third_party/WebKit/LayoutTests/fast/dom/simultaneouslyRegsiteredTimerFireOrder.html

   1 <p>
   2 This page verifies that timers with equivalent fire times fire in the order they
   3 were registered. If the test passes, you'll see a series of PASS messages below.
   4 </p>
   5
   6 <pre id="pre"></pre>
   7
   8 <script>
   9 function log(s)
  10 {
  11     document.getElementById("pre").appendChild(document.createTextNode(s + "\n"));
  12 }
  13
  14 function shouldBe(a, aDescription, b)
  15 {
  16     if (a === b) {
  17         log("PASS: " + aDescription + " should be " + b + " and is.");
  18     } else {
  19         log("FAIL: " + aDescription + " should be " + b + " but instead is " + a + ".");
  20     }
  21 }
  22
  23 var count = 100;
  24 var firedTimers = [];
  25
  26 function fired(id)
  27 {
  28     firedTimers.push(id);
  29     if (id == count - 1)
  30         done();
  31 }
  32
  33 function done()
  34 {
  35     for (var i = 0; i < count; ++i)
  36         shouldBe(firedTimers[i], "firedTimers[" + i + "]", i);
  37
  38     if (window.testRunner)
  39         testRunner.notifyDone();
  40 }
  41
  42 if (window.testRunner) {
  43     testRunner.dumpAsText();
  44     testRunner.waitUntilDone();
  45 }
  46
  47 for (var i = 0; i < count; ++i)
  48     setTimeout((function() { var j = i; return function() { fired(j); }})(), 0);
  49 </script>