gecko-dev/netwerk/test/unit/test_doomentry.js

109 строки
2.3 KiB
JavaScript

/**
* Test for nsICacheStorage.asyncDoomURI().
* It tests dooming
* - an existent inactive entry
* - a non-existent inactive entry
* - an existent active entry
*/
"use strict";
function doom(url, callback) {
get_cache_service()
.diskCacheStorage(Services.loadContextInfo.default, false)
.asyncDoomURI(createURI(url), "", {
onCacheEntryDoomed(result) {
callback(result);
},
});
}
function write_and_check(str, data, len) {
var written = str.write(data, len);
if (written != len) {
do_throw(
"str.write has not written all data!\n" +
" Expected: " +
len +
"\n" +
" Actual: " +
written +
"\n"
);
}
}
function write_entry() {
asyncOpenCacheEntry(
"http://testentry/",
"disk",
Ci.nsICacheStorage.OPEN_TRUNCATE,
null,
function(status, entry) {
write_entry_cont(entry, entry.openOutputStream(0, -1));
}
);
}
function write_entry_cont(entry, ostream) {
var data = "testdata";
write_and_check(ostream, data, data.length);
ostream.close();
entry.close();
doom("http://testentry/", check_doom1);
}
function check_doom1(status) {
Assert.equal(status, Cr.NS_OK);
doom("http://nonexistententry/", check_doom2);
}
function check_doom2(status) {
Assert.equal(status, Cr.NS_ERROR_NOT_AVAILABLE);
asyncOpenCacheEntry(
"http://testentry/",
"disk",
Ci.nsICacheStorage.OPEN_TRUNCATE,
null,
function(status, entry) {
write_entry2(entry, entry.openOutputStream(0, -1));
}
);
}
var gEntry;
var gOstream;
function write_entry2(entry, ostream) {
// write some data and doom the entry while it is active
var data = "testdata";
write_and_check(ostream, data, data.length);
gEntry = entry;
gOstream = ostream;
doom("http://testentry/", check_doom3);
}
function check_doom3(status) {
Assert.equal(status, Cr.NS_OK);
// entry was doomed but writing should still succeed
var data = "testdata";
write_and_check(gOstream, data, data.length);
gOstream.close();
gEntry.close();
// dooming the same entry again should fail
doom("http://testentry/", check_doom4);
}
function check_doom4(status) {
Assert.equal(status, Cr.NS_ERROR_NOT_AVAILABLE);
do_test_finished();
}
function run_test() {
do_get_profile();
// clear the cache
evict_cache_entries();
write_entry();
do_test_pending();
}