destroyed-context.html

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This WPT test may be referenced by the following Test IDs:
- /fetch/api/abort/destroyed-context.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script>

// This is a regression test for crbug.com/860063.

window.controller = new AbortController();

async_test(t => {

  onmessage = t.step_func(event => {

    assert_equals(event.data, 'started');

    const iframe = document.querySelector('iframe');

    document.body.removeChild(iframe);

    controller.abort();

    t.done();

});

}, 'aborting a fetch in a destroyed context should not crash');

</script>

<iframe srcdoc="

                <!DOCTYPE html>

                <meta charset=utf-8>

                <script>

                fetch('../resources/infinite-slow-response.py', { signal: parent.controller.signal }).then(() => {

                  parent.postMessage('started', '*');

});

                </script>

">

</iframe>