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Async Clipboard write blobs -> read blobs tests
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async function loadBlob(fileName) {
const fetched = await fetch(fileName);
return await fetched.blob();
promise_test(async t => {
const blobText = new Blob(['test text'], {type: 'text/plain'});
const blobImage = await loadBlob('resources/greenbox.png');
assert_equals(blobText.type, 'text/plain');
assert_equals(blobImage.type, 'image/png');
const clipboardItemInput = new ClipboardItem(
{'text/plain' : blobText, 'image/png' : blobImage});
await navigator.clipboard.write([clipboardItemInput]);
const clipboardItems = await;
assert_equals(clipboardItems.length, 1);
const clipboardItem = clipboardItems[0];
assert_true(clipboardItem instanceof ClipboardItem);
assert_equals(clipboardItem.types.length, 2);
const blobTextOutput = await clipboardItem.getType('text/plain');
const blobImageOutput = await clipboardItem.getType('image/png');
assert_equals(blobTextOutput.type, 'text/plain');
assert_equals(blobImageOutput.type, 'image/png');
}, 'Verify write and read clipboard (multiple types)');
Note: This is a manual test because it writes/reads to the shared system
clipboard and thus cannot be run async with other tests that might interact
with the clipboard.