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//
// Test that data can be appended to a cache entry even when the data is
// compressed by the cache compression feature - bug 648429.
//
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 TestAppend(compress, callback)
{
this._compress = compress;
this._callback = callback;
this.run();
}
TestAppend.prototype = {
_compress: false,
_callback: null,
run: function() {
evict_cache_entries();
asyncOpenCacheEntry("http://data/",
"disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
this.writeData.bind(this));
},
writeData: function(status, entry) {
do_check_eq(status, Cr.NS_OK);
if (this._compress)
entry.setMetaDataElement("uncompressed-len", "0");
var os = entry.openOutputStream(0);
write_and_check(os, "12345", 5);
os.close();
entry.close();
asyncOpenCacheEntry("http://data/",
"disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
this.appendData.bind(this));
},
appendData: function(status, entry) {
do_check_eq(status, Cr.NS_OK);
var os = entry.openOutputStream(entry.storageDataSize);
write_and_check(os, "abcde", 5);
os.close();
entry.close();
asyncOpenCacheEntry("http://data/",
"disk", Ci.nsICacheStorage.OPEN_READONLY, null,
this.checkData.bind(this));
},
checkData: function(status, entry) {
do_check_eq(status, Cr.NS_OK);
var self = this;
pumpReadStream(entry.openInputStream(0), function(str) {
do_check_eq(str.length, 10);
do_check_eq(str, "12345abcde");
entry.close();
do_execute_soon(self._callback);
});
}
};
function run_test() {
do_get_profile();
new TestAppend(false, run_test2);
do_test_pending();
}
function run_test2() {
new TestAppend(true, do_test_finished);
}
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