test_double_encoder_finish.html

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<!DOCTYPE html>

<html>

  <head>

    <meta charset="utf-8" />

    <script src="/tests/SimpleTest/SimpleTest.js"></script>

    <link rel="stylesheet" href="/tests/SimpleTest/test.css" />

  </head>

  <body>

    <script>

ok(

        SpecialPowers.getBoolPref("dom.webgpu.enabled"),

        "Pref should be enabled."

);

      const func = async function () {

        const adapter = await navigator.gpu.requestAdapter();

        const device = await adapter.requestDevice();

        const encoder = device.createCommandEncoder();

        const command_buffer = encoder.finish();

        ok(command_buffer !== undefined, "command_buffer !== undefined");

        const invalid_command_buffer = encoder.finish();

ok(

          invalid_command_buffer !== undefined,

          "invalid_command_buffer !== undefined"

);

};

      SimpleTest.waitForExplicitFinish();

      func()

        .catch(e => ok(false, "Unhandled exception " + e))

        .finally(() => SimpleTest.finish());

    </script>

  </body>

</html>