tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_doomentry.js (2326B)

      1 /**
      2 * Test for nsICacheStorage.asyncDoomURI().
      3 * It tests dooming
      4 *   - an existent inactive entry
      5 *   - a non-existent inactive entry
      6 *   - an existent active entry
      7 */
      8 
      9 "use strict";
     10 
     11 function doom(url, callback) {
     12  Services.cache2
     13    .diskCacheStorage(Services.loadContextInfo.default)
     14    .asyncDoomURI(createURI(url), "", {
     15      onCacheEntryDoomed(result) {
     16        callback(result);
     17      },
     18    });
     19 }
     20 
     21 function write_and_check(str, data, len) {
     22  var written = str.write(data, len);
     23  if (written != len) {
     24    do_throw(
     25      "str.write has not written all data!\n" +
     26        "  Expected: " +
     27        len +
     28        "\n" +
     29        "  Actual: " +
     30        written +
     31        "\n"
     32    );
     33  }
     34 }
     35 
     36 function write_entry() {
     37  asyncOpenCacheEntry(
     38    "http://testentry/",
     39    "disk",
     40    Ci.nsICacheStorage.OPEN_TRUNCATE,
     41    null,
     42    function (status, entry) {
     43      write_entry_cont(entry, entry.openOutputStream(0, -1));
     44    }
     45  );
     46 }
     47 
     48 function write_entry_cont(entry, ostream) {
     49  var data = "testdata";
     50  write_and_check(ostream, data, data.length);
     51  ostream.close();
     52  doom("http://testentry/", check_doom1);
     53 }
     54 
     55 function check_doom1(status) {
     56  Assert.equal(status, Cr.NS_OK);
     57  doom("http://nonexistententry/", check_doom2);
     58 }
     59 
     60 function check_doom2(status) {
     61  Assert.equal(status, Cr.NS_ERROR_NOT_AVAILABLE);
     62  asyncOpenCacheEntry(
     63    "http://testentry/",
     64    "disk",
     65    Ci.nsICacheStorage.OPEN_TRUNCATE,
     66    null,
     67    function (stat, entry) {
     68      write_entry2(entry, entry.openOutputStream(0, -1));
     69    }
     70  );
     71 }
     72 
     73 var gOstream;
     74 function write_entry2(entry, ostream) {
     75  // write some data and doom the entry while it is active
     76  var data = "testdata";
     77  write_and_check(ostream, data, data.length);
     78  gOstream = ostream;
     79  doom("http://testentry/", check_doom3);
     80 }
     81 
     82 function check_doom3(status) {
     83  Assert.equal(status, Cr.NS_OK);
     84  // entry was doomed but writing should still succeed
     85  var data = "testdata";
     86  write_and_check(gOstream, data, data.length);
     87  gOstream.close();
     88  // dooming the same entry again should fail
     89  doom("http://testentry/", check_doom4);
     90 }
     91 
     92 function check_doom4(status) {
     93  Assert.equal(status, Cr.NS_ERROR_NOT_AVAILABLE);
     94  do_test_finished();
     95 }
     96 
     97 function run_test() {
     98  do_get_profile();
     99 
    100  // clear the cache
    101  evict_cache_entries();
    102  write_entry();
    103  do_test_pending();
    104 }