test_context_configure.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."

);

      async function testBody() {

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

        const device = await adapter.requestDevice({});

        const canvas = document.createElement("canvas");

        const context = canvas.getContext("webgpu");

        const format = navigator.gpu.getPreferredCanvasFormat(adapter);

        // Attempt to configure with a too-large canvas, which should

        // fail due to device texture limits.

        canvas.width = 1970696937;

        let expectedError;

        try {

          context.configure({

            device,

            format,

});

        } catch (error) {

          expectedError = error;

        // Bug 1864904: This should become an "is".

        todo_is(

          typeof expectedError,

          "TypeError",

          "Failed configure should generate a TypeError."

);

      SimpleTest.waitForExplicitFinish();

      testBody()

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

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

    </script>

  </body>

</html>