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Test Info:

<!doctype html>
<html>
<head>
<title>FileReader States</title>
<link rel=author title="Lenient" href="mailto:lenient315@gmail.com">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id="log"></div>
<script>
test(function() {
assert_true("FileReader" in window, "window should have a FileReader property.");
}, "FileReader interface object");
test(function(){
var fileReader = new FileReader();
assert_true(fileReader instanceof FileReader);
}, "no-argument FileReader constructor");
var t_abort = async_test("FileReader States -- abort");
t_abort.step(function(){
var fileReader = new FileReader();
assert_equals(fileReader.readyState, 0);
assert_equals(fileReader.readyState, FileReader.EMPTY);
var blob = new Blob();
fileReader.readAsArrayBuffer(blob);
assert_equals(fileReader.readyState, 1);
assert_equals(fileReader.readyState, FileReader.LOADING);
fileReader.onabort = this.step_func(function(e) {
assert_equals(fileReader.readyState, 2);
assert_equals(fileReader.readyState, FileReader.DONE);
t_abort.done();
});
fileReader.abort();
fileReader.onabort = this.unreached_func("abort event should fire sync")
});
var t_event = async_test("FileReader States -- events");
t_event.step(function(){
var fileReader = new FileReader();
var blob = new Blob();
fileReader.readAsArrayBuffer(blob);
fileReader.onloadstart = this.step_func(function(e) {
assert_equals(fileReader.readyState, 1);
assert_equals(fileReader.readyState, FileReader.LOADING);
});
fileReader.onprogress = this.step_func(function(e) {
assert_equals(fileReader.readyState, 1);
assert_equals(fileReader.readyState, FileReader.LOADING);
});
fileReader.onloadend = this.step_func(function(e) {
assert_equals(fileReader.readyState, 2);
assert_equals(fileReader.readyState, FileReader.DONE);
t_event.done();
});
});
</script>
</body>
</html>