response-blob-abort-in-loading-state.html

<html>
<body>
  <script src="/js-test-resources/js-test.js"></script>
  <script type="text/javascript">
description("Test that if responseType is set to arraybuffer, " +
            "XMLHttpRequest.response is null in DONE state, after abort()-ed " +
            "in LOADING state.");

window.jsTestIsAsync = true;

var xhr = new XMLHttpRequest();
xhr.responseType = 'blob';
xhr.open('GET', '../resources/test.ogv', true);
xhr.onreadystatechange = function() {
    if (this.readyState == this.LOADING) {
        shouldBe("xhr.status", "200");
        // readyState is not DONE.
        shouldBe("xhr.response", "null");
        xhr.abort();
    } else if (this.readyState == this.DONE) {
        // readyState is DONE but error flag is set.
        shouldBe("xhr.response", "null");
        finishJSTest();
    }
};
xhr.send(null);
  </script>
</body>

chromium/third_party/blink/web_tests/http/tests/xmlhttprequest/response-blob-abort-in-loading-state.html