File: noreferrer-null-opener.html

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<!doctype html>
<title>rel=noreferrer nullifies window.opener</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
  async_test(function(t) {
    localStorage.clear()

    var hyperlink = document.body.appendChild(document.createElement("a"))
    hyperlink.rel = "noreferrer"
    hyperlink.target = "_blank"
    hyperlink.href = "resources/window-opener.html"
    hyperlink.click()
    document.body.removeChild(hyperlink)

    addEventListener("storage", function(e) {
      t.step(function() {
        assert_equals(e.newValue, "null")
        localStorage.clear()
        t.done()
      })
    })
  })
</script>