<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=475156
-->
<head>
  <title>Test for Bug 475156</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body onload="drive(tests.shift());">
<script class="testbody" type="text/javascript">

SimpleTest.waitForExplicitFinish();

var path = "http://mochi.test:8888/tests/dom/base/test/";

function fromCache(xhr)
{
  var ch = SpecialPowers.wrap(xhr).channel.QueryInterface(SpecialPowers.Ci.nsICacheInfoChannel);
  return ch.isFromCache();  
}

var tests = [
  // First just init the file with an ETag
  {
    init(xhr) 
    {
      xhr.open("GET", path + "bug475156.sjs?etag=a1");
    },
    
    loading(xhr)
    {
    },

    done(xhr)
    {
    },
  },

  // Try to load the file the first time regularly, we have to get 200 OK
  {    
    init(xhr)
    {
      xhr.open("GET", path + "bug475156.sjs");
    },

    loading(xhr)
    {
      is(fromCache(xhr), false, "Not coming from the cache");
    },

    done(xhr)
    {
      is(xhr.status, 200, "We get a fresh version of the file");
      is(xhr.getResponseHeader("Etag"), "a1", "We got correct ETag");
      is(xhr.responseText, "a1", "We got the expected file body");
    },
  },

  // Try to load the file the second time regularly, we have to get 304 Not Modified
  {    
    init(xhr)
    {
      xhr.open("GET", path + "bug475156.sjs");
      xhr.setRequestHeader("If-Match", "a1");
    },

    loading(xhr)
    {
      is(fromCache(xhr), true, "Coming from the cache");
    },

    done(xhr)
    {
      is(xhr.status, 200, "We got cached version");
      is(xhr.getResponseHeader("Etag"), "a1", "We got correct ETag");
      is(xhr.responseText, "a1", "We got the expected file body");
    },
  },

  // Try to load the file the third time regularly, we have to get 304 Not Modified
  {    
    init(xhr)
    {
      xhr.open("GET", path + "bug475156.sjs");
      xhr.setRequestHeader("If-Match", "a1");
    },

    loading(xhr)
    {
      is(fromCache(xhr), true, "Coming from the cache");
    },

    done(xhr)
    {
      is(xhr.status, 200, "We got cached version");
      is(xhr.getResponseHeader("Etag"), "a1", "We got correct ETag");
      is(xhr.responseText, "a1", "We got the expected file body");
    },
  },

  // Now modify the ETag
  {
    init(xhr) 
    {
      xhr.open("GET", path + "bug475156.sjs?etag=a2");
    },

    loading(xhr)
    {
    },

    done(xhr)
    {
    },
  },

  // Try to load the file, we have to get 200 OK with the new content
  {    
    init(xhr)
    {
      xhr.open("GET", path + "bug475156.sjs");
      xhr.setRequestHeader("If-Match", "a2");
    },

    loading(xhr)
    {
      is(fromCache(xhr), false, "Not coming from the cache");
    },

    done(xhr)
    {
      is(xhr.status, 200, "We get a fresh version of the file");
      is(xhr.getResponseHeader("Etag"), "a2", "We got correct ETag");
      is(xhr.responseText, "a2", "We got the expected file body");
    },
  },

  // Try to load the file the second time regularly, we have to get 304 Not Modified
  {    
    init(xhr)
    {
      xhr.open("GET", path + "bug475156.sjs");
      xhr.setRequestHeader("If-Match", "a2");
    },

    loading(xhr)
    {
      is(fromCache(xhr), true, "Coming from the cache");
    },

    done(xhr)
    {
      is(xhr.status, 200, "We got cached version");
      is(xhr.getResponseHeader("Etag"), "a2", "We got correct ETag");
      is(xhr.responseText, "a2", "We got the expected file body");
    },
  },

  // Try to load the file the third time regularly, we have to get 304 Not Modified
  {    
    init(xhr)
    {
      xhr.open("GET", path + "bug475156.sjs");
      xhr.setRequestHeader("If-Match", "a2");
    },

    loading(xhr)
    {
      is(fromCache(xhr), true, "Coming from the cache");
    },

    done(xhr)
    {
      is(xhr.status, 200, "We got cached version");
      is(xhr.getResponseHeader("Etag"), "a2", "We got correct ETag");
      is(xhr.responseText, "a2", "We got the expected file body");
    },
  },

  // Now modify the ETag ones more
  {
    init(xhr) 
    {
      xhr.open("GET", path + "bug475156.sjs?etag=a3");
    },

    loading(xhr)
    {
    },

    done(xhr)
    {
    },
  },

  // Try to load the file, we have to get 200 OK with the new content
  {    
    init(xhr)
    {
      xhr.open("GET", path + "bug475156.sjs");
      xhr.setRequestHeader("If-Match", "a3");
    },

    loading(xhr)
    {
      is(fromCache(xhr), false, "Not coming from the cache");
    },

    done(xhr)
    {
      is(xhr.status, 200, "We get a fresh version of the file");
      is(xhr.getResponseHeader("Etag"), "a3", "We got correct ETag");
      is(xhr.responseText, "a3", "We got the expected file body");
    },
  },

  // Try to load the file the second time regularly, we have to get 304 Not Modified
  {    
    init(xhr)
    {
      xhr.open("GET", path + "bug475156.sjs");
      xhr.setRequestHeader("If-Match", "a3");
    },

    loading(xhr)
    {
      is(fromCache(xhr), true, "Coming from the cache");
    },

    done(xhr)
    {
      is(xhr.status, 200, "We got cached version");
      is(xhr.getResponseHeader("Etag"), "a3", "We got correct ETag");
      is(xhr.responseText, "a3", "We got the expected file body");
    },
  },

  // Try to load the file the third time regularly, we have to get 304 Not Modified
  {    
    init(xhr)
    {
      xhr.open("GET", path + "bug475156.sjs");
      xhr.setRequestHeader("If-Match", "a3");
    },

    loading(xhr)
    {
      is(fromCache(xhr), true, "Coming from the cache");
    },

    done(xhr)
    {
      is(xhr.status, 200, "We got cached version");
      is(xhr.getResponseHeader("Etag"), "a3", "We got correct ETag");
      is(xhr.responseText, "a3", "We got the expected file body");
    },
  },

  // Load one last time to reset the state variable in the .sjs file
  {
    init (xhr) {
      xhr.open("GET", path + "bug475156.sjs");
      xhr.setRequestHeader("If-Match", "a1");
    },

    loading (xhr) {
    },

    done (xhr) {
    },
  },
]


function drive(test)
{
  SpecialPowers.pushPrefEnv({set: [["network.http.rcwn.enabled", false]]}, _=>{
    var xhr = new XMLHttpRequest();
    test.init(xhr);
    xhr.onreadystatechange = function() {
      if (this.readyState == 3) {
        test.loading(this);
      }
      if (this.readyState == 4) {
        test.done(this);
        if (!tests.length)
          SimpleTest.finish();
        else
          drive(tests.shift());
      }
    }
    xhr.send();
  });
}

</script>
</body>
</html>

