offlineaudiocontext-detached-execution-context.html

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This WPT test may be referenced by the following Test IDs:
- /webaudio/the-audio-api/the-offlineaudiocontext-interface/offlineaudiocontext-detached-execution-context.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

  <head>

    <title>

      Testing behavior OfflineAudioContext after execution context is detached

    </title>

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

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

    <script src="/webaudio/resources/audit.js"></script>

  </head>

  <body>

    <script id="layout-test-code">

      const audit = Audit.createTaskRunner();

      audit.define('decoding-on-detached-iframe', (task, should) => {

        const iframe =

            document.createElementNS("http://www.w3.org/1999/xhtml", "iframe");

        document.body.appendChild(iframe);

        // Use the lowest value possible for the faster test.

        let context =

            new iframe.contentWindow.OfflineAudioContext(1, 1, 8000);

        document.body.removeChild(iframe);

        return should(context.decodeAudioData(new ArrayBuffer(1)),

               'decodeAudioData() upon a detached iframe')

            .beRejectedWith('InvalidStateError');

});

      audit.run();

    </script>

  </body>

</html>