025_json.xml

<?xml version="1.0" encoding="utf-8" ?>
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 * ReoScript - .NET Script Language Engine
 * 
 * https://github.com/unvell/ReoScript
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-->

<test-suite id="025" name="json">

  <test-case id="001" name="parse">
    <script>
      var t = debug.assert;
      
      var src = "{name: 'apple', color: 'red', count: 10}";
      
      // JSON.parse usage:
      //
      //     parse( JSON_literal )
      //     parse( JSON_literal, converter )
      //
      // where converter is:
      //   function(key, value) { return value; }
      // or in lambda:
      //   (key, value) => value
      //
      
      var obj = JSON.parse(src, (key, value) => {
        return value;
      });
      
      testParsedObject(obj);
      
      obj = JSON.parse(src); // converter is null
      
      testParsedObject(obj);
      
      function testParsedObject(obj) {
        t( obj != null );
        t( typeof obj, 'object' );
        t( obj instanceof Object );
        
        t( obj.hasOwnProperty('name'), true );
        t( obj.hasOwnProperty('color'), true );
        t( obj.hasOwnProperty('count'), true );
        
        t( obj.name, 'apple' );
        t( obj.color, 'red' );
        t( obj.count, 10 );
      }
      
    </script>
  </test-case>

  <test-case id="002" name="parse with converter">
    <script>
      var t = debug.assert;
      
      var src = "{name: 'apple', color: 'red', count: 10}";
      
      var obj = JSON.parse(src, (key, value) => {
        if (key == 'color') 
          return null;
        else
          return value;
      });

      t( typeof obj, 'object' );
      t( obj instanceof Object );
        
      t( obj.hasOwnProperty('name'), true );
      t( obj.hasOwnProperty('color'), true );
      t( obj.hasOwnProperty('count'), true );
        
      t( obj.name, 'apple' );
      t( obj.color, null );
      t( obj.count, 10 );
      
    </script>
  </test-case>

  <test-case id="003" name="eval">
    <script>
      var t = debug.assert;
      
      // JavaScript style
      // eval('(' + json + ')');
      
      var obj = eval("( {name:'apple', color:'red', eat: function(){}} )");
      
      t( typeof obj, 'object' );
      t( obj instanceof Object );
      t( obj.name, 'apple' );
      t( obj.color, 'red' );
      
      t( typeof obj.eat, 'function' );
      t( obj.eat(), null );
      
    </script>
  </test-case>

  <test-case id="004" name="stringify">
    <script>
      var t = debug.assert;
      
      var obj = {name:'apple', color:'red', amount: 5};
      
      var str = JSON.stringify(obj);
      t(str, '{name:"apple",color:"red",amount:5}');
      
    </script>
  </test-case>

  <test-case id="005" name="stringify handler">
    <script>
      var t = debug.assert;
      
      var obj = {name:'apple', color:'red', amount: 5};
      
      var str = JSON.stringify(obj, (key, value) => String(value));
      t(str, '{name:"apple",color:"red",amount:"5"}');
      
    </script>
  </test-case>
</test-suite>