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// META: title=FileAPI Test: filereader_abort
test(function() {
var readerNoRead = new FileReader();
readerNoRead.abort();
assert_equals(readerNoRead.readyState, readerNoRead.EMPTY);
assert_equals(readerNoRead.result, null);
}, "Aborting before read");
promise_test(t => {
var blob = new Blob(["TEST THE ABORT METHOD"]);
var readerAbort = new FileReader();
var eventWatcher = new EventWatcher(t, readerAbort,
['abort', 'loadstart', 'loadend', 'error', 'load']);
// EventWatcher doesn't let us inspect the state after the abort event,
// so add an extra event handler for that.
readerAbort.addEventListener('abort', t.step_func(e => {
assert_equals(readerAbort.readyState, readerAbort.DONE);
}));
readerAbort.readAsText(blob);
return eventWatcher.wait_for('loadstart')
.then(() => {
assert_equals(readerAbort.readyState, readerAbort.LOADING);
// 'abort' and 'loadend' events are dispatched synchronously, so
// call wait_for before calling abort.
var nextEvent = eventWatcher.wait_for(['abort', 'loadend']);
readerAbort.abort();
return nextEvent;
})
.then(() => {
// https://www.w3.org/Bugs/Public/show_bug.cgi?id=24401
assert_equals(readerAbort.result, null);
assert_equals(readerAbort.readyState, readerAbort.DONE);
});
}, "Aborting after read");
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