The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/netwerk/test/unit/test_bug654926_doom_and_read.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,77 @@
     1.4 +function gen_1MiB()
     1.5 +{
     1.6 +  var i;
     1.7 +  var data="x";
     1.8 +  for (i=0 ; i < 20 ; i++)
     1.9 +    data+=data;
    1.10 +  return data;
    1.11 +}
    1.12 +
    1.13 +function write_and_check(str, data, len)
    1.14 +{
    1.15 +  var written = str.write(data, len);
    1.16 +  if (written != len) {
    1.17 +    do_throw("str.write has not written all data!\n" +
    1.18 +             "  Expected: " + len  + "\n" +
    1.19 +             "  Actual: " + written + "\n");
    1.20 +  }
    1.21 +}
    1.22 +
    1.23 +function make_input_stream_scriptable(input) {
    1.24 +  var wrapper = Cc["@mozilla.org/scriptableinputstream;1"].
    1.25 +                createInstance(Ci.nsIScriptableInputStream);
    1.26 +  wrapper.init(input);
    1.27 +  return wrapper;
    1.28 +}
    1.29 +
    1.30 +function write_datafile(status, entry)
    1.31 +{
    1.32 +  do_check_eq(status, Cr.NS_OK);
    1.33 +  var os = entry.openOutputStream(0);
    1.34 +  var data = gen_1MiB();
    1.35 +
    1.36 +  write_and_check(os, data, data.length);
    1.37 +
    1.38 +  os.close();
    1.39 +  entry.close();
    1.40 +
    1.41 +  // open, doom, append, read
    1.42 +  asyncOpenCacheEntry("http://data/",
    1.43 +                      "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
    1.44 +                      test_read_after_doom);
    1.45 +
    1.46 +}
    1.47 +
    1.48 +function test_read_after_doom(status, entry)
    1.49 +{
    1.50 +  do_check_eq(status, Cr.NS_OK);
    1.51 +  var os = entry.openOutputStream(entry.dataSize);
    1.52 +  var data = gen_1MiB();
    1.53 +
    1.54 +  entry.asyncDoom(null);
    1.55 +  write_and_check(os, data, data.length);
    1.56 +
    1.57 +  os.close();
    1.58 +
    1.59 +  var is = entry.openInputStream(0);
    1.60 +  pumpReadStream(is, function(read) {
    1.61 +    do_check_eq(read.length, 2*1024*1024);
    1.62 +    is.close();
    1.63 +
    1.64 +    entry.close();
    1.65 +    do_test_finished();
    1.66 +  });
    1.67 +}
    1.68 +
    1.69 +function run_test() {
    1.70 +  do_get_profile();
    1.71 +
    1.72 +  // clear the cache
    1.73 +  evict_cache_entries();
    1.74 +
    1.75 +  asyncOpenCacheEntry("http://data/",
    1.76 +                      "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
    1.77 +                      write_datafile);
    1.78 +
    1.79 +  do_test_pending();
    1.80 +}