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

98 строки
2.2 KiB
JavaScript

/**
* Test for nsICacheStorage.asyncDoomURI().
* It tests dooming
* - an existent inactive entry
* - a non-existent inactive entry
* - an existent active entry
*/
function doom(url, callback)
{
get_cache_service()
.diskCacheStorage(LoadContextInfo.default, false)
.asyncDoomURI(createURI(url), "", {
onCacheEntryDoomed: function(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));
});
}
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)
{
do_check_eq(status, Cr.NS_OK);
doom("http://nonexistententry/", check_doom2);
}
function check_doom2(status)
{
do_check_eq(status, Cr.NS_ERROR_NOT_AVAILABLE);
asyncOpenCacheEntry("http://testentry/", "disk", Ci.nsICacheStorage.OPEN_TRUNCATE, null, function(status, entry) {
write_entry2(entry, entry.openOutputStream(0));
});
}
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)
{
do_check_eq(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)
{
do_check_eq(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();
}