different-contexts.html

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This WPT test may be referenced by the following Test IDs:
- /webaudio/the-audio-api/the-audionode-interface/different-contexts.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

  <head>

    <title>

      Connections and disconnections with different contexts

    </title>

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

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

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

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

  </head>

  <body>

    <script>

      let audit = Audit.createTaskRunner();

      // Different contexts to be used for testing.

      let c1;

      let c2;

      audit.define(

          {label: 'setup', description: 'Contexts for testing'},

          (task, should) => {

            should(() => {c1 = new AudioContext()}, 'c1 = new AudioContext()')

                .notThrow();

            should(() => {c2 = new AudioContext()}, 'c2 = new AudioContext()')

                .notThrow();

            task.done();

});

      audit.define(

          {label: 'Test 1', description: 'Connect nodes between contexts'},

          (task, should) => {

            let g1;

            let g2;

            should(

                () => {g1 = new GainNode(c1)}, 'Test 1: g1 = new GainNode(c1)')

                .notThrow();

            should(

                () => {g2 = new GainNode(c2)}, 'Test 1: g2 = new GainNode(c2)')

                .notThrow();

            should(() => {g2.connect(g1)}, 'Test 1: g2.connect(g1)')

                .throw(DOMException, 'InvalidAccessError');

            task.done();

});

      audit.define(

          {label: 'Test 2', description: 'Connect AudioParam between contexts'},

          (task, should) => {

            let g1;

            let g2;

            should(

                () => {g1 = new GainNode(c1)}, 'Test 2: g1 = new GainNode(c1)')

                .notThrow();

            should(

                () => {g2 = new GainNode(c2)}, 'Test 2: g2 = new GainNode(c2)')

                .notThrow();

            should(() => {g2.connect(g1.gain)}, 'Test 2: g2.connect(g1.gain)')

                .throw(DOMException, 'InvalidAccessError');

            task.done();

});

      audit.define(

          {label: 'Test 3', description: 'Disconnect nodes between contexts'},

          (task, should) => {

            let g1;

            let g2;

            should(

                () => {g1 = new GainNode(c1)}, 'Test 3: g1 = new GainNode(c1)')

                .notThrow();

            should(

                () => {g2 = new GainNode(c2)}, 'Test 3: g2 = new GainNode(c2)')

                .notThrow();

            should(() => {g2.disconnect(g1)}, 'Test 3: g2.disconnect(g1)')

                .throw(DOMException, 'InvalidAccessError');

            task.done();

});

      audit.define(

            label: 'Test 4',

            description: 'Disconnect AudioParam between contexts'

},

          (task, should) => {

            let g1;

            let g2;

            should(

                () => {g1 = new GainNode(c1)}, 'Test 4: g1 = new GainNode(c1)')

                .notThrow();

            should(

                () => {g2 = new GainNode(c2)}, 'Test 4: g2 = new GainNode(c2)')

                .notThrow();

            should(

                () => {g2.disconnect(g1.gain)}, 'Test 4: g2.connect(g1.gain)')

                .throw(DOMException, 'InvalidAccessError');

            task.done();

});

      audit.run();

    </script>

  </body>

</html>