<html>
<head>
<link rel="stylesheet" href="../../fast/js/resources/js-test-style.css">
<script src="../../fast/js/resources/js-test-pre.js"></script>
<script src="resources/scripted-random.js"></script>
</head>
<body>
<p id="description"></p>
<div id="console"></div>
<script>
    description("This test fuzzes the transform parser with semi-random attribute values and dumps the results of any values that parse successfully.");

    var attributes = { // maps a viewspec attribute to its minimum argument count
        viewBox: 6,
        preserveAspectRatio: 1,
        transform: 1,
        zoomAndPan: 1,
        viewTarget: 1
    };
    
    var preserveAspectRatioValues = [ "Min", "Max", "Mid" ];
    
    var testsToRun = [
      "svgView",
      "svgView(",
      "svgView()",
      "svgView(" + String.fromCharCode(0),
      "svgView(" + String.fromCharCode(0) + ")",
      "svgView(transform(scale(2));;)",
      "svgView(transform(scale(2));x", // used to hang
      "svgView(transform(scale(.5)))",
      "svgView(;transform(scale(.5)))",
      "svgView(;;transform(scale(.5)))",
      "svgView(transform(scale(.5));transform(scale(2));transform(scale(2)))",
      ];
    
    
    var characters = [
        "0",
        "1",
        "2",
        "3",
        "4",
        "5",
        "6",
        "7",
        "8",
        "9",
        ".",
        "e",
        "+",
        "-",
        "e",
        "(",
        ")",
        " ", // not a valid fragment char
        "\t", // not a valid fragment char
        ","
    ];
    
    function buildTestsToRun() {
      for (var attribute in attributes) {

          // Too few / too many arguments
          for (var i = 0; i < 20; i++) { //>
              var attributeString = "svgView(" + attribute + "(";
              for (var j = 0; j < i; j++) { //>
                  attributeString += "0";
                  if (j < i - 1) //>
                      attributeString += ",";
              }
              attributeString += "))";
              testsToRun.push(attributeString);
          }

          // Random assortments of valid characters
          for (var i = 0; i < 100; i++) { //>
              var attributeString = "svgView(" + attribute + "(";
              var count = Math.scriptedRandomInt(20);
              for (var j = 0; j < count; j++) { //>
                  attributeString += characters[Math.scriptedRandomInt(characters.length)];
              }
              testsToRun.push(attributeString);
          }
          
          // attribute names that are "off by one"
          var extraChar = attribute.charAt(attribute.length - 1);
          testsToRun.push("svgView(" + attribute + extraChar + "(0, 0)");
          testsToRun.push("svgView(" + attribute.substring(0, attribute.length - 1) + "(0, 0)");
          
          // Empty-ish attributes
          testsToRun.push("svgView(" + attribute);
          testsToRun.push("svgView(" + attribute + String.fromCharCode(0));
          testsToRun.push("svgView(" + attribute + "(" + String.fromCharCode(0) + ")");
      }
      
    }
    
    function viewSpecToString(viewSpec)
    {
        if (!viewSpec)
          return viewSpec;
        
        var attributes = [];
        if (viewSpec.transform)
          attributes.push("transform(" + viewSpec.transform + ")");
        if (viewSpec.viewBox)
          attributes.push("viewBox(" + viewSpec.viewBox + ")");
        if (viewSpec.preserveAspectRatio)
          attributes.push("preserveAspectRatio(" + viewSpec.preserveAspectRatio + ")");
        if (viewSpec.zoomAndPan)
          attributes.push("zoomAndPan(" + viewSpec.zoomAndPan + ")");
        if (viewSpec.viewTarget)
          attributes.push("viewTarget(" + viewSpac.viewTarget + ")");
          
        return "svgView(" + attributes.join(";") + ")";
    }
    
    var testNumber = 0;
    var testString = "[initial view]"
    
    function makeURLRelative(url) {
      return url.slice(url.indexOf("resources"));
    }

    function testFragment(string) {
      var oldEmbed = document.getElementById("object");
      if (oldEmbed) {
        oldEmbed.parentNode.removeChild(oldEmbed);
      }
      var embedElement = document.createElement("iframe");
      embedElement.setAttribute("id", "object");
      embedElement.setAttribute("width", "100");
      embedElement.setAttribute("height", "100");
      embedElement.setAttribute("onload", "continueFuzzing(event)");
      var newURL = "resources/viewspec-parser.svg#" + string;
      embedElement.src = newURL;
      debug("Starting: " + makeURLRelative(embedElement.src));
      document.body.appendChild(embedElement);
    }

    function startNextTest()
    {
      testFragment(testString);
    }
    
    function continueFuzzing(event)
    {
        var embedElement = document.getElementById("object");
        if (embedElement.contentDocument) {
          debug("Loaded:   " + makeURLRelative(embedElement.contentDocument.URL));
          debug("Parsed: " + viewSpecToString(embedElement.contentDocument.currentView) + " from: " + testString);      
        } else
          debug("no svgdocument");
        
        if (testNumber < testsToRun.length)
          testString = testsToRun[testNumber];
        else {
          var scriptTag = document.createElement("script");
          scriptTag.src = "../../fast/js/resources/js-test-post.js";
          document.body.appendChild(scriptTag);
          if (window.layoutTestController)
            layoutTestController.notifyDone();
          return;
        }
        testNumber++;
        
        // this lets us out of the onload handler so we don't overrun the stack
        window.setTimeout(startNextTest, 0);
    }
    if (window.layoutTestController)
      layoutTestController.waitUntilDone();
    
    buildTestsToRun();
    testFragment("");
    successfullyParsed = true;
</script>
</html>