src/third_party/WebKit/LayoutTests/inspector/sources/debugger/resources/framework.js

   1 // A framework for testing.
   2
   3 var Framework = {};
   4
   5 Framework.safeRun = function(callback, onSuccess, onException, breakOnUncaught)
   6 {
   7     try {
   8         callback();
   9         if (onSuccess)
  10             Framework.safeRun(onSuccess, undefined, onException, breakOnUncaught);
  11     } catch (e) {
  12         if (onException)
  13             Framework.safeRun(onException, undefined, breakOnUncaught ? Framework.breakInFramework : undefined);
  14         else if (breakOnUncaught)
  15             Framework.breakInFramework();
  16     }
  17 }
  18
  19 Framework.throwFrameworkException = function(msg)
  20 {
  21     throw Error("FrameworkException" + (msg ? ": " + msg : ""));
  22 }
  23
  24 Framework.breakInFramework = function()
  25 {
  26     debugger;
  27 }
  28
  29 Framework.empty = function()
  30 {
  31 }
  32
  33 Framework.doSomeWork = function()
  34 {
  35     const numberOfSteps = 50;
  36     for (var i = 0; i < numberOfSteps; ++i) {
  37         if (window["dummy property should not exist!" + i]) // Prevent optimizations.
  38             return i;
  39         Framework.safeRun(Framework.empty, Framework.empty, Framework.empty, true);
  40     }
  41 }
  42
  43 Framework.schedule = function(callback, delay)
  44 {
  45     setTimeout(callback, delay || 0);
  46 }
  47
  48 Framework.willSchedule = function(callback, delay)
  49 {
  50     return function Framework_willSchedule() {
  51         return Framework.schedule(callback, delay);
  52     };
  53 }
  54
  55 Framework.doSomeAsyncChainCalls = function(callback)
  56 {
  57     var func1 = Framework.willSchedule(function Framework_inner1() {
  58         if (callback)
  59             callback();
  60     });
  61     var func2 = Framework.willSchedule(function Framework_inner2() {
  62         if (window.callbackFromFramework)
  63             window.callbackFromFramework(func1);
  64         else
  65             func1();
  66     });
  67     Framework.schedule(func2);
  68 }