test_buffer_mapping_invalid_device.html

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<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 bindGroupLayout = device.createBindGroupLayout({

          entries: [

              binding: 256,

              storageTexture: { format: "bc1-rgba-unorm-srgb" },

              visibility: GPUShaderStage.FRAGMENT,

},

],

});

        const buffer1 = device.createBuffer({

          size: 32,

          usage: GPUBufferUsage.MAP_READ,

});

        // Call device.destroy, which makes the device invalid. Further object creation

        // on device will create objects that are also invalid.

        device.destroy();

        // Create an invalid buffer2.

        const buffer2 = device.createBuffer({

          size: 32,

          usage: GPUBufferUsage.MAP_WRITE,

});

        // Create an invalid bind group, referencing invalid buffer2.

        const bindGroup = device.createBindGroup({

          layout: bindGroupLayout,

          entries: [

            { binding: 1, resource: { buffer: buffer1 } },

            { binding: 2, resource: { buffer: buffer2 } },

],

});

        ok(bindGroup, "Created a bind group referencing an invalid buffer.");

      SimpleTest.waitForExplicitFinish();

      testBody()

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

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

    </script>

  </body>

</html>