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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>