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<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="../resources/test-helper.js"></script>
<head>
<title>Drag and drop to iframe: dropping block element onto canvas</title>
<style type="text/css">
div
{width:20px;
height:20px;
background-color:green;}
iframe
{width:200px;
height:200px;
border-style:none;}
</style>
<script type="application/ecmascript">
function start(event)
{event.dataTransfer.effectAllowed = 'copy';
event.dataTransfer.setData('text/plain', 'green');}
</script>
</head>
<body>
<div draggable="true" ondragstart="start(event)"/>
<p>Drag green box above to the gray canvas below. Canvas should turn green when you drop green box on it.</p>
<p><iframe src="helper-drop-here-canvas.xhtml">Canvas</iframe></p>
<script>
async function test(){
await new Promise(loaded => window.addEventListener("load", loaded));
const iframe = document.querySelector('iframe');
const innerDoc = iframe.contentDocument || iframe.contentWindow.document;
const div = document.querySelector('div');
const canvas = innerDoc.querySelector('canvas');
function onDropCallBack(event) {
let style = window.getComputedStyle(canvas);
let currentColor = "rgba(0, 0, 0, 0)";
assert_equals(style.getPropertyValue("background-color"), currentColor);
return true;
}
dragDropTest(div, canvas, onDropCallBack, 'Dragging the div to the bottom iframe should turn it green', iframe);
}
test();
</script>
</body>
</html>
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