wgpu/tests/gpu-tests/resource_descriptor_accessor.rs

use wgpu_test::{gpu_test, GpuTestConfiguration};

#[gpu_test]
static BUFFER_SIZE_AND_USAGE: GpuTestConfiguration = GpuTestConfiguration::new().run_sync(|ctx| {
    let buffer = ctx.device.create_buffer(&wgpu::BufferDescriptor {
        label: None,
        size: 1234,
        usage: wgpu::BufferUsages::COPY_SRC | wgpu::BufferUsages::COPY_DST,
        mapped_at_creation: false,
    });

    assert_eq!(buffer.size(), 1234);
    assert_eq!(
        buffer.usage(),
        wgpu::BufferUsages::COPY_SRC | wgpu::BufferUsages::COPY_DST
    );
});