js/xpconnect/tests/unit/test_callFunctionWithAsyncStack.js

   1 function run_test() {
   2   if (!Services.prefs.getBoolPref("javascript.options.asyncstack")) {
   3     info("Async stacks are disabled.");
   4     return;
   5   }
   6
   7   function getAsyncStack() {
   8     return Components.stack;
   9   }
  10
  11   // asyncCause may contain non-ASCII characters.
  12   let testAsyncCause = "Tes" + String.fromCharCode(355) + "String";
  13
  14   Cu.callFunctionWithAsyncStack(function asyncCallback() {
  15     let stack = Components.stack;
  16
  17     Assert.equal(stack.name, "asyncCallback");
  18     Assert.equal(stack.caller, null);
  19     Assert.equal(stack.asyncCause, null);
  20
  21     Assert.equal(stack.asyncCaller.name, "getAsyncStack");
  22     Assert.equal(stack.asyncCaller.asyncCause, testAsyncCause);
  23     Assert.equal(stack.asyncCaller.asyncCaller, null);
  24
  25     Assert.equal(stack.asyncCaller.caller.name, "run_test");
  26     Assert.equal(stack.asyncCaller.caller.asyncCause, null);
  27   }, getAsyncStack(), testAsyncCause);
  28 }