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"use strict";
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 make_input_stream_scriptable(input) {
var wrapper = Cc["@mozilla.org/scriptableinputstream;1"].createInstance(
Ci.nsIScriptableInputStream
);
wrapper.init(input);
return wrapper;
}
function write_datafile(status, entry) {
Assert.equal(status, Cr.NS_OK);
var data = gen_1MiB();
var os = entry.openOutputStream(0, data.length);
write_and_check(os, data, data.length);
os.close();
entry.close();
// open, doom, append, read
asyncOpenCacheEntry(
"http://data/",
"disk",
Ci.nsICacheStorage.OPEN_NORMALLY,
null,
test_read_after_doom
);
}
function test_read_after_doom(status, entry) {
Assert.equal(status, Cr.NS_OK);
var data = gen_1MiB();
var os = entry.openOutputStream(entry.dataSize, data.length);
entry.asyncDoom(null);
write_and_check(os, data, data.length);
os.close();
var is = entry.openInputStream(0);
pumpReadStream(is, function(read) {
Assert.equal(read.length, 2 * 1024 * 1024);
is.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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