third_party/WebKit/LayoutTests/http/tests/xmlhttprequest/response-json-and-readystate.html

   1 <!DOCTYPE html>
   2 <html>
   3 <body>
   4 <script src="../resources/testharness.js"></script>
   5 <script src="../resources/testharnessreport.js"></script>
   6 <script type="text/javascript">
   7 var test = async_test("Test response of XMLHttpRequest with responseType set to 'json' for various readyState.");
   8
   9 test.step(function()
  10 {
  11     var xhr = new XMLHttpRequest;
  12
  13     xhr.responseType = "json";
  14     assert_equals(xhr.responseType, "json", "xhr.responseType");
  15
  16     assert_equals(xhr.readyState, xhr.UNSENT, "xhr.readyState");
  17     assert_equals(xhr.response, null, "xhr.response");
  18
  19     var seenStates = [];
  20
  21     xhr.onreadystatechange = test.step_func(function() {
  22         seenStates.push(xhr.readyState);
  23
  24         switch (xhr.readyState) {
  25         case xhr.UNSENT:
  26             assert_unreached('Unexpected readyState: UNSENT');
  27             return;
  28
  29         case xhr.OPENED:
  30             assert_equals(xhr.response, null, "xhr.response");
  31             return;
  32
  33         case xhr.HEADERS_RECEIVED:
  34             assert_equals(xhr.response, null, "xhr.response");
  35             return;
  36
  37         case xhr.LOADING:
  38             assert_equals(xhr.response, null, "xhr.response");
  39             return;
  40
  41         case xhr.DONE:
  42             assert_equals(xhr.status, 200, "xhr.status");
  43             assert_equals(JSON.stringify(xhr.response),
  44                           '["a","b",2,{"3":3}]',
  45                           "Stringify result of xhr.response");
  46
  47             // Check that we saw all states.
  48             assert_array_equals(seenStates,
  49                                 [xhr.OPENED, xhr.HEADERS_RECEIVED, xhr.LOADING, xhr.DONE]);
  50
  51             test.done();
  52             return;
  53
  54         default:
  55             assert_unreached('Unexpected readyState: ' + xhr.readyState)
  56             return;
  57         }
  58     });
  59
  60     xhr.open('GET', 'resources/test.json', true);
  61     xhr.send();
  62 });
  63 </script>
  64 </body>
  65 </html>