<!doctype html>
<title>Fragment Navigation: fragment id should be percent-decoded</title>
<meta name=timeout content=long>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<div></div>
<div id="has two spaces" style="position:absolute; top:100px;"></div>
<div id="escape%20collision" style="position:absolute; top:200px;"></div>
<div id="%20has%20two%20spaces" style="position:absolute; top:300px;"></div>
<div id="escape collision" style="position:absolute; top:400px;"></div>
<div id="do%20not%20go%20here" style="position:absolute; top:400px;"></div>
<div style="height:200em;"></div>
<script>
var steps = [{
    fragid:'has%20two%20spaces',
      handler: function(){
        assert_equals( document.scrollingElement.scrollTop, 100 );
      }
    },{
      fragid:'escape%20collision',
      handler: function(){
        assert_equals( document.scrollingElement.scrollTop, 200 );
        document.getElementById("%20has%20two%20spaces").setAttribute("id", "has%20two%20spaces");
      }
    },{
      fragid:'has%20two%20spaces',
      handler: function(){
        assert_equals( document.scrollingElement.scrollTop, 300 );
      }
    },{
      fragid:'do%20not%20go%20here',
      handler: function(){
        // don't move
        assert_equals( document.scrollingElement.scrollTop, 400 );
      }
    }];

function runNextStep(){
    if( steps.length > 0 ) {
      var step = steps.shift();
      var listener = t.step_func( function(){
        step.handler();
        runNextStep();
      });
      scrollToFragmentThenDo( step.fragid, listener );
    } else {
      t.done();
    }
}

function scrollToFragmentThenDo( fragid, then ){
  location.hash = fragid;
  setTimeout( then, 1 );
}

var t = async_test();
t.step( function(){
  assert_equals(location.hash, "", "Page must be loaded with no hash");
  runNextStep();
})
</script>
