third_party/WebKit/LayoutTests/http/tests/xmlhttprequest/zero-length-response.html

   1 <html>
   2 <head>
   3 <title>Test XMLHttpRequest zero-length response handling (async)</title>
   4 <meta http-equiv="content-type" content="text/html;charset=utf-8">
   5 <body>
   6 <p>Test for <a href="https://bugs.webkit.org/show_bug.cgi?id=5924">bug 5924</a>
   7 - zero-length responses to XMLHTTPRequest mishandled.</p>
   8 <script>
   9
  10     if (window.testRunner) {
  11         testRunner.dumpAsText();
  12         testRunner.waitUntilDone();
  13     }
  14
  15     var console_messages = document.createElement("ul");
  16     document.body.appendChild(console_messages);
  17
  18     function log(message)
  19     {
  20         var item = document.createElement("li");
  21         item.appendChild(document.createTextNode(message));
  22         console_messages.appendChild(item);
  23     }
  24
  25     function get(url, async)
  26     {
  27         if (window.XMLHttpRequest) {
  28             req = new XMLHttpRequest();
  29         } else {
  30             try {
  31                 req = new ActiveXObject("Msxml2.XMLHTTP");
  32             } catch (ex) {
  33                 req = new ActiveXObject("Microsoft.XMLHTTP");
  34             }
  35         }
  36
  37         log("after creation: " + stateName(req.readyState));
  38
  39         dumpResponse();
  40
  41         if (async)
  42             req.onreadystatechange = processStateChange;
  43
  44         log("after setting onreadystatechange: " + stateName(req.readyState));
  45
  46         req.open('GET', url, async);
  47         log("after open(): " + stateName(req.readyState));
  48         dumpResponse();
  49
  50         try {
  51             req.overrideMimeType('text/xml');
  52             log("after overrideMimeType(): " + stateName(req.readyState));
  53         } catch (ex) {
  54             log("overrideMimeType(): " + ex);
  55         }
  56
  57         req.send(null);
  58         log("after send(): " + stateName(req.readyState));
  59
  60         if (!async && req.status != 200)
  61             throw ("HTTP request failed, status: " + req.status);
  62
  63         return req;
  64     }
  65
  66     function stateName(val) {
  67       if (req.readyState == 0)
  68           return "Uninitialized";
  69       else if (req.readyState == 1)
  70           return "Open";
  71       else if (req.readyState == 2)
  72           return "Sent";
  73       else if (req.readyState == 3)
  74           return "Receiving";
  75       else if (req.readyState == 4)
  76           return "Loaded";
  77       else
  78         return "???";
  79     }
  80
  81     function prettyPrintText(text) {
  82         if (text == null)
  83             return text;
  84         return '"' + text + '"';
  85     }
  86
  87     function dumpResponse() {
  88
  89        try { log ("  Status: " + req.status); } catch (ex) { log("  Exception getting status: " + ex.message); }
  90        try { log ("  StatusText: " + prettyPrintText(req.statusText)); } catch (ex) { log("  Exception getting StatusText: " + ex.message); }
  91        try { log ("  ResponseText: " + prettyPrintText(req.responseText)); } catch (ex) { log("  Exception getting ResponseText: " + ex.message); }
  92        try { log ("  ResponseXML: " + req.responseXML); } catch (ex) { log("  Exception getting ResponseXML: " + ex.message); }
  93        try { log ("  ResponseXML serialized: " + (req.responseXML ? prettyPrintText(window.XMLSerializer ? (new XMLSerializer()).serializeToString(req.responseXML) : req.responseXML.xml) : "n/a")); } catch (ex) { log("  Exception serializing ResponseXML: " + ex.message); }
  94     }
  95
  96     function processStateChange() {
  97        log("onreadystatechange: " + stateName(req.readyState));
  98        dumpResponse();
  99        if (req.readyState == 4) {
 100            if (window.testRunner)
 101                testRunner.notifyDone();
 102        }
 103     }
 104
 105     // start async steps
 106     get('resources/zero-length.xml', true);
 107
 108 </script>
 109 </body>
 110 </html>