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function gen_1MiB()
{
var i;
var data="x";
for (i=0 ; i < 20 ; i++)
data+=data;
return data;
}
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_datafile(status, entry)
{
do_check_eq(status, Cr.NS_OK);
var os = entry.openOutputStream(0);
var data = gen_1MiB();
write_and_check(os, data, data.length);
os.close();
entry.close();
// try to open the entry for appending
asyncOpenCacheEntry("http://data/",
"disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
open_for_readwrite);
}
function open_for_readwrite(status, entry)
{
do_check_eq(status, Cr.NS_OK);
var os = entry.openOutputStream(entry.dataSize);
// Opening the entry for appending data calls nsDiskCacheStreamIO::Seek()
// which initializes mFD. If no data is written then mBufDirty is false and
// mFD won't be closed in nsDiskCacheStreamIO::Flush().
os.close();
entry.close();
do_test_finished();
}
function run_test() {
do_get_profile();
// clear the cache
evict_cache_entries();
asyncOpenCacheEntry("http://data/",
"disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
write_datafile);
do_test_pending();
}
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