third_party/WebKit/LayoutTests/http/tests/xmlhttprequest/abort-on-changestate-headers-received.html

   1 <!DOCTYPE html>
   2 <script src="/js-test-resources/js-test.js"></script>
   3 <script>
   4 jsTestIsAsync = true;
   5
   6 var numberOfDocumentsBefore, numberOfDocumentsAfter;
   7 function checkDocumentLeakAndFinishTest() {
   8     numberOfDocumentsAfter = internals.numberOfLiveDocuments();
   9     shouldBe("numberOfDocumentsAfter", "numberOfDocumentsBefore");
  10     finishJSTest();
  11 }
  12
  13 function runTest() {
  14     numberOfDocumentsBefore = internals.numberOfLiveDocuments();
  15
  16     var xhr = new XMLHttpRequest();
  17     xhr.responseType = 'document';
  18     xhr.overrideMimeType("text/html");
  19     xhr.onreadystatechange = function () {
  20         if (this.readyState == XMLHttpRequest.HEADERS_RECEIVED) {
  21             testPassed("this reached HEADERS_RECEIVED state.");
  22             this.abort();
  23             asyncGC(checkDocumentLeakAndFinishTest);
  24         } else if (this.readyState == XMLHttpRequest.LOADING) {
  25             testFailed("this reached LOADING state, but it should not reach here after abort().");
  26         } else if (this.readyState == XMLHttpRequest.DONE) {
  27             testPassed("this reached DONE state.");
  28         }
  29     }
  30
  31     xhr.open("GET", "resources/get.txt", true);
  32     xhr.send(null);
  33     xhr = null;
  34 }
  35
  36 // run GC before test to avoid document count being flaky.
  37 asyncGC(runTest);
  38 </script>