Quelle open-after-abort.htm Sprache: HTML

products/Sources/formale Sprachen/C/Firefox/testing/web-platform/tests/xhr/open-after-abort.htm

<!doctype html>
<html>
  <head>
    <title>XMLHttpRequest: open() after abort()</title>
    <script src="/resources/testharness.js"></script>
    <script src="/resources/testharnessreport.js"></script>
    <link rel="help" href="https://xhr.spec.whatwg.org/#the-open()-method" data-tested-assertations="following::ol/li[15] following::ol/li[15]/ol/li[1] following::ol/li[15]/ol/li[2]" />
  </head>
  <body>
    <div id="log"></div>
    <script>
      test(function(t) {
        var client = new XMLHttpRequest(),
            result = [],
            expected = [
              'readystatechange', 0, 1,  // open()
              'readystatechange', 2, 4,  // abort()
              'abort',            2, 4,  // abort()
              'loadend',          2, 4,  // abort()
              'readystatechange', 3, 1,  // open()
            ]

        var state = 0

        client.onreadystatechange = t.step_func(function() {
          result.push('readystatechange', state, client.readyState)
        })
        client.onabort = t.step_func(function() {
          // abort event must be fired synchronously from abort().
          assert_equals(state, 2)

          // readystatechange should be fired before abort.
          assert_array_equals(result, [
            'readystatechange', 0, 1,  // open()
            'readystatechange', 2, 4,  // abort()
          ])

          // readyState should be set to unsent (0) at the very end of abort(),
          // after this (and onloadend) is called.
          assert_equals(client.readyState, 4)

          result.push('abort', state, client.readyState)
        })
        client.onloadend = t.step_func(function() {
          // abort event must be fired synchronously from abort().
          assert_equals(state, 2)

          // readystatechange should be fired before abort.
          assert_array_equals(result, [
            'readystatechange', 0, 1,  // open()
            'readystatechange', 2, 4,  // abort()
            'abort',            2, 4,  // abort()
          ])

          // readyState should be set to unsent (0) at the very end of abort(),
          // after this is called.
          assert_equals(client.readyState, 4)

          result.push('loadend', state, client.readyState)
        })

        client.open("GET", "resources/well-formed.xml")
        assert_equals(client.readyState, 1)

        state = 1
        client.send(null)
        state = 2
        client.abort()
        assert_equals(client.readyState, 0)
        state = 3
        client.open("GET", "resources/well-formed.xml")
        assert_equals(client.readyState, 1)
        assert_array_equals(result, expected)
      })
    </script>
  </body>
</html>

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