function fromCache(xhr)
{ var ch = SpecialPowers.wrap(xhr).channel.QueryInterface(SpecialPowers.Ci.nsICacheInfoChannel);
return ch.isFromCache();
}
var tests = [
// First just init the file with an ETag
{
init(xhr)
{
xhr.open("GET", path + "bug475156.sjs?etag=a1");
},
loading(xhr)
{
},
done(xhr)
{
},
},
// Try to load the file the first time regularly, we have to get 200 OK
{
init(xhr)
{
xhr.open("GET", path + "bug475156.sjs");
},
loading(xhr)
{
is(fromCache(xhr), false, "Not coming from the cache");
},
done(xhr)
{
is(xhr.status, 200, "We get a fresh version of the file");
is(xhr.getResponseHeader("Etag"), "a1", "We got correct ETag");
is(xhr.responseText, "a1", "We got the expected file body");
},
},
// Try to load the file the second time regularly, we have to get 304 Not Modified
{
init(xhr)
{
xhr.open("GET", path + "bug475156.sjs");
xhr.setRequestHeader("If-Match", "a1");
},
loading(xhr)
{
is(fromCache(xhr), true, "Coming from the cache");
},
// Try to load the file the third time regularly, we have to get 304 Not Modified
{
init(xhr)
{
xhr.open("GET", path + "bug475156.sjs");
xhr.setRequestHeader("If-Match", "a1");
},
loading(xhr)
{
is(fromCache(xhr), true, "Coming from the cache");
},
// Now modify the ETag
{
init(xhr)
{
xhr.open("GET", path + "bug475156.sjs?etag=a2");
},
loading(xhr)
{
},
done(xhr)
{
},
},
// Try to load the file, we have to get 200 OK with the new content
{
init(xhr)
{
xhr.open("GET", path + "bug475156.sjs");
xhr.setRequestHeader("If-Match", "a2");
},
loading(xhr)
{
is(fromCache(xhr), false, "Not coming from the cache");
},
done(xhr)
{
is(xhr.status, 200, "We get a fresh version of the file");
is(xhr.getResponseHeader("Etag"), "a2", "We got correct ETag");
is(xhr.responseText, "a2", "We got the expected file body");
},
},
// Try to load the file the second time regularly, we have to get 304 Not Modified
{
init(xhr)
{
xhr.open("GET", path + "bug475156.sjs");
xhr.setRequestHeader("If-Match", "a2");
},
loading(xhr)
{
is(fromCache(xhr), true, "Coming from the cache");
},
// Try to load the file the third time regularly, we have to get 304 Not Modified
{
init(xhr)
{
xhr.open("GET", path + "bug475156.sjs");
xhr.setRequestHeader("If-Match", "a2");
},
loading(xhr)
{
is(fromCache(xhr), true, "Coming from the cache");
},
// Now modify the ETag ones more
{
init(xhr)
{
xhr.open("GET", path + "bug475156.sjs?etag=a3");
},
loading(xhr)
{
},
done(xhr)
{
},
},
// Try to load the file, we have to get 200 OK with the new content
{
init(xhr)
{
xhr.open("GET", path + "bug475156.sjs");
xhr.setRequestHeader("If-Match", "a3");
},
loading(xhr)
{
is(fromCache(xhr), false, "Not coming from the cache");
},
done(xhr)
{
is(xhr.status, 200, "We get a fresh version of the file");
is(xhr.getResponseHeader("Etag"), "a3", "We got correct ETag");
is(xhr.responseText, "a3", "We got the expected file body");
},
},
// Try to load the file the second time regularly, we have to get 304 Not Modified
{
init(xhr)
{
xhr.open("GET", path + "bug475156.sjs");
xhr.setRequestHeader("If-Match", "a3");
},
loading(xhr)
{
is(fromCache(xhr), true, "Coming from the cache");
},
// Try to load the file the third time regularly, we have to get 304 Not Modified
{
init(xhr)
{
xhr.open("GET", path + "bug475156.sjs");
xhr.setRequestHeader("If-Match", "a3");
},
loading(xhr)
{
is(fromCache(xhr), true, "Coming from the cache");
},
// Load one last time to reset the state variable in the .sjs file
{
init (xhr) {
xhr.open("GET", path + "bug475156.sjs");
xhr.setRequestHeader("If-Match", "a1");
},
loading (xhr) {
},
done (xhr) {
},
},
]
function drive(test)
{
SpecialPowers.pushPrefEnv({set: [["network.http.rcwn.enabled", false]]}, _=>{ var xhr = new XMLHttpRequest();
test.init(xhr);
xhr.onreadystatechange = function() {
if (this.readyState == 3) {
test.loading(this);
}
if (this.readyState == 4) {
test.done(this);
if (!tests.length)
SimpleTest.finish();
else
drive(tests.shift());
}
}
xhr.send();
});
}
</script>
</body>
</html>
Messung V0.5
¤ Dauer der Verarbeitung: 0.23 Sekunden
(vorverarbeitet)
¤
Die Informationen auf dieser Webseite wurden
nach bestem Wissen sorgfältig zusammengestellt. Es wird jedoch weder Vollständigkeit, noch Richtigkeit,
noch Qualität der bereit gestellten Informationen zugesichert.
Bemerkung:
Die farbliche Syntaxdarstellung und die Messung sind noch experimentell.