The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/toolkit/components/url-classifier/tests/unit/test_backoff.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,89 @@
     1.4 +// Some unittests (e.g., paste into JS shell)
     1.5 +var jslib = Cc["@mozilla.org/url-classifier/jslib;1"].
     1.6 +            getService().wrappedJSObject;
     1.7 +var _Datenow = jslib.Date.now;
     1.8 +function setNow(time) {
     1.9 +  jslib.Date.now = function() {
    1.10 +    return time;
    1.11 +  }
    1.12 +}
    1.13 +
    1.14 +function run_test() {
    1.15 +  // 3 errors, 1ms retry period, max 3 requests per ten milliseconds,
    1.16 +  // 5ms backoff interval, 19ms max delay
    1.17 +  var rb = new jslib.RequestBackoff(3, 1, 3, 10, 5, 19);
    1.18 +  setNow(1);
    1.19 +  rb.noteServerResponse(200);
    1.20 +  do_check_true(rb.canMakeRequest());
    1.21 +  setNow(2);
    1.22 +  do_check_true(rb.canMakeRequest());
    1.23 +
    1.24 +  // First error should trigger a 1ms delay
    1.25 +  rb.noteServerResponse(500);
    1.26 +  do_check_false(rb.canMakeRequest());
    1.27 +  do_check_eq(rb.nextRequestTime_, 3);
    1.28 +  setNow(3);
    1.29 +  do_check_true(rb.canMakeRequest());
    1.30 +
    1.31 +  // Second error should also trigger a 1ms delay
    1.32 +  rb.noteServerResponse(500);
    1.33 +  do_check_false(rb.canMakeRequest());
    1.34 +  do_check_eq(rb.nextRequestTime_, 4);
    1.35 +  setNow(4);
    1.36 +  do_check_true(rb.canMakeRequest());
    1.37 +
    1.38 +  // Third error should trigger a 5ms backoff
    1.39 +  rb.noteServerResponse(500);
    1.40 +  do_check_false(rb.canMakeRequest());
    1.41 +  do_check_eq(rb.nextRequestTime_, 9);
    1.42 +  setNow(9);
    1.43 +  do_check_true(rb.canMakeRequest());
    1.44 +
    1.45 +  // Trigger backoff again
    1.46 +  rb.noteServerResponse(503);
    1.47 +  do_check_false(rb.canMakeRequest());
    1.48 +  do_check_eq(rb.nextRequestTime_, 19);
    1.49 +  setNow(19);
    1.50 +  do_check_true(rb.canMakeRequest());
    1.51 +
    1.52 +  // Trigger backoff a third time and hit max timeout
    1.53 +  rb.noteServerResponse(302);
    1.54 +  do_check_false(rb.canMakeRequest());
    1.55 +  do_check_eq(rb.nextRequestTime_, 38);
    1.56 +  setNow(38);
    1.57 +  do_check_true(rb.canMakeRequest());
    1.58 +
    1.59 +  // One more backoff, should still be at the max timeout
    1.60 +  rb.noteServerResponse(400);
    1.61 +  do_check_false(rb.canMakeRequest());
    1.62 +  do_check_eq(rb.nextRequestTime_, 57);
    1.63 +  setNow(57);
    1.64 +  do_check_true(rb.canMakeRequest());
    1.65 +
    1.66 +  // Request goes through
    1.67 +  rb.noteServerResponse(200);
    1.68 +  do_check_true(rb.canMakeRequest());
    1.69 +  do_check_eq(rb.nextRequestTime_, 0);
    1.70 +  setNow(58);
    1.71 +  rb.noteServerResponse(500);
    1.72 +
    1.73 +  // Another error, should trigger a 1ms backoff
    1.74 +  do_check_false(rb.canMakeRequest());
    1.75 +  do_check_eq(rb.nextRequestTime_, 59);
    1.76 +
    1.77 +  setNow(59);
    1.78 +  do_check_true(rb.canMakeRequest());
    1.79 +
    1.80 +  setNow(200);
    1.81 +  rb.noteRequest();
    1.82 +  setNow(201);
    1.83 +  rb.noteRequest();
    1.84 +  setNow(202);
    1.85 +  do_check_true(rb.canMakeRequest());
    1.86 +  rb.noteRequest();
    1.87 +  do_check_false(rb.canMakeRequest());
    1.88 +  setNow(211);
    1.89 +  do_check_true(rb.canMakeRequest());
    1.90 +
    1.91 +  jslib.Date.now = _Datenow;
    1.92 +}