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<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<p id="description"></p>
<div id="console"></div>
<script>
const dataTransfer = new DataTransfer();
const filename = "1.png";
const filename2 = "2.png";
test(() => {
const file = new File(["🕺💃"], filename, {
type: "image/png"
});
const file2 = new File(["🕺💃"], filename2, {
type: "image/png"
});
dataTransfer.items.add(file);
dataTransfer.items.add(file2);
assert_equals(dataTransfer.items.length, 2);
assert_equals(dataTransfer.types.length, 1);
dataTransfer.setData("text/plain", "hi");
assert_equals(dataTransfer.items.length, 3);
assert_equals(dataTransfer.types.length, 2);
dataTransfer.items.add("hi 2", "text/html");
dataTransfer.items.add("new octet item", "application/octet-stream");
assert_equals(dataTransfer.items.length, 5);
assert_equals(dataTransfer.types.length, 4);
dataTransfer.clearData("text/html");
assert_equals(dataTransfer.items.length, 4);
assert_equals(dataTransfer.types.length, 3);
dataTransfer.clearData();
assert_equals(dataTransfer.items.length, 2);
assert_equals(dataTransfer.files.length, 2);
assert_equals(dataTransfer.types.length, 1);
assert_equals(dataTransfer.types[0], "Files");
assert_equals(dataTransfer.files[0].name, filename);
assert_equals(dataTransfer.files[1].name, filename2);
dataTransfer.items.add("hi", "text/plain");
assert_equals(dataTransfer.items.length, 3);
assert_equals(dataTransfer.files.length, 2);
assert_equals(dataTransfer.types.length, 2);
dataTransfer.items.clear();
assert_equals(dataTransfer.items.length, 0);
assert_equals(dataTransfer.files.length, 0);
assert_equals(dataTransfer.types.length, 0);
}, 'Clear data from dataTransfer');
</script>
</body>
</html>
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