products/sources/formale Sprachen/C/Firefox/dom/base/test/test_bug503481.html
<!
DOCTYPE HTML >
<
html >
<!--https://bugzilla.mozilla.org/show_bug.cgi?id=503481
<
head >
<
title >Test for Bug 503481</
title >
<
script src=
"/tests/SimpleTest/SimpleTest.js" ></
script >
<
link rel=
"stylesheet" type=
"text/css" href=
"/tests/SimpleTest/test.css" />
</
head >
<
body onload=
"done();" >
<a href=
"https://bugzilla.mozilla.org/show_bug.cgi?id=503481 "
target=
"_blank" >Mozilla Bug 503481</a>
<p id=
"display" ></p>
<
script >
SimpleTest.waitForExplicitFinish();
function done() {
is(firstRan, true,
"first has run" );
is(secondRan, true,
"second has run" );
is(thirdRan, true,
"third has run" );
SimpleTest.finish();
}
var reqs = [];
function unblock(s) {
xhr = new XMLHttpRequest();
xhr.open(
"GET" ,
"file_bug503481.sjs?unblock=" + s);
xhr.send();
reqs.push(xhr);
}
var firstRan = false, secondRan = false, thirdRan = false;
function runFirst() { firstRan = true; }
function runSecond() {
is(thirdRan, true,
"should have run third already" );
secondRan = true;
}
function runThird() {
is(secondRan, false,
"shouldn't have unblocked second yet" );
thirdRan = true;
unblock(
"B" );
}
</
script >
<
script id=firstScript async src=
"file_bug503481.sjs?blockOn=A&body=runFirst();" ></
script >
<
script id=firstScriptHelper>
is(document.getElementById(
"firstScript" ).async, true,
"async set" );
is(document.getElementById(
"firstScriptHelper" ).async, false,
"async not set" );
document.getElementById(
"firstScript" ).async = false;
is(document.getElementById(
"firstScript" ).async, false,
"async no longer set" );
is(document.getElementById(
"firstScript" ).hasAttribute(
"async" ), false,
"async attribute no longer set" );
is(firstRan, false,
"First async script shouldn't have run" );
unblock(
"A" );
</
script >
<
script async src=
"file_bug503481.sjs?blockOn=B&body=runSecond();" ></
script >
<
script async src=
"file_bug503481.sjs?blockOn=C&body=runThird();" ></
script >
<
script >
is(secondRan, false,
"Second async script shouldn't have run" );
is(thirdRan, false,
"Third async script shouldn't have run" );
unblock(
"C" );
</
script >
</
body >
</
html >
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