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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /xhr/xmlhttprequest-eventtarget.htm - WPT Dashboard Interop Dashboard
<!doctype html>
<html>
<head>
<title>XMLHttpRequest: implements EventTarget</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="help" href="https://xhr.spec.whatwg.org/#xmlhttprequesteventtarget" data-tested-assertations=".." />
<!-- Obviously, most of the stuff actually being tested here is covered in the DOM events spec, not in the XHR spec -->
</head>
<body>
<div id="log"></div>
<script>
var test = async_test(),
x = null,
expected = ["a1", "b1", "c1", "a2", "b2", "c2", "a3", "c3", "a4", "c4"],
result = []
function callback(e) {
result.push("b" + x.readyState)
test.step(function() {
if(x.readyState == 3)
assert_unreached()
})
}
test.step(function() {
x = new XMLHttpRequest()
x.onreadystatechange = function() {
test.step(function() {
result.push("a" + x.readyState)
})
}
x.addEventListener("readystatechange", callback, false)
x.addEventListener("readystatechange", function() {
test.step(function() {
result.push("c" + x.readyState)
if(x.readyState == 2)
x.removeEventListener("readystatechange", callback, false)
if(x.readyState == 4) {
assert_array_equals(result, expected)
test.done()
}
})
}, false)
x.open("GET", "folder.txt")
x.send(null)
})
</script>
</body>
</html>