import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

This commit is contained in:
Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
150858 changed files with 23884658 additions and 0 deletions

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<!DOCTYPE html>
<html>
<head>
<!-- This behaviour is not explicitly spelled out in the spec.
It does say "queue tasks" under the "if the synchronous flag is unset" header in point 10 of the "send" algorithm.. -->
<link rel="help" href="https://xhr.spec.whatwg.org/#the-send()-method" data-tested-assertations="following-sibling::ol/li[10]/dl/dd/dl/dd[2]/p[3]" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<title>XMLHttpRequest: sync requests should block events on pending async requests</title>
</head>
<body>
<div id="log"></div>
<script type="text/javascript">
var test = async_test();
var expect = ['sync 4', 'async 2', 'async 3', 'async 4']
var actual = []
test.step(function()
{
var xhr_async = new XMLHttpRequest()
xhr_async.open('GET', 'resources/delay.py?ms=1000', true) // first launch an async request, completes in 1 second
xhr_async.onreadystatechange = function()
{
test.step(function()
{
actual.push('async ' + xhr_async.readyState)
if(xhr_async.readyState === 4 && actual.indexOf('sync 4')>-1){
VerifyResult()
}
});
};
xhr_async.send()
setTimeout(function(){
var xhr_sync = new XMLHttpRequest();
xhr_sync.open('GET', 'resources/delay.py?ms=2000', false) // here's a sync request that will take 2 seconds to finish
xhr_sync.onreadystatechange = function()
{
test.step(function()
{
actual.push('sync ' + xhr_sync.readyState)
if(xhr_sync.readyState === 4 && actual.indexOf('async 4')>-1){
VerifyResult()
}
});
};
xhr_sync.send()
}, 10);
function VerifyResult()
{
test.step(function()
{
assert_array_equals(actual, expect);
test.done();
});
};
});
</script>
</body>
</html>