This tests accessing DataTransferItemList when dropping a file promise. To manually test, drag and drop LayoutTests/editing/resources/text-pasteboard-data.txt from another app (e.g. Finder) to the box below.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".


PASS dataTransfer.items.length is 1
PASS dataTransfer.items[0].kind is "file"
PASS dataTransfer.items[0].type is "text/plain"
PASS file = dataTransfer.items[0].getAsFile(); file is not null
PASS file.name is "text-pasteboard-data.txt"
PASS reader = new FileReader(); reader.onload = () => checkFileContent(reader.result); reader.readAsText(file); did not throw exception.
PASS "hello, world." is "hello, world."
PASS dataTransfer.items[0].getAsFile() is null
PASS successfullyParsed is true

TEST COMPLETE