpp"