<!-- webkit-test-runner [ enableMetalDebugDevice=true ] -->
<script src="../../../resources/js-test-pre.js"></script>
<script>
async function run() {
    let adapter = await navigator.gpu.requestAdapter();
    let device = await adapter.requestDevice();
    let buffer = device.createBuffer({ size: 147045, usage: GPUBufferUsage.COPY_DST | GPUBufferUsage.MAP_READ });
    buffer.destroy();
    try {
        await buffer.mapAsync(GPUMapMode.READ, 0, 144756);
    } catch {
    }
    let commandEncoder = device.createCommandEncoder();
    let buffer2 = device.createBuffer({ size: 391719, usage: GPUBufferUsage.COPY_SRC | GPUBufferUsage.MAP_WRITE });
    buffer.unmap();
    commandEncoder.copyBufferToBuffer(buffer2, 278668, buffer, 14060, 64684);
    await device.queue.onSubmittedWorkDone();
    debug('Pass')
    globalThis.testRunner?.notifyDone();
}
globalThis.testRunner?.dumpAsText();
globalThis.testRunner?.waitUntilDone();

run();
</script>