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<!doctype html>
<title>load() removes queued error event</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<script>
// The loadstart and error event firing tasks are queued in the synchronous
// section of the resource selection algorithm, so no tasks can come between
// them. Calling load() in the loadstart event handler removes the queued error
// event task at very latest opportunity, failing any implementation that fires
// the events in the same task.
async_test(function(t) {
var v = document.createElement('video');
var events = [];
v.onloadstart = v.onerror = t.step_func(function(e) {
events.push(e.type);
if (events.length == 1) {
v.load();
} else if (events.length == 3) {
assert_array_equals(events, ['loadstart', 'loadstart', 'error']);
t.done();
}
});
v.src = '';
}, 'video error event with load()');
async_test(function(t) {
var v = document.createElement('video');
var events = [];
v.onloadstart = v.onerror = v.onsuspend = t.step_func(function(e) {
events.push(e.type);
if (events.length == 1) {
// Wait for a usable resource to check that no 'error' event is pending.
v.src = '/media/sound_0.mp3';
} else if (events.length == 3) {
// 'suspend' is queued "if the user agent intends to not attempt to
// fetch the resource", "when a media element's download has been
// suspended", or "once the entire media resource has been fetched".
assert_array_equals(events, ['loadstart', 'loadstart', 'suspend']);
t.done();
}
});
v.src = '';
}, 'video error event with src resource');
async_test(function(t) {
var v = document.createElement('video');
var s = document.createElement('source');
var events = [];
v.onloadstart = s.onerror = t.step_func(function(e) {
events.push(e.type);
if (events.length == 1) {
v.load();
} else if (events.length == 3) {
assert_array_equals(events, ['loadstart', 'loadstart', 'error']);
t.done();
}
});
v.onerror = t.step_func(function() { assert_unreached(); });
v.appendChild(s);
}, 'source error event');
</script>
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