1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>FileAPI Test: filereader_abort</title>
<link rel="author" title="Intel" href="http://www.intel.com">
<link rel="help" href="http://dev.w3.org/2006/webapi/FileAPI/#abort">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id="log"></div>
<script>
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");
</script>
</body>
</html>
|
