The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/netwerk/test/unit/test_compressappend.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,80 @@
     1.4 +//
     1.5 +// Test that data can be appended to a cache entry even when the data is 
     1.6 +// compressed by the cache compression feature - bug 648429.
     1.7 +//
     1.8 +
     1.9 +function write_and_check(str, data, len)
    1.10 +{
    1.11 +  var written = str.write(data, len);
    1.12 +  if (written != len) {
    1.13 +    do_throw("str.write has not written all data!\n" +
    1.14 +             "  Expected: " + len  + "\n" +
    1.15 +             "  Actual: " + written + "\n");
    1.16 +  }
    1.17 +}
    1.18 +
    1.19 +function TestAppend(compress, callback)
    1.20 +{
    1.21 +  this._compress = compress;
    1.22 +  this._callback = callback;
    1.23 +  this.run();
    1.24 +}
    1.25 +
    1.26 +TestAppend.prototype = {
    1.27 +  _compress: false,
    1.28 +  _callback: null,
    1.29 +
    1.30 +  run: function() {
    1.31 +    evict_cache_entries();
    1.32 +    asyncOpenCacheEntry("http://data/",
    1.33 +                        "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
    1.34 +                        this.writeData.bind(this));
    1.35 +  },
    1.36 +
    1.37 +  writeData: function(status, entry) {
    1.38 +    do_check_eq(status, Cr.NS_OK);
    1.39 +    if (this._compress)
    1.40 +      entry.setMetaDataElement("uncompressed-len", "0");
    1.41 +    var os = entry.openOutputStream(0);
    1.42 +    write_and_check(os, "12345", 5);
    1.43 +    os.close();
    1.44 +    entry.close();
    1.45 +    asyncOpenCacheEntry("http://data/",
    1.46 +                        "disk", Ci.nsICacheStorage.OPEN_NORMALLY, null,
    1.47 +                        this.appendData.bind(this));
    1.48 +  },
    1.49 +
    1.50 +  appendData: function(status, entry) {
    1.51 +    do_check_eq(status, Cr.NS_OK);
    1.52 +    var os = entry.openOutputStream(entry.storageDataSize);
    1.53 +    write_and_check(os, "abcde", 5);
    1.54 +    os.close();
    1.55 +    entry.close();
    1.56 +
    1.57 +    asyncOpenCacheEntry("http://data/",
    1.58 +                        "disk", Ci.nsICacheStorage.OPEN_READONLY, null,
    1.59 +                        this.checkData.bind(this));
    1.60 +  },
    1.61 +
    1.62 +  checkData: function(status, entry) {
    1.63 +    do_check_eq(status, Cr.NS_OK);
    1.64 +    var self = this;
    1.65 +    pumpReadStream(entry.openInputStream(0), function(str) {
    1.66 +      do_check_eq(str.length, 10);
    1.67 +      do_check_eq(str, "12345abcde");
    1.68 +      entry.close();
    1.69 +
    1.70 +      do_execute_soon(self._callback);
    1.71 +    });
    1.72 +  }
    1.73 +};
    1.74 +
    1.75 +function run_test() {
    1.76 +  do_get_profile();
    1.77 +  new TestAppend(false, run_test2);
    1.78 +  do_test_pending();
    1.79 +}
    1.80 +
    1.81 +function run_test2() {
    1.82 +  new TestAppend(true, do_test_finished);
    1.83 +}