third_party/WebKit/LayoutTests/fast/workers/worker-constructor.html

   1 <body>
   2 <p>Test Worker constructor functionality. Should print a series of PASS messages, followed with DONE.</p>
   3 <div id=result></div>
   4 <script>
   5 function log(message)
   6 {
   7     document.getElementById("result").innerHTML += message + "<br>";
   8 }
   9
  10 var testCases = [
  11     "testArgumentException",
  12     "testRecursiveWorkerCreation",
  13     "testNoArgument",
  14     "testEmptyScriptUrl",
  15     "testInvalidScriptUrl",
  16     "testNotExistentScriptUrl",
  17     "testSuccessWorkerCreation",
  18 ];
  19 var testIndex = 0;
  20
  21 function runNextTest()
  22 {
  23     if (testIndex < testCases.length) {
  24         testIndex++;
  25         window[testCases[testIndex - 1]]();
  26     } else {
  27         log("DONE");
  28         if (window.testRunner)
  29             testRunner.notifyDone();
  30     }
  31 }
  32
  33 function testArgumentException()
  34 {
  35     try {
  36         new Worker({toString:function(){throw "exception"}})
  37         log("FAIL: toString exception not propagated.");
  38     } catch (ex) {
  39         if (ex == "exception")
  40             log("PASS: toString exception propagated correctly.");
  41         else
  42             log("FAIL: unexpected exception (" + ex + ") received instead of one propagated from toString.");
  43     }
  44     runNextTest();
  45 }
  46
  47 function testRecursiveWorkerCreation()
  48 {
  49     try {
  50         var foo = {toString:function(){new Worker(foo)}}
  51         new Worker(foo);
  52         log("FAIL: no exception when trying to create workers recursively");
  53     } catch (ex) {
  54         log("PASS: trying to create workers recursively resulted in an exception (" + ex + ")");
  55     }
  56     runNextTest();
  57 }
  58
  59 function testNoArgument()
  60 {
  61     try {
  62         new Worker();
  63         log("FAIL: invoking Worker constructor without arguments did not result in an exception");
  64     } catch (ex) {
  65         log("PASS: invoking Worker constructor without arguments resulted in an exception (" + ex + ")");
  66     }
  67     runNextTest();
  68 }
  69
  70 function testEmptyScriptUrl()
  71 {
  72     try {
  73         var worker = new Worker("");
  74         worker.onerror = function(e) {
  75             log("PASS: onerror invoked for an empty script URL, resolving to this HTML document's URL.");
  76             e.preventDefault();
  77             runNextTest();
  78         }
  79     } catch (ex) {
  80         log("FAIL: invoking Worker constructor with empty script URL resulted in a exception (" + ex + ")");
  81         runNextTest();
  82     }
  83 }
  84
  85 function testInvalidScriptUrl()
  86 {
  87     try {
  88         var worker = new Worker("http://invalid:123$");
  89         worker.onerror = function() {
  90             log("FAIL: onerror invoked for an invalid script URL.");
  91             runNextTest();
  92         }
  93     } catch (ex) {
  94         log("PASS: invoking Worker constructor with invalid script URL resulted in an exception (" + ex + ")");
  95         runNextTest();
  96     }
  97 }
  98
  99 function testNotExistentScriptUrl()
 100 {
 101     try {
 102         var worker = new Worker("does-not-exist.js");
 103         worker.onerror = function() {
 104             log("PASS: onerror invoked for a script that could not be loaded.");
 105             runNextTest();
 106         }
 107     } catch (ex) {
 108         log("FAIL: unexpected exception " + ex);
 109         runNextTest();
 110     }
 111 }
 112
 113 function testSuccessWorkerCreation()
 114 {
 115     try {
 116         var worker = new Worker("resources/worker-common.js");
 117         // Make sure attributes from both Worker and AbstractWorker are visible.
 118         if (!worker.postMessage)
 119             log("FAIL: worker.postMessage did not exist.");
 120         else if (!worker.addEventListener)
 121             log("FAIL: worker.addEventListener did not exist.");
 122         else
 123             log("PASS: Successfully created worker.");
 124     } catch (ex) {
 125         log("FAIL: unexpected exception (" + ex + ") thrown when creating worker");
 126     }
 127     runNextTest();
 128 }
 129
 130 if (window.testRunner) {
 131     testRunner.dumpAsText();
 132     testRunner.waitUntilDone();
 133 }
 134
 135 runNextTest();
 136
 137 </script>
 138 </body>