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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /html/semantics/embedded-content/media-elements/loading-the-media-resource/load-events-networkState.html - WPT Dashboard Interop Dashboard
<!doctype html>
<title>load() fires abort/emptied events when networkState is not NETWORK_EMPTY</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/media.js"></script>
<div id=log></div>
<script>
// Load media resource
function load_test(t, v) {
assert_not_equals(v.networkState, v.NETWORK_EMPTY);
var expected_events = [];
if (v.networkState == v.NETWORK_LOADING || v.networkState == v.NETWORK_IDLE) {
expected_events.push('abort');
}
if (v.networkState != v.NETWORK_EMPTY) {
expected_events.push('emptied');
}
if (v.currentTime != 0.0) {
expected_events.push('timeupdate');
}
var actual_events = [];
v.onabort = v.onemptied = v.ontimeupdate = t.step_func(function(e) {
actual_events.push(e.type);
});
v.onloadstart = t.step_func(function() {
assert_array_equals(actual_events, expected_events);
t.done();
});
v.load();
assert_array_equals(actual_events, [], 'events should be fired in queued tasks');
}
async_test(function(t) {
var v = document.createElement('video');
// suspend is fired optionally "if the user agent intends to not attempt to
// fetch the resource" or "once the entire media resource has been fetched"
v.preload = 'none';
v.src = getAudioURI('/media/sound_5');
v.onerror = t.unreached_func();
v.onsuspend = t.step_func(function() {
v.onsuspend = null;
assert_equals(v.networkState, v.NETWORK_IDLE);
load_test(t, v);
});
}, 'NETWORK_IDLE');
// Test if media element receives `emptied` before `timeupdate`
async_test(function(t) {
var v = document.createElement('video');
v.src = getAudioURI('/media/sound_5');
v.onerror = t.unreached_func();
v.onloadeddata = t.step_func(function() {
v.onloadeddata = null;
assert_not_equals(v.networkState, v.NETWORK_EMPTY);
// Modify current time to ensure that loading would trigger `timeupdate` by
// resetting the current time.
v.currentTime = 1.0;
load_test(t, v);
});
}, 'NETWORK_DISPATCH_EMPTIED_BEFORE_TIMEUPDATE');
async_test(function(t) {
var v = document.createElement('video');
v.src = 'resources/delayed-broken-video.py';
v.onerror = t.unreached_func();
v.onloadstart = t.step_func(function() {
v.onloadstart = null;
assert_equals(v.networkState, v.NETWORK_LOADING);
load_test(t, v);
});
}, 'NETWORK_LOADING');
async_test(function(t) {
var v = document.createElement('video');
v.src = 'data:,';
v.onerror = t.step_func(function() {
v.onerror = null;
assert_equals(v.networkState, v.NETWORK_NO_SOURCE);
load_test(t, v);
});
assert_equals(v.networkState, v.NETWORK_NO_SOURCE);
}, 'NETWORK_NO_SOURCE');
</script>