1 files changed, 59 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/editing/dnd/datastore/018.xhtml b/testing/web-platform/tests/html/editing/dnd/datastore/018.xhtml
new file mode 100644
index 0000000000..f68d722a99
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+++ b/testing/web-platform/tests/html/editing/dnd/datastore/018.xhtml
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8"?>
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<title>dataTransfer.clearData during text input selection drag and drop</title>
+<style type="text/css">
+div
+  {min-height:100px;
+  width:100px;
+  padding:20px;
+  color:white;
+  background-color:navy;}
+</style>
+<script type="application/ecmascript">
+<![CDATA[
+var dataTypes = ['text/plain', 'text/uri-list', 'application/xml', 'application/xhtml+xml', 'application/mathml+xml', 'image/svg+xml', 'text/html', 'text/x-example'],
+data = ['FAIL', 'data:text/plain,FAIL', '<result>FAIL</result>', '<html xmlns="http://www.w3.org/1999/xhtml"><head><title>Data store item</title></head><body><p>FAIL</p></body></html>', '<math xmlns="http://www.w3.org/1998/Math/MathML"><mn>1</mn></math>', '<svg xmlns="http://www.w3.org/2000/svg" version="1.1" width="100px" height="50px" viewBox="0 0 100 50"><text x="0" y="40" font-size="40" fill="green">FAIL</text></svg>', '<!DOCTYPE html><html><head><title>Data store item</title></head><body><p>FAIL</p></body></html>', 'FAIL'],
+l = 0;
+function start(event)
+  {event.dataTransfer.effectAllowed = 'copy';
+  l = event.dataTransfer.items.length;
+  for(var i = 0; i != dataTypes.length; i++)
+    {event.dataTransfer.setData(dataTypes[i], data[i]);}
+  for(var i = 0; i != dataTypes.length; i++)
+    {event.dataTransfer.clearData(dataTypes[i]);}
+  say('items.length (dragstart) : ' + ((event.dataTransfer.items.length < l)?'PASS':'FAIL'));}
+function dragElement(event)
+  {for(var i = 0; i != dataTypes.length; i++)
+    {event.dataTransfer.setData(dataTypes[i], 'FAIL');
+    if(event.dataTransfer.getData(dataTypes[i]))
+      {say('getData(' + dataTypes[i] + ') : FAIL (data store should not be readable during drag)')}
+    }
+  if(event.dataTransfer.items.length > l)
+    {say('items.length (dragover) : FAIL' + event.dataTransfer.items.length)}
+  }
+function enterElement(event)
+  {event.preventDefault();
+  for(var i = 0; i != dataTypes.length; i++)
+    {event.dataTransfer.setData(dataTypes[i], 'FAIL');
+    if(event.dataTransfer.getData(dataTypes[i]))
+      {say('getData(' + dataTypes[i] + ') : FAIL (data store should not be readable during dragenter)')}
+    }
+  say('items.length (dragenter) : ' + ((event.dataTransfer.items.length < l)?'PASS':'FAIL'));}
+function dataDrop(event)
+  {say('items.length (drop) : ' + ((event.dataTransfer.items.length < l)?'PASS':'FAIL'));
+  for(var i = 0; i != dataTypes.length; i++)
+    {say('getData(' + dataTypes[i] + ') : ' + ((event.dataTransfer.getData(dataTypes[i]) == '')?'PASS':'FAIL'));}
+  document.querySelector('div').setAttribute('style','background-color:green');}
+function say(it)
+  {document.querySelector('pre').appendChild(document.createTextNode(it + '\n'));}
+]]>
+</script>
+</head>
+<body onload="document.querySelector('input').select()">
+<p><input value="Drag me" ondragstart="start(event)" ondrag="dragElement(event)"/></p>
+<p>Drag selection above to the navy box below and drop it. Navy box should turn green and test results should appear below.</p>
+<div ondragenter="enterElement(event)" ondragover="return false;" ondrop="dataDrop(event)"/>
+<pre/>
+</body>
+</html>